An Introduction to BotanyLongman, Orme, Brown, Green, and Longmans, 1839 - 594 páginas |
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Página vii
... which it is found at the present day . In doing so , I have added so very considerable a quan- tity of new matter , especially in what relates to Vegetable Anatomy and Physiology , that the present edition may PREFACE . vii.
... which it is found at the present day . In doing so , I have added so very considerable a quan- tity of new matter , especially in what relates to Vegetable Anatomy and Physiology , that the present edition may PREFACE . vii.
Página x
... Matter 380 Signs - 496 Light - 382 Abbreviations 499 Excretions - 383 Nitrogen - 385 Hydrogen 385 Sulphurous Acid Gas - 385 Muriatic Acid Gas · 386 Chlorine - 386 BOOK IV .. - PHYTOGRAPHY . - CHAP . I. Diagnoses Differential Characters ...
... Matter 380 Signs - 496 Light - 382 Abbreviations 499 Excretions - 383 Nitrogen - 385 Hydrogen 385 Sulphurous Acid Gas - 385 Muriatic Acid Gas · 386 Chlorine - 386 BOOK IV .. - PHYTOGRAPHY . - CHAP . I. Diagnoses Differential Characters ...
Página 3
... matter . This was first observed by Mohl in Palm - trees , where he found a successive addition of strata to the lining of the cavities of the cells ; and is appa- rently an universal occurrence where membrane becomes thickened . But ...
... matter . This was first observed by Mohl in Palm - trees , where he found a successive addition of strata to the lining of the cavities of the cells ; and is appa- rently an universal occurrence where membrane becomes thickened . But ...
Página 4
... matter , called by him Sclerogen , is what causes the grittiness of the pear , and the boniness of the stone of the peach and plum , in all which the Osseous parts were originally membranous . It is , however , by no means in old or ...
... matter , called by him Sclerogen , is what causes the grittiness of the pear , and the boniness of the stone of the peach and plum , in all which the Osseous parts were originally membranous . It is , however , by no means in old or ...
Página 5
... matter sticking to the membrane : he found that boiling them in hot nitric acid rendered them opaque , and that treating them with a solution of caustic potash restored their transparency , a property incompatible with a perfo- ration ...
... matter sticking to the membrane : he found that boiling them in hot nitric acid rendered them opaque , and that treating them with a solution of caustic potash restored their transparency , a property incompatible with a perfo- ration ...
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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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