FRESHWATER ALGAE FROM INDIA, | 293 
Genus Staurastrum Meyen. 
_ 
a 
oS 
_ §. apiculatum Bréb. Liste Desm. 1856, p. 142, t. 1, £ 23. 
Long. 26p ; lat. 34y ; lat. isthm. 7p. 
Hab. With the preceding species (32683). 
‘177. 8. comatum R. & B. Jap. Desm. 1886, p. 237. (8. wee var, con- 
natum Lund. 1871, p. 60). 
Hab. With the preceding species (32683). 
178. S. leptodermum Lund. Desm. Suec. 1871, p. 58, +. 3, f. 26. 
Var. Ikapoe (Schmidle) W. & G.S. West, Alg. Burma 1907, p- 211, 
t.15, £.5,6.  (S. [kapoe Schmnidle in Engl. Botan. Yahrb. 1902, p. 74). 
Long. sine sp. 40 p.; cum sp. 55 p; lat. 31 y; lat, isthm. 23.” 
Hab. With the preceding species (32683). 
179. 8. unieorne Turn. Alg. E. India 1893, p. 107, t- 15, f 
Long. 23 w; lat. sine sp. 23 p; cum sp. 33-37 p; lat. ‘ae 69 
Hab. With the preceding species (32683). 
180. S$. cuspidatum Bréb. in Ralfs Brit. Desi. 1848, p. 122, t. 21, f. 1, t. 33, 
Forma ineurva Heimerl, Desm. alp. ‘1891, p- 604, t. 5, £ 19. 
Hab. With the preceding species (32683). 
181. 8. bifidum Bréb. in Ralfs Brit. Desm. 1848, p. 215. 
Hab. With the preceding species (32 683). ; 
The spines were, as a rule, never in the same plane (of. W. & G8. West, 
Alg. Ceylon, 1902, p. 176). : 
182. S, striolatum (Nag.) Arch. eigen. Infus. 1861, 
West, Brit. Desm. 1911, p.1 
Hab. Non-permanent stream, vata (33019). 
183. §. punctulatum Bréb. in Ralfs Brit. Desm. 1848, P- gues: “ 
Var. Kjellmani Wille: W. & G. 8. West, Brit. Desm. 1911; p- ? 
Long. 23 p ; lat. 16-19 pw; lat. isthm. 8 pb. 95390). 
Hab. Shallow still water Haflong (32683)5 ( / 
The specimens were much smaller than usual. 
184, 8. dilatatum Ehr. Inf. 1838, p. 143, a0; f. 
Desm. 1911, p. 172. e 
Long. 32°5 wp; lat. 26; lat: isthm.. J 
Hab. On the Mountain of Tonglu at 10, ot ft. Coe csagah oon 
The specimens were usually triangular )J0) he end vi ss ond the other 
Specimen was observed in which one semicall ¥ ‘ cng 
quadrangular. 
185. §. tetracerum Ralfs Brit. Desm. 1848, p- p- 137, : ee 
Hab. In ditch at edge of rice field near Sadiys ( 
p. 740; Ww. &G.58. 
ats W. & G. S. West, Brit. 
