An Introduction to BotanyLongman, Orme, Brown, Green, and Longmans, 1839 - 594 páginas |
No interior do livro
Resultados 1-5 de 100
Página 42
... base . The crystals found in the Cactus and Rhubarb ( figs . 11. and 12. ) , he says are composed of oxalate of lime ; and he represents them to be right - angled prisms , terminating in a four - sided pyramid . ( Nouv . Syst . de Ch ...
... base . The crystals found in the Cactus and Rhubarb ( figs . 11. and 12. ) , he says are composed of oxalate of lime ; and he represents them to be right - angled prisms , terminating in a four - sided pyramid . ( Nouv . Syst . de Ch ...
Página 46
... base of Gum Tragacanth , and many other kinds of vegetable mucus . It is this jelly , which , by a further chemical attraction , becomes the membrane of cells , and is afterwards the material by which it is thickened . - 2. Chlorophyll ...
... base of Gum Tragacanth , and many other kinds of vegetable mucus . It is this jelly , which , by a further chemical attraction , becomes the membrane of cells , and is afterwards the material by which it is thickened . - 2. Chlorophyll ...
Página 61
... Malpighiacei , biacuminati ) , as in Indigofera , Astragalus asper , & c . In many plants the hairs grow in clusters , as in Malvaceæ , and are occasionally united at their base : such are called CHAP . II . 61 HAIRS .
... Malpighiacei , biacuminati ) , as in Indigofera , Astragalus asper , & c . In many plants the hairs grow in clusters , as in Malvaceæ , and are occasionally united at their base : such are called CHAP . II . 61 HAIRS .
Página 62
... base to the apex , or at least not much enlarged at either end ; and secreting , of cellules visibly distended either at the apex or base into receptacles of fluid . Mal- pighiaceous and glandular hairs , stings , and those which cause ...
... base to the apex , or at least not much enlarged at either end ; and secreting , of cellules visibly distended either at the apex or base into receptacles of fluid . Mal- pighiaceous and glandular hairs , stings , and those which cause ...
Página 66
... base are three cells of the epidermis ; g , from the inside of the under - lip of Antirrhinum majus : the cell containing the glandular matter is at first cylindrical ; it then forms a head , from which another cylindrical joint is ...
... base are three cells of the epidermis ; g , from the inside of the under - lip of Antirrhinum majus : the cell containing the glandular matter is at first cylindrical ; it then forms a head , from which another cylindrical joint is ...
Outras edições - Ver tudo
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
Passagens conhecidas
Página 597 - Howitt. — VISITS TO REMARKABLE PLACES. Old Halls, Battle-Fields, Scenes, illustrative of Striking Passages in English History and Poetry. By WILLIAM HOWITT. With 80 Illustrations.
Página 597 - Boy's Country Book: Being the Real Life of a Country Boy, written by himself; exhibiting all the Amusements, Pleasures, and Pursuits of Children in the Country. New Edition ; with 40 Woodcuts. Fcp. 8vo. price 6s. Howitt. -The Rural Life of England.