An Introduction to BotanyLongman, 1839 - 594 páginas |
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Página 3
... con- centric layers of sediment- ary matter , as may be seen in Castanea vesca ( fig . 1.a ) , and Betula alba , and in the cells below the stomates of Pinus sylvestris ( fig . B 2 CHAP . 1 . 3 OF THE ELEMENTARY ORGANS .
... con- centric layers of sediment- ary matter , as may be seen in Castanea vesca ( fig . 1.a ) , and Betula alba , and in the cells below the stomates of Pinus sylvestris ( fig . B 2 CHAP . 1 . 3 OF THE ELEMENTARY ORGANS .
Página 5
... the sub- ject under examination will enable him to discover them readily , with a magnifying power of 350 diameters . But it is by no means to thin transparent tissue that these passages B 3 CHAP . I. 5 OF THE ELEMENTARY ORGANS .
... the sub- ject under examination will enable him to discover them readily , with a magnifying power of 350 diameters . But it is by no means to thin transparent tissue that these passages B 3 CHAP . I. 5 OF THE ELEMENTARY ORGANS .
Página 7
... organs of plants are con- structed . For the convenience of description , they may be considered as of five different kinds , 1. Cellular tissue , or Parenchyma ; 2. Pitted tissue , or Bothrenchyma ; 3. Woody tissue , or Pleurenchyma ...
... organs of plants are con- structed . For the convenience of description , they may be considered as of five different kinds , 1. Cellular tissue , or Parenchyma ; 2. Pitted tissue , or Bothrenchyma ; 3. Woody tissue , or Pleurenchyma ...
Página 13
... organs . Link states that in the branch of a Pelargonium cucullatum about 1 line in diameter , he found the larger cells of a line broad , which , in an older branch of the same plant , 2 lines in diameter , the larger cells were of a ...
... organs . Link states that in the branch of a Pelargonium cucullatum about 1 line in diameter , he found the larger cells of a line broad , which , in an older branch of the same plant , 2 lines in diameter , the larger cells were of a ...
Página 36
... organs , in the bark of the root , in the pith , and probably in all other parts ; but their station seems to vary in different species . Sometimes they accompany the spiral vessels , forming a part of the bundle of tissue to which ...
... organs , in the bark of the root , in the pith , and probably in all other parts ; but their station seems to vary in different species . Sometimes they accompany the spiral vessels , forming a part of the bundle of tissue to which ...
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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