An Introduction to BotanyLongman, Orme, Brown, Green, and Longmans, 1839 - 594 páginas |
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Página ix
... Hairs Scurf Glands Prickles 48 51 - 59 · 63 Naked Seeds CHAP . III . Compound 250. 252 · Organs in Flowerless Plants , or 257 · 64 Acrogens - 258 68 Ferns Equisetacea - 69 Lycopodiacea - 258 262 · 262 SECT . II . Stem , or ascending ...
... Hairs Scurf Glands Prickles 48 51 - 59 · 63 Naked Seeds CHAP . III . Compound 250. 252 · Organs in Flowerless Plants , or 257 · 64 Acrogens - 258 68 Ferns Equisetacea - 69 Lycopodiacea - 258 262 · 262 SECT . II . Stem , or ascending ...
Página 2
... hairs ; I have found it distinctly on the petals of Hydrotænia meleagris ( see Bot . Reg . 1838. misc . No. 128. ) , but its extreme tenuity and firm adhesion to the tissue below it renders it difficult to detect it ; and there is no ...
... hairs ; I have found it distinctly on the petals of Hydrotænia meleagris ( see Bot . Reg . 1838. misc . No. 128. ) , but its extreme tenuity and firm adhesion to the tissue below it renders it difficult to detect it ; and there is no ...
Página 6
... hair of inconceiv- able fineness , but it is extremely variable in size . In Pleurothallis ruscifolia , where it is large , I find it so , in Crinum amabile , where it is middle - sized , 72 of an English inch in diameter . It has ...
... hair of inconceiv- able fineness , but it is extremely variable in size . In Pleurothallis ruscifolia , where it is large , I find it so , in Crinum amabile , where it is middle - sized , 72 of an English inch in diameter . It has ...
Página 7
... hairs ; 3. ovenchyma , oval ; 4. atractenchyma , fusiform 5. cylindrenchyma , cylindrical ; 6. colpenchyma , sinuous ; 7 , cladenchyma , branched ; 8. prismenchyma , prismatical . II . PERENCHYMA , amylaceous granules . III . INENCHYMA ...
... hairs ; 3. ovenchyma , oval ; 4. atractenchyma , fusiform 5. cylindrenchyma , cylindrical ; 6. colpenchyma , sinuous ; 7 , cladenchyma , branched ; 8. prismenchyma , prismatical . II . PERENCHYMA , amylaceous granules . III . INENCHYMA ...
Página 20
... . The 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 .
... . The 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 .
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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 colour common considered consists containing corolla cotyledons cyclosis developement dicotyledons direction disk distinct Dutrochet elongated embryo epidermis exist external 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 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 sometimes species specimens spiral vessels stamens stem stigma stomates structure substance surface term terminating tion tree tubes vascular vegetable veins wood woody tissue yellow
Passagens conhecidas
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