. Botany for high schools and colleges. Botany. 202 BOTANY. rounded into an oospliere. Each antliendiuin noAv devel- ops a tubular beak-like process, which penetrates the oogo- nium {h, Fig. 178), and finally reaches the oospore (c. Fig. 178, and Fig. 179). It aj)pears that the contents of the an-. Fig. 180.—Cysfopvs candidus. A, Tnyceliiim, with yonng oogonia, og. B, oogoni- um, og ; 08, oospore ; an, antheridium. C, mature oogonium, , with oospore, os; at the left is the remnant of the antheridium. D, mature oospore seen in section. £^, beginning of germination of oospore, the endospore
. Botany for high schools and colleges. Botany. 202 BOTANY. rounded into an oospliere. Each antliendiuin noAv devel- ops a tubular beak-like process, which penetrates the oogo- nium {h, Fig. 178), and finally reaches the oospore (c. Fig. 178, and Fig. 179). It aj)pears that the contents of the an-. Fig. 180.—Cysfopvs candidus. A, Tnyceliiim, with yonng oogonia, og. B, oogoni- um, og ; 08, oospore ; an, antheridium. C, mature oogonium, , with oospore, os; at the left is the remnant of the antheridium. D, mature oospore seen in section. £^, beginning of germination of oospore, the endospore i with its contents escaping througli a rent in the epispore (or exospore). F, the endospore i filled with swarm- epores (zoospores) resting on the empty epispore. G, swarm-spores (zoospores), each with two cilia, x 400.—After De Bary. theridium pass into the oosphere, as in a short time the former is found to be empty, while the latter becomes enyel- oped in a cell-wall, and thus becomes an oospore. In the process of fertilization there are no spermatozoids, and the. 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 Bessey, Charles Edwin, 1845- [from old catalog]. New York, H. Holt and company
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