An Introduction to BotanyLongman, Orme, Brown, Green, and Longmans, 1839 - 594 páginas |
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Página x
... Directions CHAP . XV . Irritability Poisons CHAP . XVI . Colour Chlorophyll Xanthic and Cyanic Series Marquart's Views ... Direction Insertion Collective Terms Arrangement Number · 483 · 483 - 485 489 - 491 491 . - 495 Nitrogen · 379 ...
... Directions CHAP . XV . Irritability Poisons CHAP . XVI . Colour Chlorophyll Xanthic and Cyanic Series Marquart's Views ... Direction Insertion Collective Terms Arrangement Number · 483 · 483 - 485 489 - 491 491 . - 495 Nitrogen · 379 ...
Página 4
... direction than another ; but I have met with a remarkable instance to the contrary of this in Bromelia nudicaulis , in which the membrane of the cuticle breaks into little teeth of nearly equal width when torn . ( Plate I. fig . 6 ...
... direction than another ; but I have met with a remarkable instance to the contrary of this in Bromelia nudicaulis , in which the membrane of the cuticle breaks into little teeth of nearly equal width when torn . ( Plate I. fig . 6 ...
Página 7
... direction it is variable ( Plates I. and II . ) ; sometimes it is straight , and attains a considerable length , as in some fungi ; sometimes it is short and straight , but hooked at the apex , as in the lining of the anther of Cam ...
... direction it is variable ( Plates I. and II . ) ; sometimes it is straight , and attains a considerable length , as in some fungi ; sometimes it is short and straight , but hooked at the apex , as in the lining of the anther of Cam ...
Página 10
... directions . On both these suppositions , the partitions between the cells would be simple , and not composed of two membranes in a state of cohesion ; but the facility with which , as has just been stated , the cellules may be ...
... directions . On both these suppositions , the partitions between the cells would be simple , and not composed of two membranes in a state of cohesion ; but the facility with which , as has just been stated , the cellules may be ...
Página 14
... directions , rhomboidal dodecahedrons are pro- duced , which , if cut across , exhibit the appearance of hexa- gons ... direction than another , a variety of forms is produced , of which the following are the most worth noticing : 1 ...
... directions , rhomboidal dodecahedrons are pro- duced , which , if cut across , exhibit the appearance of hexa- gons ... direction than another , a variety of forms is produced , of which the following are the most worth noticing : 1 ...
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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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