An Introduction to BotanyLongman, Orme, Brown, Green, and Longmans, 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 3300 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 3300 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
... . Griffith , has succeeded 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 .
... . Griffith , has succeeded 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 .
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Palavras e frases frequentes
Adolphe Brongniart anther apex appears arranged axis bark base become bladders body botanists bracts branches brown buds bundles called calyx Candolle carbonic acid carpels cavity cells cellular tissue centre chalaza colour colourless common considered consists corolla cotyledons dehiscence developement dicotyledons direction disk dissepiments distinct Dutrochet elongated embryo Endogens epidermis exist Exogens external extremity fibres fleshy flowers fluid fruit glands grains granules green growing hairs hilum indehiscent inflorescence integument kind layers leaf leaflets leaves Linnæus lobes margin matter medullary rays membrane midrib Mirb Mirbel modifications Mohl monocotyledons nature nucleus observations organs ovary ovule oxygen parenchyma peculiar pericarp petals petiole pistil pith placenta plants Plate pollen produced quantity radicle receptacle remarkable roots round seeds separate side sometimes species spiral vessels sporangium stamens stem stigma stomates structure substance surface term terminating tion tree tubes valves vascular vegetable veins wood woody tissue yellow
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