FRESHWATER ALGAE FROM INDIA. ~ 991 
Subsp. meridionale Carlson, Siissw. Alg. Antarkt. etc. 1913, p- 41, 
t. t, £. 12-14. ; : 
Long. 38. ; lat. 28y ; lat. isthm. 13y.; crass. 16y. 
Hab. On the Mountain of Tonglu at 10,000 ft. (27737). 
The specimens were-smaller and had 10 marginal crenations instead of 
14, otherwise they were exactly similar to Carlson’s figures of specimens from 
South Georgia. Gia 
~ 161. €. hexalobum Nordst. Desm. Spetsb. 1872, p. 33, +: 7,£16; W.&G. 8. 
West, Brit. Desm. 1908, p. 257. Ss r re 
Var. minus R. & B. Scott. Desm. 1894, p. 103, t. 1, £ 12. 
Long. 66p ; lat. 57; lat. isthm. 20u ; crass. 3lu. 
Hab. With the preceding species (27787). 
The specimens were nearer var. minus ID their form, but were very much 
larger. 
162. €. margaritatum (Lund.) R. & B. W. & G. §. West, Brit. Desm. 1911, 
ee Be 
. Near Nataran (27976). 
163. €. crenatum Ralfs 3 Desm, 1848, p. 96, t. 15, £ 7, be; W. & G. 8. 
West, Brit. Desm. 1911, p. 35. | 
Hab. In shady pool at 8,500 ft. above Matiana (28684). i 
164.°€. Quadrum Lund. Desm. Suec. 1871, p. 25, f. 9, t. 11; W. & G.8. 
West, Brit. Desm. 1911, p. 20. 
Hab. In non-permanent stream, Haflong (33019). &G.8 
165. €. erenatum Ralfs Brit. Deam. 1848, p. 96, t- 15, £. 7, b, ¢; phone see 
West, Brit. Desm. 1911, p. 35. 
. On the Mountain of Tonglu at 10,000 ft. (27737). 
166. €. tessellatum (Delp.) Nordst. Alg. et Char. 1880, P- 7 ; 
iessellatum Delp. Desm. subalp. 1877, P- 136, t. 21, f 1p ) 
Hab. In ditch at edge of rice field near Sadiya (32683). 948, t. 15 
167. C. eyathiforme W. & G. 8. West, N. Amer. Desm. 1896, p. 44% ® °°” 
Be 
Hab. With the preceding species (32683). 
aS Genus Xanthidiam Ehrenb. 4k Fab 
168. X. Burkillii W. & G. 8. West, Alg. Burma 1907, p. 20% © th pg ee 
Long. sine sp. 50; cum Sp- 80p ; Jat. sme sp. 5op ; 
lat. isthm. 28 ; crass. 28p. : 
Hab. In ditch at edge of rice field near Sadiya (32 
169. X. trilobum Nordst. Desm. Brasil. t. 111, i. a Hg ag 
Var. indicum var. nov. PL 1, Oe: c. non-furcatis; cel- 
Var. minor, aculeis longioribus, ad ae 8 sam in forma tYpiCd, 
lulis a vertice visis quadratis angustior ete div bus: 
polis valde retusis, angulis productis et ac a 
683). 
