An Introduction to BotanyLongman, Orme, Brown, Green, and Longmans, 1839 - 594 páginas |
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Página 38
... called vasa propria . To this class also are to be referred the turpentine vessels of Grew ; the ré- servoirs accidentels of De Candolle ; and also the réservoirs en cæcum of the latter , which are the clavate 38 BOOK I. ORGANOGRAPHY .
... called vasa propria . To this class also are to be referred the turpentine vessels of Grew ; the ré- servoirs accidentels of De Candolle ; and also the réservoirs en cæcum of the latter , which are the clavate 38 BOOK I. ORGANOGRAPHY .
Página 39
... called vittæ . Although the receptacles of secretion have no proper coat , yet they are so surrounded by cellular tissue , that a lining or wall is formed , of perfect regularity and symmetry . The tissue of this lining is generally ...
... called vittæ . Although the receptacles of secretion have no proper coat , yet they are so surrounded by cellular tissue , that a lining or wall is formed , of perfect regularity and symmetry . The tissue of this lining is generally ...
Página 46
... called mucus , and appears to be what the Cytoblast and its spherule are composed of . When starch is about to assume a new organization , it converts itself , in some manner unknown to chemists , into sugar or gum . Sugar makes its ...
... called mucus , and appears to be what the Cytoblast and its spherule are composed of . When starch is about to assume a new organization , it converts itself , in some manner unknown to chemists , into sugar or gum . Sugar makes its ...
Página 61
... called one - sided ( secundatus ) ; very rarely they appear upon the articulations of the hair , which in that case is called ganglioneous . ( Plate I. fig . 9. Verbascum Lychnitis ) : the poils en goupillon of De Candolle are referable ...
... called one - sided ( secundatus ) ; very rarely they appear upon the articulations of the hair , which in that case is called ganglioneous . ( Plate I. fig . 9. Verbascum Lychnitis ) : the poils en goupillon of De Candolle are referable ...
Página 62
John Lindley. are occasionally united at their base : such are called stellate , and are frequently peculiar to certain natural orders . ( Plate I. fig . 10. a . ) All these varieties belong to one or other of two principal kinds of ...
John Lindley. are occasionally united at their base : such are called stellate , and are frequently peculiar to certain natural orders . ( Plate I. fig . 10. a . ) All these varieties belong to one or other of two principal kinds of ...
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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
Página 593 - Dr. Ure's Dictionary of Arts, Manufactures, and Mines : Containing a clear Exposition of their Principles and Practice.