Desmids from Thailand and Malaysia

22. CL Iineatum Ehrenb. Pl.11, f.7.
West 1904, 181, Pl.24, f.1-5; Krieger 1935, 349, Pl.32, f.1-2.
L. 601 ptm, B. 33 pm. Cells slightly curved, approximately 18 times longer than the
breadth, and the median part straight and parallel. St. 22. Cosmopolitan.
23. Ct. littorale Gay
West 1904, 155, Pl.19, f.14; Krieger 1935, 298, Pl.20, f.3-5; F6rster 1982, 88, Pl.10,
f.13,14.
L. 158 ptm, B. 23 ptm. St. 22. Japan, Europe, N.America.
24. Cl. malinvernialiforme GrOnblad
Krieger 1935, 282, Pl.17, f.2,3.
L. 139 um, B. 29 ptm. The specimens examined are somewhat smaller than the Euro-
pean forms described by Krieger, and more broadly rounded at both ends. They are
also similar to Cl. ehrenbergii var. malinvernianum (DeNot.) Rabenh. but smaller in
size. St. 22. Europe, N. & S.America. New to Thailand.
25. CL moniliferum (Bory) Ehrenb. var. moniliferum
West 1904, 142, Pl.16, f.15,16; Krieger 1935, 289, Pl.18, f.6,7.
L. 198-484 xtm, B. 40-70 "m, Sts. 8,9,11,34,44,48. Cosmopolitan.
25a. var. concavum Klebs Pl.1, f.10; Pl.6, f.1.
Krieger 1935, 291, Pl.18, f.8; Prescott et al. 1975, 71, Pl.21, f.10.
L. 207-277 gm, B. 41-44 um. Sts. 4,17, Europe. New to Thailand.
26. CL navicula (Breb.) Ltitkem.
Krieger 1935, 257, Pl.12, f.8-10; FOrster 1982, 92, Pl.3, f.14-16.
L. 30-31 Itm, B. 9-9.5 I,tm. Sts. 17,22,31,45,47. Cosmopolitan.
27. Cl. nematodes Joshua Pl.7, f.4,5.
Joshua 1886, 370, Pl.37, f.1,2; Krieger 1935, 370, Pl.37, f.1,2; FOrster 1982, 93, Pl.10,
f.5.
L. 220-242 gm, B. 24-27 "m. Sts. 11,18,19,49. India, Ceylon, Burma, Indonesia
(Java), Japan, Africa, New Zealand.
28. CL parvulum Nag. var. parvulum Pl.1, f.5.
West 1904, 133, Pl.15, f.9-12; Krieger 1935, 275, Pl.16, f.14-17; F6rster 1982, 95,
Pl.8, f.15-17.
L. 97-145 ym, B. 12-15.5 #m. Sts. 2,18,21,22,30,31,32,36,43,44,45,47,50. Cosmo-
politan.
28a. var. angustum W.&G.S.West Pl.1, f.6; Pl.3, f.10.
West 1904, 134, Pl.15, f.13,14; Krieger 1935, 277, Pl.16, f.20,21.
L. 62 ptm, B. 5-6 ptm. Sts. 20,26. Cosmopolitan. New to thailand.
29. Cl. pritchardianum Archer Pl.6, f.3.
West 1904, 172, Pl.22, f.6-14; Krieger 1935, 321, Pl.25, f.1-4; FOrster 1982, 98, Pl.7,