. Foundations of botany. Botany; Botany. 246 FOUNDATIONS OF BOTANY continuity of the cell-cavity and (in young plants growing on soil) search for root-like portions, in those growing in water for branch- ing portions, and fruiting, organs in the form of swellings or short lateral branches. With a power of about thirty to sixty diameters sketch a selected plant of moderate extent as nearly complete as possible or else. Fig. 180.— Vaucheria synandra. A, a filament with archegonia and antheridia (considerably magnified); B, part of same much more highly magnified; o, oogonium; a, antheridium; C,
. Foundations of botany. Botany; Botany. 246 FOUNDATIONS OF BOTANY continuity of the cell-cavity and (in young plants growing on soil) search for root-like portions, in those growing in water for branch- ing portions, and fruiting, organs in the form of swellings or short lateral branches. With a power of about thirty to sixty diameters sketch a selected plant of moderate extent as nearly complete as possible or else. Fig. 180.— Vaucheria synandra. A, a filament with archegonia and antheridia (considerably magnified); B, part of same much more highly magnified; o, oogonium; a, antheridium; C, a later stage of B; B, end of a filament with a zoospore, z, escaping (highly magnified). sketch a portion showing the branching and a root-like portion. Note and indicate the absence or presence and arrangement of chlorophyll. Can Vaucheria probably use carbon dioxide ? 284. Reproduction in Vaucheria. — Make an outline sketch of fruiting organs, if found. See if any filaments can be found with the contents massing or escaping at the tips. In some species. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Bergen, Joseph Y. (Joseph Young), 1851-1917; Eastwood, Alice, 1859-1953. Boston, Ginn & Co.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbotany, bookyear1901
