An Introduction to BotanyLongman, Orme, Brown, Green, and Longmans, 1839 - 594 páginas |
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Página iii
... branches of natural philosophy . It now comprehends a knowledge not only of the names and uses of plants , but of their external and internal organisation , their anatomy and physiolo- gical phenomena : it involves the consideration of ...
... branches of natural philosophy . It now comprehends a knowledge not only of the names and uses of plants , but of their external and internal organisation , their anatomy and physiolo- gical phenomena : it involves the consideration of ...
Página iv
... branches , which have only for a short time occupied the attention of ob- servers , or which depend upon obscure and ill - under- stood evidence , are less clearly defined than could be wished . To explain those principles ; to adduce ...
... branches , which have only for a short time occupied the attention of ob- servers , or which depend upon obscure and ill - under- stood evidence , are less clearly defined than could be wished . To explain those principles ; to adduce ...
Página v
... an explanation of the exact structure of plants ; a branch of the subject comprehending what relates either to the various forms of tissue of which vegetables are constructed , or to the external appearance A 3 PREFACE . V.
... an explanation of the exact structure of plants ; a branch of the subject comprehending what relates either to the various forms of tissue of which vegetables are constructed , or to the external appearance A 3 PREFACE . V.
Página ix
... 64 Acrogens - 258 68 Ferns Equisetacea · - 69 71 Lycopodiacea Marsileacea . 258 262 - 262 · 263 - SECT . II . Stem , or ascending Axis Branches Mosses and Andræaceæ Jungermanniaceæ and Hepa- ticæ Lichens Algaceæ Fungacea.
... 64 Acrogens - 258 68 Ferns Equisetacea · - 69 71 Lycopodiacea Marsileacea . 258 262 - 262 · 263 - SECT . II . Stem , or ascending Axis Branches Mosses and Andræaceæ Jungermanniaceæ and Hepa- ticæ Lichens Algaceæ Fungacea.
Página 7
... branches . Like membrane it is increased in thickness by the deposit of sedimentary matter on that part which does not adhere to the membrane , as has been proved by some beautiful microscopico - chemical experiments of Schleiden . Of ...
... branches . Like membrane it is increased in thickness by the deposit of sedimentary matter on that part which does not adhere to the membrane , as has been proved by some beautiful microscopico - chemical experiments of Schleiden . Of ...
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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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