. Botany for high schools and colleges. Botany. S06.—Vertical section of epermagoniuin, from which eperma- jectinff tia are escaping. Magnified.—^After ^ ° Tulasne. gjne : selves to the trichogyne by means of a tube (C, Fig. 207). The result of this coalescence was the withering and disap- pearance of the cells of the tricho- gyne, and the growth and devel- opment of the as- cogonium. The latter process takes place as follows: " The cells of the ascogonium first of all increase in size, and then undergo division ; as a re- sult of this, the sniral ai-TaTio-Qw>Qv,+ ^' coalescence of a s
. Botany for high schools and colleges. Botany. S06.—Vertical section of epermagoniuin, from which eperma- jectinff tia are escaping. Magnified.—^After ^ ° Tulasne. gjne : selves to the trichogyne by means of a tube (C, Fig. 207). The result of this coalescence was the withering and disap- pearance of the cells of the tricho- gyne, and the growth and devel- opment of the as- cogonium. The latter process takes place as follows: " The cells of the ascogonium first of all increase in size, and then undergo division ; as a re- sult of this, the sniral ai-TaTio-Qw>Qv,+ ^' coalescence of a spermatiiim, S, wi( bpirai arrangement a11 the figures magnified, B and (7 much of the cells be- -^^st*"- comes less and less conspicuous, for the cells gradually sepa- * " Ueber die Qesclilechtliclie Fortpflanzung der Collemaceen," 1877 (On the Sexual Organs of the Collerancea;). A brief synopsis of Stahl's results appeared in the Qr. Jour, of Mic. Science, October, 1878,. -Sexnal organs of Collema mierophyllvm. A, "--"— ~ - hyphse; 6, 6, the Nortoc-like J, the exserted trichogyne. jB, Fi^. section of thallus; a. a, gonidia ; c. ascogonium; cf, the pperuiatia, 6, surrounding the exserted trichogyne, a. C, coalescence of a spermatiiim, b, with trichogyne, a, more than A,—. 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 E. (Charles Edwin), 1845-1915. New York : H. Holt
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbotany, bookyear1885
