An Introduction to BotanyLongman, 1839 - 594 páginas |
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Página 112
... Dicotyledons and the inarticulated leaves of Monocotyledons and Acotyledons : the former he calls true leaves , and dis- tinguishes by the name of Laub ; the latter he considers foliaceous dilatations of the stem , analogous to leaves ...
... Dicotyledons and the inarticulated leaves of Monocotyledons and Acotyledons : the former he calls true leaves , and dis- tinguishes by the name of Laub ; the latter he considers foliaceous dilatations of the stem , analogous to leaves ...
Página 133
... Dicotyledons , as of the Lilac , the Rose , & c . It is the folium venosum of Linnæus , the f . indirectè venosum of Link , the f . mixtinervium of A. Richard , and the f . retiner- vium of De Candolle . If the external veins and ...
... Dicotyledons , as of the Lilac , the Rose , & c . It is the folium venosum of Linnæus , the f . indirectè venosum of Link , the f . mixtinervium of A. Richard , and the f . retiner- vium of De Candolle . If the external veins and ...
Página 160
... Dicotyledons is binodal , or multinodal ; the second is sometimes a simple variety of the first . In the binodal cyme one of the nodes is homodromal , the other antidromal . These nodes have usually an unequal tendency to develope ; if ...
... Dicotyledons is binodal , or multinodal ; the second is sometimes a simple variety of the first . In the binodal cyme one of the nodes is homodromal , the other antidromal . These nodes have usually an unequal tendency to develope ; if ...
Página 250
... Dicotyledons ; 2. Monocotyledons ; and , 3. Acotyledons . In order to under- stand exactly the true nature of the embryo in each of these , it will be requisite first to describe it fully as it exists in dicotyledons , and then to ...
... Dicotyledons ; 2. Monocotyledons ; and , 3. Acotyledons . In order to under- stand exactly the true nature of the embryo in each of these , it will be requisite first to describe it fully as it exists in dicotyledons , and then to ...
Página 252
... dicotyledons , and forms a distinct approach to the struc- ture of monocotyledons : it occurs in Trapa and Sorocea , in which they are extremely disproportionate . In Cycas they are also rather unequal ; but in a much less degree ...
... dicotyledons , and forms a distinct approach to the struc- ture of monocotyledons : it occurs in Trapa and Sorocea , in which they are extremely disproportionate . In Cycas they are also rather unequal ; but in a much less degree ...
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Palavras e frases frequentes
Adolphe Brongniart albumen anther apex appears axis bark base become body botanists Botany bracts branches buds bundles called calyx Cand Candolle carbonic acid carpels cause cavity cells cellular tissue centre chalaza character cloth colour common consists containing corolla cotyledons cyclosis developement dicotyledons direction disk Dutrochet Edition embryo epidermis exist extremity fibres filament fleshy flowers fluid foramen fruit glands grains green growing hairs hilum inches integument kind latex layers leaf leaflets leaves light Linnæus lobes Loudon margin matter medullary rays membrane Mirbel monocotyledons nature nitrogen nucleus observed organs ovarium ovary ovule oxygen parenchyma pericarp petals petiole pistil pith placenta plants Plate plumula pollen pollen tube produced quantity radicle Raphides remarked roots round seeds separate side species specimens spiral vessels stamens stem stigma stomates structure substance surface term terminating tion tree tubes vascular vegetable veins wood woody tissue yellow