THE FRESHWATER ALG OF CEYLON. 131 
A. Br, var. bicuspidatum, Borge, forma longispina, Lemmerm. in Forschungs- 
berichte Biol. Stat. Plón, 1896, p. 163 cum fig. 
Long. cell. 60 u; lat. cell. 65 u; long. spin. 30-35 4. 
Hab. Running water, Royal Botanic Gardens, Peradeniya. 
27. OPHIOCYTIUM PARVULUM, A. Br. Alg. Unicell. 1855, p. 55. Brochidium parvulum, 
Perty. 
Lat. cell. 5:5 p. 
Hab. Stream, Victoria Park, Colombo. 
Family CHROOLEPIDACE E. 
Genus TRENTEPOHLIA, Mart. 
28. TRENTEPOHLIA POLYCARPA, Nees, in Mont. Voyage de La Bonite, 184446, p. 16; 
De Toni, Syll. Algar. i. p. 238. 
Filaments a little less than those of the typical form. Zoogonidangia numerous, 
sessile, and often three or four arising laterally from the same cell. 
Crass. cell. veget. 19-22 4; crass. zoogonidang. 29-36°5 a. 
Hab. On the side of a well, Pandure. Epiphytic on shrubs, &c., Hakgala Rock. 
Probably the same species: zoogonidangia absent. Crass. cell. veget. 19-215 p. 
Hab. Bark of trees, Royal Botanic Gardens, Peradeniya. 
Also from the same locality: crass. cell. veget. 27-32 u. 
29. TRENTEPOHLIA ODORATA, Wittr. Scand. Växt. p. 16, t. 16. Chroolepus odoratum, 
Agh.; Rabenh. Flor. Europ. Algar. iii. p. 372. 
Crass. cell. veget. 12:5-17 x ; crass. zoogonidang. 22-25 p. 
Hab. Bark of trees, Royal Botanie Gardens, Peradeniya. Also on decomposing surface 
of gneiss, Matava. 
30. TRENTEPOHLIA Montis-TaBuL®, De Toni, Syll. Alg. i. p. 240.  Chroolepus Montis- 
Tabule, Reinsch, in Journ. Linn. Soc., Bot. xvi. (1877) p. 245. 
Var. CEYLANICA, var. n. Var. filamentis crassioribus, ramis erecto-patentibus, cellulis 
brevioribus, diametro 2-21-plo longioribus; membrana cellularum crassissima, ` 
oblique reticulata. 
Crass. fil. 26-34 p; crass. ram. 23-28 p ; crass. membr. cell. 3:5-6 y. 
Hab. Summit of Hakgala Rock, forming brilliant orange-red tufts on stems of Osbeckia 
buxifolia (only in very exposed situations). 
31. TRENTEPOHLIA CALAMICOLA, De Toni et Levi; De Toni, Syll Algar. i. p. 241. 
Chroolepus calamicola, Zeller, in Hedwigia, xii. 1873, p. 190. 
Crass. cell. veget. 75-10 p; crass. zoogonidang. 14°5-17 p. 
Hab. Bark of trees, Royal Botanie Gardens, Peradeniya. 
SECOND SERIES.— BOTANY, VOL. VI. 
