PLATE CLXII. 



FIGS. PAGE 



l-l.Hyalotheca mucosa (Mert.) Ehr. 1* and 2*, X 510 ; 



3* and 4*, zygospores X 510 . . 235 



5. H. mucosa var. minor Roy & Biss. X 520 . 236 

 6-9. #. undulata West. 6 and 7, X 400 ; 8, X 520 ; 



9, showing pores, X 800 (after Liitkemuller) . 239 

 10. H. Indica Turn. X 520 . . .237 



11-15. H. neglecta Racib. 11, 12, 13 and 14, formation 

 of aplanospores, X 520 ; 15, punctate membrane 

 ofaplanospore, X 520 . . . 238 



16-18. H. dissiliens var. hians Wolle. X 400. . 234 



19. //. dissiliens var. tatrica Racib. X 520 234 



