"History of the literature and bibliography," pp. 322-344.

The Icerya or fluted scale, otherwise known as the cottony cushion-scale. 8°. pp. 40. Washington, 1887. (United States. Department of agriculture. Division of entomology. Bulletin no. 15.)

Reprint of some articles by the entomologist and of a report from the Agricultural experiment station, University of California."

The imported elm leaf-beetle; its habits and natural history, and means of counteracting its injuries. 8°. pp. 20. il. plate. Washington, 1885. (United States. Department of agriculture. Division of entomology. Bulletin no. 6.)

8°. pp. 21. il. plate. Washington, 1891. (United States. Department of agriculture. Division of entomology. Bulletin no. 6. 2d ed.)

Injurious insects of Maryland. 8°. pp. [28]. il. College Park, 1893. (Maryland. Agricultural experiment station. Bulletin no. 23.)

The mildews of the grape-vine. An effectual remedy for Peronospora. Broadside. il. [Rochester, 1886]. "From the Rural New-Yorker of Jan. 30 and Feb. 6, 1886."

The mulberry silk-worm; being a manual of instructions in silk-culture. 8°. pp. vii, 65. il. col. pl. 2. Washington, 1886. (United States. Department of agriculture. Division of entomology. Bulletin no. 9.)

Notes on joint worms. Broadside. il. [Rochester,

1885].
"From the Rural New-Yorker of June 20, 1885, v. 44, p. 418."

Our shade trees and their insect defoliators; being a consideration of the four most injurious species which affect the trees of the capital; with means of destroying them. 8°. pp. 69. il. Washington, 1887. (United States. Department of agriculture. Division of entomology. Bulletin no. 10.)

8°. pp. 75. il. Washington, 1888. (United States. Department of agriculture. Division of entomology. Bulletin no. 10. 2d., revised ed.)

On the parasites of the Hessian fly. 8°. pp. [10]. plate. [Washington, 1886]. Proceedings of the United States national museum, v. 8, 1885, pp. 413-422.

The periodical cicada; an account of Cicada septendecim and its tredecim race, with a chronology of all broods known. 8°. pp. 46. il. Washington, 1885. (United States. Department of agriculture. Division of entomology. Bulletin no. 8.)

Potato pests; being an illustrated account of the Colorado potato-beetle and the other insect foes of the potato in North America. With suggestions for their repression and methods for their destruction. 12°. pp. 108. il. map. New York, [1876].

The San José scale. 8°. pp. [31]. il. College Park, 1895. (Maryland. Agricultural experiment station. Bulletin no. 32.)

The silkworm; being a brief manual of instructions for the production of silk. 8°. pp. 31. il. Washington, 1879. (United States. Department of agriculture. Special report no. 11.)

The song-notes of the periodical cicada. 16°. [New York, 1885].

pp. 4.

Reprinted from Science, v. 6, 1885, p. 264. Riley, H. T., translator. See Plinius Secundus, Caius. The natural history of Pliny.

Ringelmann, Max. Traité de mécanique epérimentale; leçons professées à l'École nationale d'agriculture de Grignon. Notes prises au cours et rédigées par Jacques Danguy. 12°. pp. [5], 368. Paris, 1898. (Bibliothèque agricole.)

ganisação da fazenda de Santa Rosa. Estudos experimentaes. 1893-1894. 8°. pp. 32. Rio de Janeiro, 1895. Revista agricola; publicada trimensalmente. v. [1-22. Sept. 1869-Dec. 1891. 4°. il. Rio de Janeiro, 1869-92.

v. 1-20, title reads: Revista agricola do Imperial instituto fluminense de agricultura. Wanting v. 15, no. 4, Dec. 1884.

Jardim botanico. Archivos. v. 1, fasc. 1. 8°. pp. 132. pl. 44. diagrams. Rio de Janeiro, 1915.

