238 MISS L. 8. GIBBS ON THE FLORA AND PLANT FORMATIONS 
SCYTONEMA COACTILE, Mont. in Kütz. Sp. Alg. 305 (1849). 
Sarawak, Matang, 1000', in running water. March. 4403. Sheath 
18-25 broad, filaments 15-17 w broad, 10-20 u long. 
Distrib. Antilles, Bourbon ; E. Indies. 
SCYTONEMA VARIUM, Kiitz. Sp. Alg. 307 (1849). 
Sarawak, Matang, ditch on bridle-path, 200' March. 4405. Sheath 
10-12 u broad, filament 5°5 p broad. 
Distrib. Borneo. Europe, N. & S. America, Sandwich Islands, Ceylon, 
Java, Tahiti, Australia. 
ToLYPOTHRIX SETCHELLII, Collins, Some perf. Alge in Erytrea, v. (1897) 
95, t. 4. ff. 1-5. 
Sarawak, Matang, 1000’, in running water. March. 4403. Sheath 6*6, 
filament 4:3 u, cells quadrate. 
Distrib. N. Africa. 
HAPALOSIPHON INTRICATUS, West § G. S. West in Journ. Linn. Soe., Bot. 
xxx, (1894) 271, t. 15. ff. 16-28. 
Sarawak, Matang, 2800’, on Sphagnum. March. 4411. Filaments and 
branches from 4:5 to G broad, heterocysts from 4:2-4—5 broad and up to 
9 u long. Sarawak, Matang, in mud on pipe-traek. March. 4402. 6°6 
broad. 
Distrib. Great Britain, Prussia, Dominica. 
HapaLosipHon Baronu, West & G. S. West in Trans. Linn. Soc. ser. 2. 
Bot. ii. (1895) 85, t. 5. ff. 21-24. 
Sarawak, Matang, 2800', on Sphagnum. Mareh. 4411. Filaments 
8-10 broad. Matang, 2500', on stones in forest. March. 4407. 7-102 
mo 
broad. 
Distrib. Madagascar, India, and Brazil. 
*SrIGONEMA MINUTUM, Hass. Brit. Freshw. Alg. 230, t. 67. ff. 3, 4. 
Kinabalu, summit plateau, 13,000', on rock. Feb. 4213. A form with 
the branches not crowded ; filaments 20-22 u broad, cells 11:5-13 p broad. 
Distrib. Europe, India, Central Africa, N. & S. America, Sandwich 
Islands, Dominiea, Java. 
*STIGONEMA OCELLATUM, Thur. Ess. 380. 
Kinabalu, summit plateau, 13,000', on rock. Feb. 4213. Filaments 
25-28 p broad. 
Distrib. Europe, N. America, Sandwich Islands, Dominica, Antilles, 
Japan, N. Caledonia, Australia, Tasmania. 
