An Introduction to Botany |
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Results 6-10 of 93
Page 70
... portion of the axis is called the neck or collum , ( coarcture of Grew , noeud vital of Lamarck , limes communis , or fundus plantæ , of Jungius , ) and has been thought by some to be the seat of vegetable vitality ; an erroneous idea ...
... portion of the axis is called the neck or collum , ( coarcture of Grew , noeud vital of Lamarck , limes communis , or fundus plantæ , of Jungius , ) and has been thought by some to be the seat of vegetable vitality ; an erroneous idea ...
Page 81
... portion of the stem of such plants when they are not caulescent . It is composed of cellular tissue , traversed by bundles of vessels and pleuren- chyma , and has often the form of a flattened disk . The fleshy " root " of the Arum ...
... portion of the stem of such plants when they are not caulescent . It is composed of cellular tissue , traversed by bundles of vessels and pleuren- chyma , and has often the form of a flattened disk . The fleshy " root " of the Arum ...
Page 88
... portion lying next the alburnum . But it is necessary to look at the organisation of the bark with more precision , if we are to understand all the peculiarities found in its many modi- fications . It appears to me that the observations ...
... portion lying next the alburnum . But it is necessary to look at the organisation of the bark with more precision , if we are to understand all the peculiarities found in its many modi- fications . It appears to me that the observations ...
Page 90
... portion , which then dies and drops off in the manner with which we are all familiar . The scales pro- duced by this formation of epiphlæum inside the liber or mesophlæum Mohl calls Rhytidoma , from puris , a wrinkle . ( Ann . des ...
... portion , which then dies and drops off in the manner with which we are all familiar . The scales pro- duced by this formation of epiphlæum inside the liber or mesophlæum Mohl calls Rhytidoma , from puris , a wrinkle . ( Ann . des ...
Page 92
... portion of the vascular system which is first generated is in immediate contact with the pith , to which it forms a complete sheath , interrupted only by the passage of the medullary rays through it . It consists of spiral vessels and ...
... portion of the vascular system which is first generated is in immediate contact with the pith , to which it forms a complete sheath , interrupted only by the passage of the medullary rays through it . It consists of spiral vessels and ...
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Common terms and phrases
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
Popular passages
Page 593 - Dr. Ure's Dictionary of Arts, Manufactures, and Mines : Containing a clear Exposition of their Principles and Practice.