PLATE XL. 



Figures magnified 500 diameters. 



Figs. 1. 



> l \ri: 18TRTTM 

 St \ri: wiimm 

 Si \i RASTRl M 

 11. Sl\l l; \-| Kl M 

 Si H RASTRl M 

 Si \i RASTRUW 

 Si \i RA81 Rl M 

 - Mi; IS! RUM 

 STA1 i: LSTR1 M 

 Si M RA81 RUM 

 STAl B v~ I i: i M 

 v l \l l:\-HMM 

 S i \i RASTRl M 

 STAUR \-l Rl U 

 STAUR \-timm 

 STAURA81 Rl M 



I' USE. 



i:i;i :v!-i-in \. Var., front and end view, . 121 



Y;u\ inerme, . 1 22 



I >* Kin. two aspects, . . . L22 



mi i > ii m. Var. corn ergens, . . 1 25 



\';ir. mucronatum, . .121 

 1 1 : i ii i . i i : \ i.i: in three aspects, . . 12."> 



iRISl ii i .1:1 m. 122 



i>i:.ii:< ii m, four forms and a zygospore, 122 



I I 8PIDA1 IM, . . . . 123 



Lewish, front and end view, . 122 



1 1 : i ii i i m. front ;ml end dew, . . 123 



\V|i I I I \i. . . . . 123 



COMMl I \ I l M. . . . . 124 



Kin mi. ii. two views, , . . 116 



BB V HI VI I M. . . . . 124 



ri ri \ii m, ;i form of :i variable species, L50 