Museu nacional. Archivos. v. 13-19. f°. il. pl. Rio de Janeiro, 1905-16. →→ Riocreux, Alfred, illustrator. See Decaisne, Joseph, and Naudin, Charles. Manuel de l'amateur des jardins. illustrator. See Le Maout, Emmanuel, and Decaisne, A general system of botany, descriptive and illustrator. See Le Maout, Emmanuel, and Decaisne, Joseph. Traité général de botanique, descriptive et analytique.

Joseph. analytical.

illustrator. See Thuret, G. A., and Bornet, Édouard. Etudes phycologiques.

illustrator. See Weddell, H. A. Histoire naturelle des quinquinas.

Riondet, A. L'agriculture de la France méridionale; ce qu'elle a été, ce qu'elle est, ce qu'elle pourrait être. 12°. pp. ix, 384. Paris, n. d.

Ripley, Chauncey B. Address on the subject of improved roads. . . With an appendix containing a copy of the New Jersey road act. 8°. pp. 15. Westfield, N. J., 1892.

"From the 18th Annual report of the New Jersey state board of agriculture," 1891, pp. 195-202. Risso, J. Antoine, and Poiteau, Antoine. Histoire et culture des orangers. Nouvelle éd., entièrement revue et augmentée d'un chapitre nouveau sur la culture dans le midi de l'Europe et en Algérie par A. Du Breuil. 4°. pp. 228. il. col. pl. 110. Paris, 1872.

Ritzema Bos, Jan. Agricultural zoology. With an introduction by Eleanor A. Ormerod. Translated by J. R. A. Davis. 12°. pp. xx, 256. il. London, 1894.

La mouche du narcisse (Merodon equestris F.), ses métamorphoses, ses moeurs, les dégats causés par ses larves et les moyens proposés pour la détruire. 4°. pp. 51. pl. 2. Haarlem, 1885.

"Extrait des Archites du Musée Teyler, série 2, vol. 2, 2o partie." 'Bibliographie," pp. 5-6.

Rivers, Thomas, jr. A descriptive catalogue of fruits, cultivated by T. Rivers, jun. at his nurseries, Sawbridgeworth, Herts, 1840-41. pp. 15. (In his Short treatise on root pruning of pear and other trees, 1841.)

The miniature fruit garden; or, The culture of pyramidal and bush fruit trees. From the 13th English ed. 12°. pp. x, 133. il. New York, [1866].

The orchard house; or, The cultivation of fruit trees in pots under glass. Ed. 5. 16°. pp. viii, 118. il. London, 1858.

Containing additional directions for growing trees & vines in orchard houses. By William Saunders. 8°. pp. 58. il. New York, 1860.

Ed. 16. Edited and arranged by T. F. Rivers. 12°. pp. xvi, 266. il. plate. London, 1879. On raising fruits from seed; Dessert orange culture; The culture of fruit in unheated glass structures. Three papers, reprinted from the report of the International horticultural exhibition and botanical congress, May 1866. 8°. pp. 22. London, 1867.

The rose amateur's guide; containing ample descriptions of all the fine leading varieties of roses, regularly

classed in their respective families, their history and mode of culture. Ed. 3. 12°. pp. xiv, 209. London, 1843. Ed. 10. 16°. pp. ix, 241. il. London, 1872. Ed. 11. 16°. pp. xii, 247. il. London, 1877. A short treatise on root pruning of pear and other trees, as read before the Horticultural society [of London], April 7, 1840. To which is appended a descriptive catalogue of fruits. 8°. pp. 5, 15. Shefford, 1841.

See Bréhaut, T. C. The modern peach pruner. Rivers, Thomas Francis, editor. See Rivers, Thomas, jr. The orchard house.

.

Rives, William C. Address of . president of the Agricultural society of Albemarle [Va.], Oct. 1842. 8°. pp. 16. Charlotteville, 1842.

Riviera nature notes. See [Casey, Comerford]. Rivière, Auguste, André, Édouard, and Roze, Ernest. Les fougères; choix des espèces les plus remarquables pour la décoration des serres, parcs, jardins et salons; précédé de leur histoire botanique & horticole. 2 v. 8°. pp. v. 1. x, 286. v. 2. 242, [2]. il. col. pl. 156. Paris, 1867-68. "Histoire botanique et horticole des selaginelles, par E. Roze," v. 2, 1868, pp. 213-232.

