The Evolution of Plant Life: Lower FormsMethuen & Company, 1891 - 242 pages |
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Page 17
... surrounded by a substance very retentive of moisture , takes a longer time to become dry than an equal amount of the same kind of matter broken up into numerous pieces . The correctness of this view is supported by the fact that the ...
... surrounded by a substance very retentive of moisture , takes a longer time to become dry than an equal amount of the same kind of matter broken up into numerous pieces . The correctness of this view is supported by the fact that the ...
Page 27
... surrounded by a cell - wall , and entirely isolated from the protoplasm of adjoining cells . This is now proved to be incorrect ; the pits , or unthickened portions of the walls of adjoining cells , are placed exactly opposite to each ...
... surrounded by a cell - wall , and entirely isolated from the protoplasm of adjoining cells . This is now proved to be incorrect ; the pits , or unthickened portions of the walls of adjoining cells , are placed exactly opposite to each ...
Page 39
... surrounded by its own layers . ( From Strasburger . ) Starch is very widely distributed in all plants except fungi , in which group it is entirely absent . It appears under the form of minute colourless grains , varying in shape , but ...
... surrounded by its own layers . ( From Strasburger . ) Starch is very widely distributed in all plants except fungi , in which group it is entirely absent . It appears under the form of minute colourless grains , varying in shape , but ...
Page 48
... surrounded by air . In aquatic plants , and those portions of terrestrial plants sur- rounded by a damp medium , as roots , the epidermis is comparatively imperfect or absent . In such simple terrestrial plants as Fungi and Lichen ...
... surrounded by air . In aquatic plants , and those portions of terrestrial plants sur- rounded by a damp medium , as roots , the epidermis is comparatively imperfect or absent . In such simple terrestrial plants as Fungi and Lichen ...
Page 75
... surrounded by the coverings of the ovule , which become converted into an external protective covering , the whole constituting a seed , and at this period corresponding to the maturity of the seed , the entire structure enters the ...
... surrounded by the coverings of the ovule , which become converted into an external protective covering , the whole constituting a seed , and at this period corresponding to the maturity of the seed , the entire structure enters the ...
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Common terms and phrases
alga algæ antheridia antherozoids apex apical cell aquatic archegonia asexual mode asexual reproductive axial basidia bearing become belonging branches called carbonic carpogonium cavity cell-division cell-wall cellulose chlorophyll cilia colour colourless conceptacles condition conjugation consists containing Crown 8vo Cryptogams daughter-cells differentiation divided division enclosed epidermis eventually ferns fertilization fibro-vascular bundles filaments flowering formation fungi fungus furnished genera genus germination give origin grow hymenium hypha hyphæ individual known latter leaf leaves lichens mass megaspores minute mode of reproduction mother-cell motile mycelium numerous oogonia oogonium oophore oosphere parasitic peridium Phanerogams phloem pileus plants Prantl present group produced prothallus protoplasm remains reproductive bodies resting-spores roots septa septum sexual mode sexual organs sexual reproduction single slender species spiral sporangia sporangium spores sporidiola sporocarp sporophore starch stem stomata structure substance superposed cells surface thallus thick thickened tissue transverse trichogyne unicellular usually vascular bundles vegetative portion wall xylem zoospores zygospore
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