Manual of Phycology: An Introduction to the Algae and Their BiologyGilbert Morgan Smith Chronica Botanica Company, 1951 - 375 pagine |
Dall'interno del libro
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Pagina 98
... formation . Auxospore - Formation in Diatoms : - The diminution in size resulting from continued division is compensated sooner or later by the production of so- called auxospores . This involves an escape of the protoplast from its ...
... formation . Auxospore - Formation in Diatoms : - The diminution in size resulting from continued division is compensated sooner or later by the production of so- called auxospores . This involves an escape of the protoplast from its ...
Pagina 100
... Formation of an auxospore from a single parent - cell is also known in certain marine Araphideae , for instance in Grammatophora ( KARSTEN , 1925 ) where two nuclei are found in the enlarg- ing auxospore ( FIG . 25J ) . It is uncertain ...
... Formation of an auxospore from a single parent - cell is also known in certain marine Araphideae , for instance in Grammatophora ( KARSTEN , 1925 ) where two nuclei are found in the enlarg- ing auxospore ( FIG . 25J ) . It is uncertain ...
Pagina 330
... formation of surf - resistant Rhodophyceae especially character- ized by Iridaea . 3 ) A middle - lower littoral formation on less exposed to sheltered shores consisting of numerous associations of green and brown algae and dominated ...
... formation of surf - resistant Rhodophyceae especially character- ized by Iridaea . 3 ) A middle - lower littoral formation on less exposed to sheltered shores consisting of numerous associations of green and brown algae and dominated ...
Parole e frasi comuni
acid agar algal Algen algues anisogamous antherozoids auxiliary cell belt biflagellate Biol blue-green branches Chlamydomonas Chlorophyceae chlorophyll chloroplasts chromatophores Chrysophyceae Cladophora colony colorless contain contractile vacuoles cultures cysts cytoplasm diatoms dinoflagellates diploid division ecological epiphytic Eudorina Euglena euglenoids female gametes filamentous flagella flagellates flagellum formation forms FRITSCH Fucus fusion gametes gametophytes GEITLER genera genus germination girdle green algae grow growth Halicystis haploid Ibid isogamous IYENGAR Jour KORSCHIKOFF KYLIN Laminaria large number layer littoral longitudinal marine algae membrane MOEWUS motile Myxophyceae nitrogen nuclear nucleus occur Oedogonium OLTMANNS oogonium organic PASCHER Phaeophyceae photosynthesis phytoplankton pigments plankton plants plastids portion PRINGSHEIM production Protistenk protoplast pyrenoid rhizoids Rhodophyceae salt SAUVAGEAU sea water sexual reproduction soil species Spirogyra sporangia spores sporophyte stain starch structure studies substances surface swarmers thallus tion Ulva unicellular Untersuchungen Vaucheria vegetation Volvocales Volvox wall Xanthophyceae Zeitschr zoospores zygote