An Introduction to BotanyLongman, 1839 - 594 páginas |
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Página 2
... young annual shoots of Sambucus nigra , are especially noticed as well suited to show this structure ; it will be seen to form a considerable part of the mass of the albumen of Alstromeria salsilla , see fig . 2. c . where it is 300 of ...
... young annual shoots of Sambucus nigra , are especially noticed as well suited to show this structure ; it will be seen to form a considerable part of the mass of the albumen of Alstromeria salsilla , see fig . 2. c . where it is 300 of ...
Página 11
... young buds , from the points or axils of pre - existing tubes , an observation which has been confirmed by Slack . It has been stated by Mirbel that the same thing occurs in the case of Marchantia polymorpha . That learned botanist , in ...
... young buds , from the points or axils of pre - existing tubes , an observation which has been confirmed by Slack . It has been stated by Mirbel that the same thing occurs in the case of Marchantia polymorpha . That learned botanist , in ...
Página 20
... young cell , which at first represents a very flat segment of a sphere whose flat side is formed of the Cytoblast and convex side of the young vesicle , which is fixed upon it like the half of an hour - glass ( wie ein Uhrglas auf einer ...
... young cell , which at first represents a very flat segment of a sphere whose flat side is formed of the Cytoblast and convex side of the young vesicle , which is fixed upon it like the half of an hour - glass ( wie ein Uhrglas auf einer ...
Página 27
... young shoot of the Cornus alba ( com- mon dogwood ) may be conveniently used ; in these they may be readily detected by gently pulling the specimen asunder , when they unroll , and appear to the naked eye like a fine cobweb . Very ...
... young shoot of the Cornus alba ( com- mon dogwood ) may be conveniently used ; in these they may be readily detected by gently pulling the specimen asunder , when they unroll , and appear to the naked eye like a fine cobweb . Very ...
Página 32
... in unrolling them in the young shoots of Lycopodium denticulatum , and Mr. Quekett in Diplagium seramporense . Some have thought that the spiral vessels terminate in those 32 BOOK I. ORGANOGRAPHY . Anomalous Exogens Endogens.
... in unrolling them in the young shoots of Lycopodium denticulatum , and Mr. Quekett in Diplagium seramporense . Some have thought that the spiral vessels terminate in those 32 BOOK I. ORGANOGRAPHY . Anomalous Exogens Endogens.
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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