214 



CLASS ASCOMYCETEAE 



Fig. 71. Laboulbeniales, Family Laboulbeniaceae. Stigmatomyces haeri (Knoch) 

 Peyritsch. (A) Mature plant showing at the left the appendage with sevei-al antherids 

 and at the right the enclosed oogone with its papillate trichogyne. (B) The fertilized 

 oogone has divided into two basal cells and several upper cells. (C) Asci are budding 

 out of some of the upper cells. (D) An ascus. (E) Two antherids with escaping sperms. 

 (F) Amorphomyces falagriae Thaxt., adjacent male and female plants. (G-J) Zodio- 

 myces vorticellarius Thaxt. (G) Mature plant. (H) Antheridial branch with exogenous 

 sperms. (I) Oogonial branch with trichogyne and attached sperm. (J) Mature asco- 

 carp. (After Thaxter: Mevi. Am. Acad. Arts Sci., 12:195-429.) 





