The Evolution of Plant Life: Lower FormsMethuen & Company, 1891 - 242 pages |
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Page 2
... once more to assume the active condition . In the passive condition protoplasm in many instances survives exposure to greater extremes of temperature than those given above ; many forms of fresh - water alg¿ 2 PLANT LIFE .
... once more to assume the active condition . In the passive condition protoplasm in many instances survives exposure to greater extremes of temperature than those given above ; many forms of fresh - water alg¿ 2 PLANT LIFE .
Page 3
Lower Forms George Massee. given above ; many forms of fresh - water alg¿ , common in our ponds and ditches , are sealed ... alga that flourish in water or in damp situations retain their vitality after being blown about as dry dust for a ...
Lower Forms George Massee. given above ; many forms of fresh - water alg¿ , common in our ponds and ditches , are sealed ... alga that flourish in water or in damp situations retain their vitality after being blown about as dry dust for a ...
Page 23
... ( Alga ) , where the species of Caulerpa inhabiting tropical seas are often two feet in length , and possess portions resembling root , stem , and leaf respectively . Such gigantic cells are exceptions to the rule previously stated , that ...
... ( Alga ) , where the species of Caulerpa inhabiting tropical seas are often two feet in length , and possess portions resembling root , stem , and leaf respectively . Such gigantic cells are exceptions to the rule previously stated , that ...
Page 24
... alg¿ are concerned , it appears that the morphological differ- ence between very minute and very large seaweeds consisted in the relative size and differentiation of a single cell rather than in the aggregation of numerous individually ...
... alg¿ are concerned , it appears that the morphological differ- ence between very minute and very large seaweeds consisted in the relative size and differentiation of a single cell rather than in the aggregation of numerous individually ...
Page 27
... alg¿ , also in some fungi , and portions of the tissues of flowering plants . It is due to this mucilage that the majority of algae , especially the youngest portions , adhere so firmly to paper when dried . Mucilaginous tissues become ...
... alg¿ , also in some fungi , and portions of the tissues of flowering plants . It is due to this mucilage that the majority of algae , especially the youngest portions , adhere so firmly to paper when dried . Mucilaginous tissues become ...
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Common terms and phrases
alga alg¿ 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 hyph¿ 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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