An Introduction to Botany |
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Page ix
... Pollen - 181 SECT . VII . Amylaceous and Granular Matter . Amylaceous Granules Chlorophyll Latex Granules CHAP . II . Compound Organs in Flowering Plants . SECT . I. Epidermis and Ap- Disk . 192 Pistil · 193 43 46 Receptacle Ovule - 210 ...
... Pollen - 181 SECT . VII . Amylaceous and Granular Matter . Amylaceous Granules Chlorophyll Latex Granules CHAP . II . Compound Organs in Flowering Plants . SECT . I. Epidermis and Ap- Disk . 192 Pistil · 193 43 46 Receptacle Ovule - 210 ...
Page 12
... pollen grains . It appears that in Confervæ the increase in number of the cells takes place by the internal division of the parent cells . In Conferva glomerata the last joint is always as long as those below it , only rather more ...
... pollen grains . It appears that in Confervæ the increase in number of the cells takes place by the internal division of the parent cells . In Conferva glomerata the last joint is always as long as those below it , only rather more ...
Page 19
... pollen tube of Linum pallescens . In structure it is usually granular ; in consistence it varies between extreme softness and such a degree of toughness , as enables it to resist the pressure of the compressorium without altering its ...
... pollen tube of Linum pallescens . In structure it is usually granular ; in consistence it varies between extreme softness and such a degree of toughness , as enables it to resist the pressure of the compressorium without altering its ...
Page 20
... Cytoblast appears , however , sometimes to have a permanent existence , as in the pollen of Larix europæa , and in those hairs in which a circulation of the sap is observable . In those Schleiden has remarked 20 BOOK I. ORGANOGRAPHY .
... Cytoblast appears , however , sometimes to have a permanent existence , as in the pollen of Larix europæa , and in those hairs in which a circulation of the sap is observable . In those Schleiden has remarked 20 BOOK I. ORGANOGRAPHY .
Page 43
... concentric circles ; they are extremely variable in size , some being as fine as the smallest molecular matter in pollen , that is , not more than 3000 of an inch in diameter , others being as much CHAP . I. 43 AMYLACEOUS TISSUE .
... concentric circles ; they are extremely variable in size , some being as fine as the smallest molecular matter in pollen , that is , not more than 3000 of an inch in diameter , others being as much CHAP . I. 43 AMYLACEOUS TISSUE .
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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