An Introduction to BotanyLongman, Orme, Brown, Green, and Longmans, 1839 - 594 sidor |
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Sida 15
... former all tissue in which the bladders ( Plate I. fig . 1 , 3. 6 , 7 , & c . ) have truncated extremities ; and to the latter , forms of tissue in which the bladders taper to each end , and , consequently , overlap each other at their ...
... former all tissue in which the bladders ( Plate I. fig . 1 , 3. 6 , 7 , & c . ) have truncated extremities ; and to the latter , forms of tissue in which the bladders taper to each end , and , consequently , overlap each other at their ...
Sida 25
... former are of very rare occurrence . ( Fig . 7. ) This is the finest and the commonest of all ; and is also the most genuine state of woody tissue . 2. The second kind of woody tissue is the glandular . This has hitherto been examined ...
... former are of very rare occurrence . ( Fig . 7. ) This is the finest and the commonest of all ; and is also the most genuine state of woody tissue . 2. The second kind of woody tissue is the glandular . This has hitherto been examined ...
Sida 41
... him , is sufficient to distinguish samples really from China and Turkey , from those produced in Europe . The former abound in these crystals , the latter have hardly any . They are insoluble in alcohol , water , CHAP . I. 41 RAPHIDES .
... him , is sufficient to distinguish samples really from China and Turkey , from those produced in Europe . The former abound in these crystals , the latter have hardly any . They are insoluble in alcohol , water , CHAP . I. 41 RAPHIDES .
Sida 52
... former line of contact there is an opening so distinct and wide as to be equal to half the dia- meter of one of the kidney - shaped bodies . This structure of the stomate in Crinum amabile may be taken as the type of all others ; for ...
... former line of contact there is an opening so distinct and wide as to be equal to half the dia- meter of one of the kidney - shaped bodies . This structure of the stomate in Crinum amabile may be taken as the type of all others ; for ...
Sida 62
... former . When hairs arise from one surface only of any of the appendages of the axis , it is almost always from the under surface ; but the seed - leaves of the nettle , and the common leaves of Passerina hirsuta , are mentioned by De ...
... former . When hairs arise from one surface only of any of the appendages of the axis , it is almost always from the under surface ; but the seed - leaves of the nettle , and the common leaves of Passerina hirsuta , are mentioned by De ...
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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
Populära avsnitt
Sida 593 - Dr. Ure's Dictionary of Arts, Manufactures, and Mines : Containing a clear Exposition of their Principles and Practice.