Desmids from Thailand and Malaysia

10 M. HIRANO
politan.
7. CL cornuEhrenb.
West 1904, 157, Pl.20, f.1-5; Krieger 1935, 269, Pl.15, f.5-9.
L. 127-130 xtm, B. 8-9 ptm. Sts. 17,52. Cosmopolitan.
8. CL cynthia DeNot. var. cynthia
West 1904, 113, Pl.11, f.1-3; Krieger 1935, 365, Pl.35, f.6-10.
L. 66-103 ptm, B. 9-11 ,ttm. Sts. 17,19,39. Cosmopolitan.
8a. var. ienneri (Ralfs) Krieger
Krieger 1935, 366, Pl.36, f.2.
L 66-112 ptm, B. 9-11 Ltm. Sts. 1,8,18. Cosmopolitan.
9. Cl. dianae Ehrenb. var. dianae
West 1904, 130, Pl.15, f.1-6; Krieger 1935, 294, Pl.19, f.9-11.
L. 264-290 ptm, B. 22-35 ptm. Sts. 2,14,20,25,33,36,43,44,51.
9a. var. arcuatum (Br6b.) Rabenh.
West 1904, 131, Pl.15, f.21,22; Krieger 1935, 295, Pl.19, f.12.
L. 194 ptTrl, B.13 ptm. St.53. Cosmopolitan. New to Thailand.
9b. var. minus (Wille) SchrOder
Krieger 1935, 296, Pl.19, f.15.
L. 110 ptm, B. 13 "m. St. 53. Japan, Europe, Africa. New to Thai
10. Cl. ehrenbergii Menegh. var. ehrenbergii
West 1904, 143, Pl.17, f.1-4; Krieger 1935, 285, Pl.17, f.1, Pl.18, f.1.
L. 300-360 ptm, B. 70-110 ptm. Sts. 17,22,26. Cosmopolitan.
10a. var. matinvernianum (DeNot.) Rabenh. Pl.1, f.9;
Krieger 1935, 287, Pl.18, f.2; F6ster 1982, 79, Pl.11, f.7.
L. 158 ptm, B. 32 ptm. Cells smaller than those of European forms. Sts.
Europe, N. & S.America, Africa. New to Thailand.
11. Cl. exiguum W. & G.S.West
Ruzicka 1977, 100, Pl.7, f.21,22.
L.68 ptm, B.4.5 Ltm. The specimens examined seem to be identical with Cl. parvulum
Nag. var. angustum W. & G.S.West described in Krieger 1935, p.277, Pl.16, f.20,21.
Cells strongly curved, non-tumid at the middle, gradually attenuated to the apex which
is obtuse at the end; cell wall smooth and colourless. The specimens are also similar to
Cl. acutum Breb. var. variabile (Lemm.) Krieger. St. 13. Europe. New to Thailand.
12. Cl. flaccidum Delp. Pl.1, f.7.
Delponte 1877, Mem. R. Acad. Sci. Torino, II, 28, p.101, Pl.18, f.34-36; Prescott et
al. 1975, 52, Pl.25, f.1.
L. 70-116 #m, B. 12-22 ptm. Sts. 32,51. Europe. New to Thailand.
Pl.3, f. 13; Pl.7 ,
Cosmopolitan.
land.
Pl.2, f.7.
Pl.7, f.8.
Pl.2, f.6.
Pl.6, f.8.
f.3.
22,30.