[Rivière, Charles]. Algérie. Horticulture générale, végétation, cultures spéciales, acclimatation. 8. pp. 216. pl. Alger, 1889.

Rivière, Louis. Les jardins ouvriers en France et à l'étranger. 12°. pp. 140. Paris, 1899. (La réforme sociale pratique.) [Rivinus, Augustus Quirinus]. Icones plantarum quae sunt florae irregulari hexapetalo. f°. pp. [17]. [Lipsiae, 1760?].

Ordo plantarum quae sunt flore irregulari pentapetalo. fo. pp. [4], 28, [4]. pl. 139. [Lipsiae, 1699]. Rivoire père et fils. Le Dahlia; son histoire, ses progrès, sa culture. Avec une notice sur la fécondation du Dahlia, par R. Gérard. 12°. pp. 104, [1]. i. plate. Lyon, etc., n. d. Road models. 8°. pp. 24. il. pl. 13. Washington, 1915. (United States. Department of agriculture. Bulletin no. 220.)

Robbins, Mrs. Mary Caroline. The rescue of an old place. 12°. pp. viii, 289. Boston, etc., 1892.

Robert, Eugène. Les ravageurs des plantations d'alignement; histoire naturelle, moeurs, dégats, moyens pratiques pour les détruire et pour restaurer les plantations. Ed. 4. il. Paris, 1876. (In LA BLANCHÈRE, Henri de, and ROBERT, Eugène. Les ravageurs des forêts et des arbres d'alignement, v. 2, 1876.)

Roberts, Ernest W. The gypsy moth; what Massachusetts has done and is doing to exterminate it, and what the United States should do. Speech ... in the House of representatives, May 2, 1906. 8°. pp. 14. Washington,

1906. Roberts, George, and Kinney, Edmund J. Soy beans. 8°. pp. [27]. il. Lexington, 1912. (Kentucky. Agricultural experiment station. Bulletin no. 161.)

and others. Alfalfa and sweet clover, By George Roberts, E. J. Kinney, H. B. Hendrick. 8°. pp. 34. il. Lexington, [1914]. (Kentucky. Agricultural experiment station. Bulletin no. 178.)

Roberts, Harry. The book of old-fashioned flowers and other plants which thrive in the open-air of England. 12°. pp. xiii, 115. pl. London, etc., 1904. (Handbooks of practical gardening.)

See Wythes, George, and Roberts, Harry. The book of rarer vegetables.

See Ilott, Charles. The book of asparagus. Roberts, Isaac Phillips. The farmstead. The making of the rural home and the lay-out of the farm. 12°. pp. vi, 350. il. New York, etc., 1900. (The rural science series.)

The fertility of the land; a summary sketch of the relationship of farm-practice to the maintaining and increasing of the productivity of the soil. 12°. pp. xvii, 415. il. New York, etc., 1897. (The rural science series.)

and Clinton, Louis Adelbert. Potato culture. [4 reports.] 8°. il. Ithaca, 1897-1901. (Cornell university. Agricultural experiment station. Bulletin, no. 130, 140, 156, 196.)

The 4th report is by L. A. Clinton alone.

and others. The Hessian fly; its ravages in New York in 1901. By I. P. Roberts, M. V. Slingerland, J. L. Stone. 8°. pp. [24]. il. Ithaca, 1901. (Cornell university. Agricultural experiment station. Bulletin no. 194.) Roberts, John William. Apple blotch and its control. 8°. pp. 11. il. pl. 2. Washington, 1917. (United States. Department of agriculture. Bulletin no. 534.)

See Scott, W. M., and Roberts, J. W. The Jonathan fruit-spot. Roberts, Mary. Voices from the woodlands, descriptive of forest trees, ferns, mosses, and lichens. sm. 4°. pp. viii, 368. col. pl. 20. London, 1850. Roberts, William. The lily of the valley; all about it and how to grow it. Forced indoors, and out of doors in various ways. 12°. pp. 32. il. London, 1883. Robilliard, J. Raisin making. 8°. pp. 6. [Melbourne], 1898. (Victoria. Department of agriculture. Guides to growers, no. 39.)

