An Introduction to BotanyLongman, 1839 - 594 páginas |
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Página 197
... dissepiments , and placenta , and the precise relation that these parts bear to each other ; and also to prove that the necessary consequence of the laws under which pistils are constructed is , that they can be subject to only a ...
... dissepiments , and placenta , and the precise relation that these parts bear to each other ; and also to prove that the necessary consequence of the laws under which pistils are constructed is , that they can be subject to only a ...
Página 203
... dissepiments , is incontestable . Yet in Orobanche and Phelypæa the capsule has the placentæ placed equi- distant in pairs upon the face of each valve or carpel , and considerably within the margin . In Epiphegus each carpel has two ...
... dissepiments , is incontestable . Yet in Orobanche and Phelypæa the capsule has the placentæ placed equi- distant in pairs upon the face of each valve or carpel , and considerably within the margin . In Epiphegus each carpel has two ...
Página 204
... dissepiments or septa . It is important to bear in mind , not only that such is really their origin , but that they cannot possibly have any other origin , in order to form an exact idea of the structure of pistils . Now , as each ...
... dissepiments or septa . It is important to bear in mind , not only that such is really their origin , but that they cannot possibly have any other origin , in order to form an exact idea of the structure of pistils . Now , as each ...
Página 205
... dissepiments by uniting with other carpels : consequently a partition in any cell in the direction of ik could not be a dissepiment , but would be of a different nature . A d 129 C margin of the carpel . B 2. They are uniformly equal in ...
... dissepiments by uniting with other carpels : consequently a partition in any cell in the direction of ik could not be a dissepiment , but would be of a different nature . A d 129 C margin of the carpel . B 2. They are uniformly equal in ...
Página 206
... dissepiment will alternate with the stigma : — for the stigma is the extremity of the midrib of the carpellary leaf , or of the dorsal suture of the carpel ; and the sides of either of these ( which form dissepiments ) will be right and ...
... dissepiment will alternate with the stigma : — for the stigma is the extremity of the midrib of the carpellary leaf , or of the dorsal suture of the carpel ; and the sides of either of these ( which form dissepiments ) will be right and ...
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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