An Introduction to BotanyLongman, Orme, Brown, Green, and Longmans, 1839 - 594 páginas |
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Página 14
... leaves . ( Plate I. fig . 9. ) 2. The lobed ( Plate I. fig . 2. f ) ; in the inside of the leaf of Nuphar luteum , Lilium candidum , Vicia Faba , & c .: in this form of cellular tissue the vesicles are sometimes oblong with a sort of ...
... leaves . ( Plate I. fig . 9. ) 2. The lobed ( Plate I. fig . 2. f ) ; in the inside of the leaf of Nuphar luteum , Lilium candidum , Vicia Faba , & c .: in this form of cellular tissue the vesicles are sometimes oblong with a sort of ...
Página 54
... darkness , nor upon roots , nor the ribs of leaves . It frequently happens that they are found upon one surface of a leaf , but not on another , and generally in most abundance on the under side . In 54 BOOK I. ORGANOGRAPHY .
... darkness , nor upon roots , nor the ribs of leaves . It frequently happens that they are found upon one surface of a leaf , but not on another , and generally in most abundance on the under side . In 54 BOOK I. ORGANOGRAPHY .
Página 71
... leaf - bud or buds is formed at a node immediately above the base of the leaf ; generally such a bud is either sufficiently apparent to be readily recognised by the naked eye , or , at least , it becomes apparent at some time or other ...
... leaf - bud or buds is formed at a node immediately above the base of the leaf ; generally such a bud is either sufficiently apparent to be readily recognised by the naked eye , or , at least , it becomes apparent at some time or other ...
Página 74
... leaf - bud of the root . The leaf - bud has been compared by Du Petit Thouars and some other botanists to the embryo , and has even been deno- minated a fixed embryo . This comparison must not , however , be understood to indicate any ...
... leaf - bud of the root . The leaf - bud has been compared by Du Petit Thouars and some other botanists to the embryo , and has even been deno- minated a fixed embryo . This comparison must not , however , be understood to indicate any ...
Página 75
... leaf itself , have all been remarked producing them . On the leaf they usually proceed from the margin , as in Malaxis paludosa , where they form minute granulations , first determined to be buds by Henslow , or as in Bryophyllum ...
... leaf itself , have all been remarked producing them . On the leaf they usually proceed from the margin , as in Malaxis paludosa , where they form minute granulations , first determined to be buds by Henslow , or as in Bryophyllum ...
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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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