PLATE XXXI. 
iat 


— 











Teg dly 5O MICRONS | 
Page 
Figs. 270 and 271. Oedogonium taphrosporum Nord. and Hirn. (Redrawn 
PROMIMELUTI)': 2.9.5 30 oo 8 lk ood Ss 8 Ss oe ge ee ee 97 
Figs. 272-274. Oe. verrucosum Hallas. (Redrawn from Hallas)........:..... 95 
Figs: 270 ande276. (Oexamericanim Iiranseau. eo. eee ee C7 



