366 



COMPARATIVE MORPHOLOGY OF FUNGI 



The antheridia are the lower cells of the appendage or its branches 

 which function as discharge tubes through which the spermatia make 

 their way. This character forms a transition to that of the Laboul- 

 beniaceae (Fig. 250, 5). 



The highest vegetative development in the order is found in Zodio- 

 myces (Fig. 246). The spore (Fig. 247, 6) germinates by forming many 



Fig. 245. — Amorphomycrs Falagriae. 1. Male and female individual developed from 

 same spore pair. Coreomyces curvatus. 2. Mature individual. 3. Upper portion of 

 young individual beginning to form the archicarp in the upper cells. 4. Older individual, 

 showing trichogyne. 5. Male appendage, showing spermatial formation. (1 X 880; 

 2 X 200; 3 X 410; 4, 5 X 705; after Thaxter, 1908.) 



transverse divisions in both segments. The distal cell gives off a variable 

 number of branches, the future primary appendage. Longitudinal divi- 

 sion sets in until there is a massive clavate structure terminated by a tuft 

 of the primary appendage (Fig. 247, 1 to 3). A more rapid growth at 

 the base of this appendage causes the wall cells of the region to arch out 

 forming a cavity within (Fig. 247, 4). As the cavity enlarges, secondary 

 appendages begin to grow upward and inward from the inner surfaces 