Robin, Charles. Des végétaux qui croissent sur l'homme et sur les animaux vivants. 8°. pp. viii, 120. pl. 3. Paris, 1847.

Robin, Claude C., abbé. See Rafinesque, C. S. Florula ludoviciana.

Robin, J. E. See Planchon, J. E., Pulliat, V., and Robin,
J. E. Les vignes américaines résistantes.
Robinson, Benjamin Lincoln. The generic concept in the
classification of the flowering plants. 4°. pp. 12. [New
York, 1906].

[

"Reprinted from Science, n. s., vol. 23," 1906, pp. 81–92.

On the "List of Pteridophyta and Spermatophyta of northeastern America," prepared by the nomenclature committee of the Botanical club. 8°. pp. [7]. [Chicago, 1895].

"From the Botanical gazette," v. 20, 1895, pp. 97-103.

A monograph of the genus Brickellia. 4°. pp. 151. il. Cambridge, Mass., 1917. (Memoirs of the Gray herbarium of Harvard university, I.)

The removal of an old landmark. 8°. pp. [4]. plate. [Boston, 1911].

Reprinted from the Harvard graduates' magazine, March, 1911, no. lxxv.'

- On the rules of botanical nomenclature adopted by the Vienna congress. 8°. pp. [27]. [Boston, etc., 1907]. Rhodora, v. 9, 1907, pp. 29-55.

Some reasons why the Rochester nomenclature cannot be regarded as a consistent or stable system. 8°. pp. [9]. [Chicago, 1898].

Reprinted from the Botanical gazette, v. 25, 1898, pp. 437-445.

and Fernald, Merritt Lyndon. Emendations of the seventh edition of Gray's Manual. — I. 8°. pp. [29]. [Boston, etc., 1909].

"Reprinted from Rhodora," v. 11, 1909, pp. 33–61.

and Schrenk, Hermann von. Notes upon the flora of Newfoundland. 8°. pp. 31. [Montreal, 1897].

Robinson, Charles Budd. Early intervale flora of eastern Nova Scotia. (In MCKAY, A. H. Phenological observations in Nova Scotia and Canada, 1901, pp. 502-506.) Robinson, Charles Mulford. The beautifying of Honolulu. 8°. pp. 39. map. [Honolulu, 1907].

The improvement of towns and cities; or, The practical basis of civic aesthetics. 12°. pp. xii, 309. New York, etc., 1902. Modern civic art; or, The city made beautiful. 8°. pp. iv, 381. New York, etc., 1903. Robinson, James Shipley. Strawberries. 8°. pp. [12]. College Park, 1891. (Maryland. Agricultural experiment station. Bulletin no. 13.)

Tomatoes. 8°. pp. [20]. College Park, 1898. (Maryland. Agricultural experiment station. Bulletin no. 54.) *

Robinson, John. Botany in Essex county [Mass.]. 8°. pp. 13. (Salem, 1884].

"From the Bulletin of the Essex institute," v. 16, 1884, pp. 122–132.
Check list of the ferns of North America, north of
Mexico. 8°. pp. [21]. Salem, Mass., 1873.
Printed on one side of the leaf only.

[Ed. 2.] 8°. pp. [23]. Salem, Mass., 1876. Printed on one side of the leaf only.

Cryptogamia in cultivation. 8°. pp. [13]. [Boston,

1875]. Transactions of the Massachusetts horticultural society, 1875, pt. 1, pp. 49-61.

Essay on ornamental arboriculture. 8°. pp. [37]. [Boston, 1881]. Transactions of the Massachusetts horticultural society, 1881, pt. 1, pp. 155-189. Ferns in their homes and ours. 12°. pp. xvi, 178. pl. 23 (8 col.). Salem, 1878. (American natural history series, v. 1.)

Ferns of Essex county, Massachusetts. [11]. [Salem, 1875].

8°. pp.

