. Botany for high schools and colleges. Botany. tia are escaping. Tulasne, Magnified.—After gyne ; some of these united them- 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 ,. . Fig. 207.—^d'^ol CoUema Tnicrophyllvm. Af division ; as a re- section of thallns; a, a, hyphse; ft, 6, the Nortoc-li


. Botany for high schools and colleges. Botany. tia are escaping. Tulasne, Magnified.—After gyne ; some of these united them- 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 ,. . Fig. 207.—^d'^ol CoUema Tnicrophyllvm. Af division ; as a re- section of thallns; a, a, hyphse; ft, 6, the Nortoc-like- ij. jj XT,' ; c. ascogonium; d, the exserted trichogyne. J5, SUltJ 01 tniS, tne the ppermatla, ft, surrounding the exsorted trlcliogyne, a. ov,i«„1 „««„«™„. J. 0, coalescence of a spermatinm, 6, with trichogyne. a. spiral arrangement a11 the figures magDifled, S and (7 much more than .A.— of the cells be- After Sta'il. comes less and less conspicuous, for the cells gradually sepa- * " Ueber die QescUlechtliche Fortpflanzung der Collemaceen," 1877 (On the Sexual Organs of the CoUemacese). A brief synopsis of Stahl's results appeared in the Qr. Jour, of Mic. Science, October, 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


Size: 1873px × 1334px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1880, booksubjectbotany, bookyear1888