An Introduction to BotanyLongman, 1839 - 594 páginas |
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Página 2
... petals of Hydrotænia meleagris ( see Bot . Reg . 1838. misc . No. 128. ) , but its extreme tenuity and firm adhesion to the tissue below it renders it difficult to detect it ; and there is no doubt that it occurs very generally in the ...
... petals of Hydrotænia meleagris ( see Bot . Reg . 1838. misc . No. 128. ) , but its extreme tenuity and firm adhesion to the tissue below it renders it difficult to detect it ; and there is no doubt that it occurs very generally in the ...
Página 10
... petals , as , for instance , in the stripes of tulips and carnations , which could not be the case if cellular tissue were perforated by such holes as have been described ; for in that case colours would necessarily. 10 BOOK I ...
... petals , as , for instance , in the stripes of tulips and carnations , which could not be the case if cellular tissue were perforated by such holes as have been described ; for in that case colours would necessarily. 10 BOOK I ...
Página 31
... petals and filaments . Mirbel states them to be sometimes as much as the 288th of an inch in diameter ; Hedwig finds them , in some cases , not exceeding the 3000th ; a very common size is the 1000th . According to the observations of ...
... petals and filaments . Mirbel states them to be sometimes as much as the 288th of an inch in diameter ; Hedwig finds them , in some cases , not exceeding the 3000th ; a very common size is the 1000th . According to the observations of ...
Página 32
John Lindley. it ; such as the veins of leaves , and petals , and of all other modifications of leaves . It has been supposed that they are never found either in the bark , the wood , or the root ; and this appears to be generally true ...
John Lindley. it ; such as the veins of leaves , and petals , and of all other modifications of leaves . It has been supposed that they are never found either in the bark , the wood , or the root ; and this appears to be generally true ...
Página 50
... petals of Hydrotania Meleagris , from which it may be easily removed after maceration for a few days in spirit of wine ; and Ad . Brong- niart succeeded in separating it from the leaves of Potamo- goton lucens , after very long ...
... petals of Hydrotania Meleagris , from which it may be easily removed after maceration for a few days in spirit of wine ; and Ad . Brong- niart succeeded in separating it from the leaves of Potamo- goton lucens , after very long ...
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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