"From the Bulletin of the Essex institute," v. 7, 1875, pp. 44-54. The flora of Essex county, Massachusetts. pp. 200. Salem, 1880.

8°.

Forestry and arboriculture in Massachusetts. 8°. pp. 24. [Boston, 1888].

Reprinted from the 35th Annual report of the secretary of the Massachusetts board of agriculture, 1888, pp. 51-74.

Notes on the native and extensively introduced woody plants of Essex county, Massachusetts. 8°. pp. 38. plate. Salem, 1879.

"From Bulletin of the Essex institute," v. 11, 1880, pp. 72-106.

Ornamental trees for Massachusetts plantations. 8°. pp. [25]. Boston, 1881.

"From the 28th Annual report of the secretary of the State board of agriculture," 1881, pp. 23-43.

Our trees; a popular account of the trees in the streets and gardens of Salem, and of the native trees of Essex county, Massachusetts, with the location of trees, and historical and botanical notes. 8°. pp. 120. Salem, 1891.

Our trees in winter. 8°. pp. 16. [Salem, 1882]. "From the Bulletin of the Essex institute," v. 13, 1882, pp. 38-51. The Pine; its life, and importance in Essex county. 8°. pp. 11. [Salem, 1879].

From the Bulletin of the Essex institute," v. 10, 1879, pp. 115-125.
Additional notes on the pine. 8°. pp. [2].

[Salem, 1879].
Bulletin of the Essex institute, v. 10, 1879, pp. 145–146.

Plants growing the first season in an uncovered cellar. pp. 11. Type-written. Salem, 1908.

Report of the committee on forest trees, [with appendix]. 8°. pp. 18. Salem, 1884. "Extracted from the Proceedings of the Essex agricultural society, for 1884," pp. 90-104.

See Sargent, C. S. The native woods of Essex county, Massachusetts.

See Young, H. A. Catalogue of the flora of Oak Island, Revere, Massachusetts.

Robinson, Leonard G. The agricultural activities of the Jews in America. 12°. pp. 96. New York, 1912.

'Reprint from the American Jewish year book, 5673." Robinson, Solon, editor. Facts for farmers, also for the family circle; a variety of rich materials for all land owners, about domestic animals and domestic economy, farm buildings, gardens, orchards, and vineyards. 2 v. 4°. pp. 1098. pl. 22. portrait. New York, 1869. Paged continuously.

Guano; a treatise of practical information for farmers; containing plain directions how to apply Peruvian guano to the various crops and soils of America. 8°. pp. 96. New York, 1852.

Robinson, Thomas Russell. Seed sterilization and its effect upon seed inoculation. 8°. pp. 11. [Washington, 1910]. (United States. Department of agriculture. Bureau of plant industry. Circular no. 67.)

See Kellerman, K. F., and Robinson, T. R. Conditions affecting legume inoculation.

See Kellerman, K. F., and Robinson, T. R. Inoculation of legumes.

Robinson, William. Alpine flowers for English gardens. 8°. pp. xviii, 392. il. plate. London, 1870. Ed. 3. 8°. pp. xix, 344. il. plate. London, 1903. Title reads: Alpine flowers for gardens; rock, wall, marsh plants, and mountain shrubs.

A catalogue of hardy perennials, bulbs, alpine plants, annuals, biennials, etc., including also a complete list of British flowering plants and ferns. 8°. pp. 64. London, [1871].

The English flower garden, style, position, and arrangement; followed by a description, alphabetically arranged, of all the plants best suited for its embellishment, their culture, and positions suited for each. 8°. pp. cxxiv, 303., il. pl. 274. London, 1883.

Ed. 2. Forming vol. I. of the 'Garden cyclopaedia.' 8°. pp. x, 832. il. London, 1889.

The garden annual, almanack, and address book for 1900. 12°. pp. 417. London, [1900].

The garden beautiful, home woods, home landscape. 8°. pp. xi, 394. London, 1906.

Garden design and architects' gardens; two reviews, illustrated, to show by actual examples from British gardens, that clipping and aligning trees to make them 'harmonise' with architecture is barbarous, needless, and inartistic. 8°. pp. xviii, 73. il. pl. 20. London, 1892.

