. Plant studies; an elementary botany. Botany. JPt 'â Fig. 240. Peronospora, one of the Phycomycetes, ehowing at a an oogonium (o) con- taining an egg, and an antheridium (n) in contact; at o the antheridial tube pene- trating the oogonium and discharging the contents of the antheridium into the egg; at c the oogonium containing the oospore or resting spore.âAfter In certain conditions special branches arise from the mycelium, which organize antheridia and oogonia, and remain within the host (Fig. 240). The oogonium is of the usual spherical form, organizing a single egg. The an-. Ple
. Plant studies; an elementary botany. Botany. JPt 'â Fig. 240. Peronospora, one of the Phycomycetes, ehowing at a an oogonium (o) con- taining an egg, and an antheridium (n) in contact; at o the antheridial tube pene- trating the oogonium and discharging the contents of the antheridium into the egg; at c the oogonium containing the oospore or resting spore.âAfter In certain conditions special branches arise from the mycelium, which organize antheridia and oogonia, and remain within the host (Fig. 240). The oogonium is of the usual spherical form, organizing a single egg. The an-. 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 Coulter, John Merle, 1851-1928. New York, D. Appleton and Company
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