EUNOTIACEAE. 
Genus Eunotia Ehr. 
19. E. lunaris (Ebr.) Grun. in Van Heurck Synops. Diat. p. 144, t. 35, £, 3-4, 
6. (Synedra lunaris Ebr. W. Sm. Brit. Diat. 1, Pp. 69, t. 11, f. 82.) 
£1. 
Var. maxima Meister, Kieselalg. Schweiz, 1912, p. 83, t. x 
Hab. Ditch at edge of rice field, near Sadiya (32683). 
20. E. pectinalis (Dillw.) Rabenh. Flor. Eur. Alg. 1, 1864, p. 73 (Himanti- 
dium pectinalis Kiitz. Bacill. t. 16, f. 2).. 
Hab. Mountain of Tonglu at 10,000 ft. (27737). 
21. B. praerupta Ehrenb. 
Var. bidens (Ehrenb.) Grun. (Hunotia bidens) W. Sm. 
Hab. Ditch at edge of rice field, near Sadiya (32683). 5 igenenty of, 
92. E. impressa Ehr. 1854. Meister, Kieselalg. Schweiz, 1912, P- 85, t. % 
seuay 
Hab. With the preceding species (32683). 
. E. major (W. Sm.) Rabenh. Van Heurck Synops. t. 34, £14. 
Hab. With the preceding species (32689). 
. E. gracilis (Ehr.) Rabenh. Van Heurck Synops- 
Hab. With the preceding species (32683). 
bo 
ow 
bo 
rs 
42 Bo, . 1 and 2, 
Genus Desmogonium Grun. 
25. D. Rabenhorstianum Grun. Diat. u. Desm. Insel Banka: p- 6, *- i; f. z 
Long. frust. 150 p; lat. 6 wp. 
Hab. In shallow still water, Haflong (32700). 
The peculiar branched colonies of this Diatom were quite frequent. ie 
frustules were slightly curved, not in the least capitate at the apex, and Tr 
marginal granules were not nearly as prominent a6 figured by Grunow- 
ACHNANTHACEAE. 
Genus Achnanthes Bory. 
26. A. Biasolettiana Grun. Van Heurck Synops: *- aM sibdiity the Side 
Hab. In-the River Dihang between >uak an ada ae 
River (37689), see B2 