Gleanings from French gardens; comprising an account of such features of French horticulture as are most worthy of adoption in British gardens. Ed. 2. 12°. pp. xv, 291. il. plate. London, etc., 1869.

God's acre beautiful; or, The cemeteries of the future. Ed. 2. 8°. pp. vi, [1], 152, il. pl. 8. London, etc., 1882.

Hardy flowers. Descriptions of upwards of thirteen hundred of the most ornamental species, and directions for their arrangement, culture, etc. 12°. pp. viii, 341. plate. London, 1871.

Mushroom culture; its extension and improvement. 12°. pp. x, 172. il. plate. London, etc., 1883. (The country series.)

The parks, promenades, & gardens of Paris, described and considered in relation to the wants of our own cities and of public and private gardens. 8°. pp. xxxii, 644. il. pl. 48. plans. London, 1869.

1878.

Ed. 2. 8°. pp. xxiv, 548. il. pl. London,

Title reads: Parks and gardens of Paris, considered in relation to the wants of other cities and of public and private gardens; being notes on a study of Paris gardens.

Robinson, William (Continued). The subtropical garden; or, Beauty of form in the flower garden. 12°. pp. vii, [2], 241. il. pl. London, 1871.

The wild garden; or, Our groves & shrubberies made beautiful by the naturalization of hardy exotic plants; with a chapter on the garden of British wild flowers. 12°. pp. [3], 236. plate. London, 1870.

Illustrated by Alfred Parsons. 8°. pp. xiv, 179. il. pl. London, etc., 1881.

pp. xx, 304.

Ed. 4. Illustrated by Alfred Parsons. 8°. il. pl. London, 1894.

See Barnes, James, and Robinson, William. Asparagus culture.

editor. See Loudon, J. C. The horticulturist.

editor. See Loudon, Mrs. J. W. The amateur gardener's calendar.

Robson, John. How to farm two acres profitably; including the management of the cow and the pig. Ed. 2. 16°. pp. 104. London, 1863.

Rochester (N. Y.). Park commission. Report. 8°.
82, [3]. il. [Rochester, 1911].
Rochester academy of science.

pp.

Proceedings. v. 1-5, [pt. 21. Jan. 1889-Feb. 1912. 4°. il. pl. Rochester, 1890-1912.

Rock, Joseph F. Notes upon Hawaiian plants, with descriptions of new species and varieties. 8°. pp. 20. pl. 5. Honolulu, 1911. (College of Hawaii publications. Bulletin no. 1.)

Rockwell, F. F. Home vegetable gardening; a complete and practical guide to the planting and care of all vegetables, fruits, and berries worth growing for home use. 12°. pp. [3], 262. il. pl. 32. New York, 1911. Rodrigues, João Barbosa. See Barbosa Rodrigues. Rodriguez Dulanto, A. M. El primer problema de la agricultura nacional; discurso de apertura del año universitario de 1907. 8°. pp. 30. Lima, 1907. (Sociedad nacional de agricultura.)

Rodway, James. In the Guiana forest; studies of nature in relation to the struggle for life. With introduction by Grant Allen. 8°. pp. xxiii, 242. pl. 16. New York, 1894. Roe, Edward Payson. A manual on the culture of small fruits. 8°. pp. 82. Newburgh, N. Y., 1877.

forcing, and pruning, etc. Ed. 3. 16°. pp. xx, 384. London, 1837.

The vegetable cultivator; containing a plain and accurate description of all the different species and varieties of culinary vegetables. Together with a description of the physical herbs in general use, &c. Also some recollections of the life of Philip Miller. 12°. pp. xv, 343. London, 1839.

Rogers, Julia Ellen. The tree book; a popular guide to a knowledge of the trees of North America and to their uses and cultivation. With plates. . . by A. R. Dugmore. 4°. pp. xx, 589. pl. 176 (16 col.). New York, 1905. Rogers, Stanley Sawyer. The culture of tomatoes in California, with special reference to their diseases. 8°. pp. [29]. il. Berkeley, 1913. (California. Agricultural experiment station. Bulletin no. 239.)

