A key to structural, physiological, and systematic botanyéditeur non identifié, 1835 - 80 pagina's |
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Pagina 6
... sometimes acquires excessive hardness , as in the stones of fruits , and the bony skins of some seeds . 16. Prosenchyma is confined to the bark and wood , in which it is mixed with woody tissue ( 19. ) . 17. The function of the cellular ...
... sometimes acquires excessive hardness , as in the stones of fruits , and the bony skins of some seeds . 16. Prosenchyma is confined to the bark and wood , in which it is mixed with woody tissue ( 19. ) . 17. The function of the cellular ...
Pagina 13
... sometimes in all directions ; Ex . Fungi : sometimes in particular directions ; Ex . Lichens , Algæ , & c . 130 The ascending direction of the stem , upon its first deve- lopement , is frequently deviated from immediately after . 131 ...
... sometimes in all directions ; Ex . Fungi : sometimes in particular directions ; Ex . Lichens , Algæ , & c . 130 The ascending direction of the stem , upon its first deve- lopement , is frequently deviated from immediately after . 131 ...
Pagina 14
... sometimes indicates a tendency to become a flower - bud ; and flower - buds frequently assume the characters of leaf - buds ; Ex . Monstrous Pears . 145. Leaf - buds are of two kinds , the regular and the adven- titious . 146. Regular ...
... sometimes indicates a tendency to become a flower - bud ; and flower - buds frequently assume the characters of leaf - buds ; Ex . Monstrous Pears . 145. Leaf - buds are of two kinds , the regular and the adven- titious . 146. Regular ...
Pagina 15
... sometimes in con- sequence of the internodes being unequally developed , leaves become opposite or verticillate . They are never produced side by side . 161. In Exogenous plants , the primordial or seed - leaves ( coty- ledons ) are ...
... sometimes in con- sequence of the internodes being unequally developed , leaves become opposite or verticillate . They are never produced side by side . 161. In Exogenous plants , the primordial or seed - leaves ( coty- ledons ) are ...
Pagina 16
... Sometimes , only one stipule is formed , the other being constantly abortive , as in Azara . 184. Stipules are sometimes transformed into leaves ; they some- times have buds in their axils ; and may be , therefore , considered ...
... Sometimes , only one stipule is formed , the other being constantly abortive , as in Azara . 184. Stipules are sometimes transformed into leaves ; they some- times have buds in their axils ; and may be , therefore , considered ...
Veelvoorkomende woorden en zinsdelen
3d Edit abortive absent Acrid Acrogens affinities albumen Alliance Anthers apex Apocarpous Aromatic arranged Astringent axils axis bark base botanists Botany bracts buds called calyx carpels Carpels solitary cells cellular tissue characters cloth coloured concentric layers connected consists corolla cotyledons dehiscence developed Dicotyledonous dissepiments Ditto elongation embryo Endogens Engravings Epigynosæ epigynous Estivation Exogenous plants Fcap floral envelopes flower-buds Flowers unisexual formed Fruit eatable genera germination Gymnospermæ hilum HISTORY hypogynous imbricated indehiscent indusium inflorescence integument involucre lamina latter leaf leaf-buds leaves Maps margins medullary system membranous MEMOIRS Menispermaceæ modifications monopetalous natural nucleus one-celled operculum organs ovary ovule oxygen parietal pedicel peduncle pericarp petals petiole pistil pith Pittosporales placenta Plates Polyandrous polypetalous radicle Rhizantheæ root Seeds sepals separate sometimes spiral vessels Stamens Stamens distinct stem stigma stipules stomates style SUBCLASS succulent sup.-roy Syncarpous Thecæ tonic Tubiferosæ vascular vascular tissue veins vesicles Vols whorl wood woody tissue
Populaire passages
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Pagina 11 - The Family Shakspeare ; in which nothing is added to the Original Text ; but those words and expressions are omitted which cannot with propriety be read aloud.
Pagina 15 - COL. HAWKER'S INSTRUCTIONS to YOUNG SPORTSMEN in all that relates to Guns and Shooting.
Pagina 15 - Mrs. Marcet's Conversations on Chemistry, in which the Elements of that Science are familiarly explained and illustrated by Experiments.
Pagina 7 - A NATURAL SYSTEM OF BOTANY; or, a Systematic View of the Organization, Natural Affinities, and Geographical Distribution of the whole Vegetable Kingdom : together with the Uses of the most important Species in Medicine, the Arts, &c.
Pagina 8 - THE SUNDAY LIBRARY ; a Selection of Sermons from eminent Divines of the Church of England, chiefly within the last Half Century. With Notes, &c. by the Rev. TF DIBDIN, DD Complete in 6 vols. small 8vo. with 6 Portraits of distinguished Prelates, 30s. cloth. " A little library for a churchman, and a treasure for the pious among the laity.
Pagina 13 - Numbers are already published. Each Size to class with the Architectural Antiquities of Great Britain. The following are complete, and may be had separate, viz.
Pagina 15 - SELECT WORKS OF THE BRITISH POETS, From Ben Jonson to Beattie. With Biographical and Critical Prefaces, by DR. AIKIN.
Pagina 4 - GOOD.-THE BOOK OF NATURE. A Popular Illustration of the General Laws and Phenomena of Creation. By JOHN MASON GOOD, MDFRS, &c.
Pagina 9 - BURNS. -THE PRINCIPLES OF CHRISTIAN PHILOSOPHY; containing the Doctrines, Duties, Admonitions, and Consolations of the Christian Religion. By JOHN BURNS, MDFRS 6th Edition.