OF MT. KINABALU AND BRITISH NORTH BORNEO, 223 
Cosmarium HAMMERI, Reinsch, Alyen u. von Franken, iii. t. 10. f. 1 (sub 
Didymidio) exel. C. octogibboso, Reinsch. 
Sarawak, Matang, 1000’, pipe-track, on damp wood. March. 4406. 38-48 
x 21:5-31:5 u. 
Distrib. Europe, N. America, Burma, Sumatra, Singapore, India, Ceylon, 
New Zealand, Australia, Central & E. Africa, Brazil, Paraguay, Patagonia. 
CosMARIUM IMPRESSULUM, Elf. Anteckninger om finska Desmidie, t. 13. 
f. 9. 
Melalap, 800’, on log in river. Jan. 2767. 20x17 a small form with 
undulations less pronounced than usual. 
Distrib. (of type). Europe, Faeroes, Siberia, Japan, India, Australia, New 
Zealand, Azores, W. & E. Africa, United States, Brazil, Argentina, 
Patagonia. 
Cosmarium LEVE, Rabenh. Fl. Eur. Alg. iii. 161 (1868). 
Melalap, 800', on log in river. Jan. 2767. 20x 16°5 p, a relatively wide 
form. Sarawak, Matang, 1000’, on damp wood. March. 4406. 24x15'6 y. 
Distrib. Europe, tropical Africa, India, Ceylon, Burma, Siam, Australia, 
Madagascar, Azores, United States, W. Indies, Ecuador, Uruguay, Argen- 
tina, Patagonia, Faeroes, Nova Zembla. 
CosMARIUM MARGARITATUM, Roy iy. Biss., f. minor, W. & G. S. West in 
Journ. Bot. xxxv. (1897) 121. 
Tenom, 700', among submerged alge in ditch. Jan. 3080. 64-66x 
53—55 p. 
Distrib. Europe, Greenland, Ceylon, Singapore, W. & Central Africa, 
United States, W. Indies, Brazil. 
CosmMARIUM MINIMUM, W. à (z. S. West, in Trans. Linn, Soc. ser. 2. Bot. v. 
(1895) 58, t. 8. f. 10. 
Tenom, 700’, among Nuias in stagnant pool. Jan. 2819. 10x95 u. 
Distrib, Ceylon, Madagascar, W. Africa. 
(OSMARIUM PSEUDONITIDULUM, .Vordst., var. VALIDUM, W. & G. S. West, 
Brit. Desmidiacea, ii. 196, pl. 63. ff. 27-30 (1905). 
Tenom, among {colla in ditch. Jan. 2816. 51x43. 
Distrib, Great Britain, Norway, Ceylon, India, Singapore, Azores, 
W. Africa. 
*('OSMARIUM RENIFORME, Arch. in Journ, Bot. xii. (1874) 92. 
Kinabalu, summit, 12,500’, where Kadamaian streams over granite. Feb. 
4211. A form 48 x 41 p. 
Distrib, Europe, N. & S. America, Faeroes, Greenland, Spitzbergen. 
