282 



BOTANY. 



the herbarium, sends up vertical hyphse, which swell up at 

 th# top, and bear a large number of small protuberances or 

 branches, the sterigmata (A, c, st, Fig. 191). Each sterigma 

 produces gradually a long chain of conidia, so that each 



Pig. 191. Evrotium repens. A,& portion of the mycelium, with erect hypl 

 hearing at its top a radiating cluster of Bterlgmata, st, from which the conjoin 

 fallen ; as, yourg cm -polonium below it a younger branch is beginning to coil 



low it a younger branch is beginning 

 /;, the carpogonium, ax, and the anth 



hypli.-i. r, 

 njoin hiive 



spi- 



rally to form another carpogonium. /;, the carpogonium, ax, and the antheridiuni, p. 

 C, the same banning t<> be nrrounded by the enveloping branches wlrch grow out 

 from its base. D, gporocarp. K, F, sections of unripe sporoearps ; jo. outer wall : 

 f. inner cells of sterile tissue ; a*, developing ciirpogoniiim, giving rise to branches 

 Irom which asci are produced. G, an ascus containing eight ascospores. //, ripe as- 

 cospore. Highly magnified. After De Bary. 



vertical hypha is terminated by a round mass, made up of 

 these radiating strings of conidia. The sexual organs appear 

 a little later than the conidia. The end of a branch of the 

 mycelium becomes coiled into a hollow spiral (A, as, Fig. 



