INDIAN FRESH WATER ALGtE. 



(Where no habitat is stated, Bengal is understood as the localitv). 



Class. I. PHYCOCHROMOPHYCE^E, Rabh. 

 Cohors 1. CYSTIPHORjE, Rabh. 



Ord. I. CHROOCOCCACEiE, Njsg.; Einz. Alg. p. 44. 



Gen. 1. Chroococcus, N.eg., 1. c. p. 45. 



1. Ch. ( minor 0, N.eg., p. 47, t, I, A f. 4. 

 Northern India. 



Gen. 2. Gloeocapsa, (Kutz.) Keg. 

 1. G. atrata, Kutz. Phyc. Gerni. p. 151; N^eg. einz. Alg. p. 47, t. I, F f. 1. 

 Northern India. 



Gen. 3. Merismopoedia, Meyen, sec. N^eg. 

 1. M. glauca, (Ehbb.) N.eg., Einz. Alg. p. 55, t. I, D f. 1; Gonium glaucum, Ehrb. sec. 



N^g. 1. c. 



Northern India. 



Gen. 4. Tetrapedia, Reinsch, Alg. Frank. p. 37. 

 1. T. gothica, Reinsch, 1. c., t. II, f. 1 c d. 



Northern India. 

 '2. T. foliacea, n. sp. Species habitu fere ut in T. Crux-Michaeli Reinsch, 1. e. p. 38, 

 t. I, f. VI, sed lateribus convexo-foliatis; a latere visa acuto-lanceolata, medio panllo 

 constricta, apicibus quasi mucronatis. Wallich Mscr. No. 311. 

 Long. et lat. 11, crass. 3 ,«. 

 T. XX, f. 18*1,000, after G. C. \Y. 



Wallich styles the divisions »3 lobed». The specimen figured is apparently in 

 a state of tission. 

 3. T.? Wallichiana, n. sp. Quadratica, forma fere exacte Crux Melitensis», sed angulia 

 rotundatis; quoque angulo mucrone acuta parva raunito. Wallich Mscr. No. 324. 

 Long. et lat. 10—12 //. 

 T. XX, i', lo x L,ooo. 



