138 



COMPARATIVE MORPHOLOGY OF FUNGI 



Dangeard, 1907). When the copulation branches have attained a 

 certain length, their tips come in contact, whereupon they abjoint from 



Fig. 84. — Dipodascus albidus. 1. Young copulation branches not yet abjointed. 2. 

 Diploid nucleus in female copulation branch. 3. First step in division of diploid nucleus. 

 4. Telophase of 3. 5, 6. Later stages of young ascus. 7. Nearly mature ascus, the dark 

 points indicating degenerate nuclei. (1, 2, 5 to 7 X 900; 3 X 800; 4 X 600; after Juel, 

 1902 and 1921; Dangeard, 1907.) 



the sporiferous hypha, an apical gametangium of 10 to 12 nuclei; generally 

 the septum lies near the hypha, but it may be shifted rather far toward 

 the top, in which case the gametangia rest on suspensor-like stipes. 



