An Introduction to BotanyLongman, Orme, Brown, Green, and Longmans, 1839 - 594 sidor |
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... botanists , upon some points connected with this subject , so that it has been found expedient to enter occasionally into much detail , for the purpose of satisfying the student of the accuracy of the facts and reasonings upon which he ...
... botanists , upon some points connected with this subject , so that it has been found expedient to enter occasionally into much detail , for the purpose of satisfying the student of the accuracy of the facts and reasonings upon which he ...
Sida 5
... botanists , who have described the existence of holes or pores in the membrane of tissue , and have even thought they saw a distinct rim to them ; but this idea , which originated in imperfect observation with illcon- structed glasses ...
... botanists , who have described the existence of holes or pores in the membrane of tissue , and have even thought they saw a distinct rim to them ; but this idea , which originated in imperfect observation with illcon- structed glasses ...
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... botanist , in the course of his inquiries into the structure of this plant , found that in all cases one tube or utricle generated another externally , so that sometimes the membranes of newly - formed tissue had the appearance of ...
... botanist , in the course of his inquiries into the structure of this plant , found that in all cases one tube or utricle generated another externally , so that sometimes the membranes of newly - formed tissue had the appearance of ...
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... botanist , such nuclei not only occasionally appear on the cuticle of some plants ( Plate III . fig . 9. ) , in the pubescence of Cypripedium and others , and in the internal tissue of the leaves , but also in the cells of the ovule ...
... botanist , such nuclei not only occasionally appear on the cuticle of some plants ( Plate III . fig . 9. ) , in the pubescence of Cypripedium and others , and in the internal tissue of the leaves , but also in the cells of the ovule ...
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... Botanists were formerly not agreed upon the exact nature of the epidermis ; while some inclined to the opinion that it is an external layer of cellular tissue in a compressed state , others , among whom were included both Kieser and ...
... Botanists were formerly not agreed upon the exact nature of the epidermis ; while some inclined to the opinion that it is an external layer of cellular tissue in a compressed state , others , among whom were included both Kieser and ...
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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
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Sida 593 - Dr. Ure's Dictionary of Arts, Manufactures, and Mines : Containing a clear Exposition of their Principles and Practice.