PLATE LI. 



Figures magnified oOO diameters. 



Page. 



Figs. 1, 2. Stadkastkbti bkevispina, Var., front and end views, . 134 



" 3,4. " " Vaf. inerme, 134 



" 5, 6. Stattrasteum Dickiei, two aspects, . . 1.35 



" 7, 9, 10, 11. Stattbastrum dejectum, Var. convergens, . . 134 



Fig. 8. " " Var. mucronatum, . . 134 



Figs. 12-14. Statjkasteum trlhedrale, in three aspects, . 136 



" 15, 16. StAURASTBUM AKISTIFEBtlM, .... 135 



" 17-22. Stauhastbum dejectum, four forms and a zygospore, 134 



" 23, 25. Statjrastrdm ctrsproATnM, .... 135 



" 26, 27. Staurastkdm Lewish, front and end views, . . - 135 



" 28, 29. STAtTRASTBTTM TRITIDUM, front and end views, . 136 



" 30, 32 Staurastrtjm avicdlum, . . . 136 



" 33, 34. StAURASTKUM COMMDTATtlM, .... 136 



" 35, 36. StAURASTBUM Kitchelii, two views, . 165 



" 37-39. Staueastbum brachiatum, . . 136 



" 40, 41 StAURASTBUM eurcatum, a form of a variable species, 165 



