Plate XXXII; Figures 210 to 216. 



Fig. 210. Chroococcus cohcvrcns (Breb.) Nag. page 14 



Fig. 2io<7. (1000 diam- 



eters) ...... 



Fig. 211. Nostoc minutissimus Kiitz. . . 21 



Fig. 21 la. Single 



thread ( 1000 diameters) 



Fig. 212. Tetraspora htbrica (Roth.) var. 



lacunosa Chand. .... 30 



Fig. 212a. Tetraspora htbrica var. lacunosa 

 Chand. (1000 diameters) 



Fig. 213. Sorastrum spinulosum Nag. (1000 

 diameters) ..... 



Fig. 214. Ghrotrichia pisym (Ag.) Thur. 



Fig. 215. Hydrodictyon reticulatum (L.) Lag. 



a. Natural size 



b. Young colony, slightly magnified 



c. Full grown colony, highly magnified 

 Fig. 216. Microspora WittrockU (Wille) Lag. 



