PLATE XX 



Figure- magnified -i" 11 rli;i mot or;. 



P * r. f . 



Fig. 1. Tetmemorip IIrkhi-mimi. long form, . . . .91 



" 2. " - shorter and more usual form. . 91 



' .;. TETMEMORI8 i. \ i \ i-. . . . . .91 



Figs. F ' Tetmemoris Brebuvminii, Var. turgidus, two forms, fronl view. 91 

 Fig. 6. Tetmemorip (iiGANTEtis, ...... 92 



Figs. 7. >. TetmkmoKIs mini II-. conjugating and ni"ir advanced condition 



of spore, . . . . .91 



Fig. 9. zygospore ftillj developed, . . 91 