The late blight of celery. 8°. pp. [37]. il. Berkeley, 1911. (California. Agricultural experiment station. Bulletin no. 208).

Rogers, W. S. Garden planning. 4°. pp. 328. il. frontis. London, etc., 1910.

Rohr, Julius Bernhard von. Historia naturalis arborum et fruticum sylvestrium Germaniae; oder, Naturmåssige geschichte der von sich selbst wilde wachsenden båume und stråucher in Teutschland. pp. [8], 248, [24]. Leipzig, 1732. (Appended to CARLOWITZ, H. K. von. Sylvicultura oeconomica, 1732.)

Roland, Arthur. Farming for pleasure and profit. Third section. Tree-planting for ornamentation or profit, suitable to every soil and situation. Edited by W. H. Ablett. 8°. pp. viii, 157. London, 1879.

The management of grass land, laying down grass, artificial grasses, etc. Edited by W. H. Ablett. 8°. pp. viii, 196. pl. London, 1881.

Rolfe, Robert Allen, and Hurst, Charles Chamberlain. The orchid stud-book; an enumeration of hybrid orchids of artificial origin. With an historical introduction, and a chapter on hybridising and raising orchids from seed. 8°. pp. xlviii, 327. il. plate. Kew, 1909.

Rolfs, Fred M. Fruit tree diseases and fungicides. 8°. pp. 39. Mountain Grove, [1907]. (Missouri. Agricultural experiment station. Bulletin no. 16.)

De organis plantarum. 4°. pp. [1], 23. Basileae,

1828. Roessle, Theophilus. How to cultivate and preserve celery. Edited, with a preface, by H. S. Olcott. 8°.pp. [3], xxvi, 100. pl. 4 (3 col.). Albany, etc., 1860. (Roessle's gardener's hand-books, no. 1.)

Röthgens, M. Bericht über die düngungsversuche in der Karl Bröcking'schen gärtnerei in Vorhalle a. Ruhr. 8°. pp. 8. il. n. p., n. d.

Rogers, Dexter Moses, and Burgess, Albert Franklin. Report on the field work against the gipsy moth and the brown-tail moth. 8°. pp. 81. il. pl. 12. map. Washington, 1910. (United States. Department of agriculture. Bureau of entomology. Bulletin no. 87.) Rogers, John. The fruit cultivator; being a practical and accurate description of all the most esteemed species and varieties of fruit cultivated in the gardens and orchards of Britain; with directions for raising, choosing, and management of the proper stocks; modes of planting, training,

tion, cultivation, and marketing. 8°. pp. 36. il. pl. 4. Washington, 1904. (United States. Department of agriculture. Bureau of plant industry. Bulletin no. 61.)

Citrus fruit growing in the Gulf states. 8°. pp. 48. il. Washington, 1906. (United States. Department of agriculture. Farmers' bulletin no. 238.)

Diseases of the tomato. 8°. pp. [39]. pl. 2. Jacksonville, 1898. (Florida. Agricultural experiment station. Bulletin no. 47.)

A fungus disease of the San José scale, Sphaerostilbe coccophila Tul. 8°. pp. [28]. pl. 2. De Land, 1897. (Florida. Agricultural experiment station. Bulletin no. 41.) Mangoes in Florida. 8°. pp. [36]. il. De Land, [1915]. (Florida. Agricultural experiment station. Bulletin no. 127.)

Pineapple growing. 8°. pp. 48. il. Washington, 1901. (United States. Department of agriculture. Farmers' bulletin no. 140.)

Propagation of citrus trees in the Gulf states. 8°. pp. 16. il. Washington, 1913. (United States. Department of agriculture. Farmers' bulletin no. 539.)

The San José scale. 8°. pp. [23]. pl. 2. Jacksonville, 1895. (Florida. Agricultural experiment station. Bulletin no. 29.)

Sites, soils, and varieties for citrus groves in the Gulf states. 8°. pp. 15. Washington, 1913. (United