Desmids from Thailand and Malaysia
Desmids from Thailand and Malaysia
Desmids from Thailand and Malaysia
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Desmicts <strong>from</strong> <strong>Thail<strong>and</strong></strong> <strong>and</strong> <strong>Malaysia</strong> 61<br />
f.1; Hirano 1967, Nat. Life SE-Asia 5, 10, Pl., f.2; F6rster 1982, 384, Pl.53, f.5-7.<br />
L 112-136 "m, B. 101-119 ptm, <strong>and</strong> I. 13-17.6 pm. Sts. 19,20,22,24,25,26,51,53.<br />
India, Burma, <strong>Thail<strong>and</strong></strong>, Cambodia, Japan, S.America, Australia.<br />
13a. yar. siamensis Hirano, var. nov.<br />
Var. differt a var. radiante cellulis cum lobis lateralibus et lobulis lateralibus brevibus,<br />
cum incisuris inter lobos et lobulos mediocriter profundis et elliptico apertis ad extre-<br />
mum rotundatis. Long.110 ptm, lat. 92.4 ptm, lat. isthm. 21 xim.<br />
TypeLoc. Phuket,<strong>Thail<strong>and</strong></strong>.<br />
Semicells 5-lobed, incision between polar <strong>and</strong> upper iateral lobes deep <strong>and</strong> open ellip-<br />
tically, <strong>and</strong> rounded at the extremity, lateral incisions between lateral lobes <strong>and</strong> lateral<br />
lobules open elliptically <strong>and</strong> rounded at the extremity. L. 118 pm, B. 92.4 "m, <strong>and</strong> I.<br />
21 um. St. 18.<br />
14. M. rotata (Grev.) Ralfs var. rotata Pl.28, f.3.<br />
West 1905, 2,102, Pl.48, f.1-6; Krieger & Gerloff 1939, 100, Pl.136, f.1; Ruzicka<br />
1981, 622, Pl.104, f.1-20; F6rster 1982, 387, Pl.62, f.2-5.<br />
L. 367-440 ym, B. 300-374 ptm, <strong>and</strong> I. 30-31 xtm. Sts. 37,39,40,41,44. India, Bur-<br />
ma, <strong>Thail<strong>and</strong></strong>, Singapore, Japan, Europe, N. & S.America.<br />
14a. var. curvata Hirano, yar. nov. Pl.27, f.3.<br />
Var. differt a var. rotata cellulis cum lobis lateralibus et lobulis lateralibus sursum in-<br />
teriore curvata. Long. 396 xtm, lat. 127=167 ym, lat. isthm. 39.6 Ltm. St. 44.<br />
Type: Pl.28, f.3. Loc. Doi Step, <strong>Thail<strong>and</strong></strong>.<br />
15. M. subdenticutatum (Nordst.) Krieger Pl.28, f.7.<br />
Krieger 1932, 218, Pl.24, f.3; Krieger & Gerloff 1939, 13:2, 114, Pl.142, f.4-6.<br />
L. 180 xtm, B. 127.6 Ltm, <strong>and</strong> I. 26.4 xim. St. 1. Indonesia (Sumatra), New Zeal<strong>and</strong>.<br />
New to <strong>Thail<strong>and</strong></strong>.<br />
16. M. suboblonga Nordst. var. suboblonga Pl.29, f.10.<br />
Krieger & Gerloff 1939, 13:2, 41, Pl.106, f.8-10.<br />
L. 61,6 um, B. 49.7 ptm, <strong>and</strong> I. 11 ptm. Cells approximately 1.3 times longer than<br />
the breadth, deeply constricted at the middle, sinus narrowly linear; semicells 3-lobed,<br />
incision between polar <strong>and</strong> lateral lobes linear or somewhat oblong-ellipsoidal <strong>and</strong><br />
rounded at the extremity, apical angles of a semicell rounded, polar lobe with apex con-<br />
vex <strong>and</strong> retuse at the middle in some specimens, upper <strong>and</strong> lower lateral angles of later-<br />
al lobes rounded. Sts. 39,40. New Zeal<strong>and</strong>.<br />
16a. var. tecta Krieger Pl.26, f.20; Pl.28, f.6.<br />
Krieger 1932, 219, Pl.23, f.3; Krieger & Gerloff 1939, 13:2, 42, Pl.106, f.11,12; Scott<br />
& Prescott 1961, 52, Pl.22, f.3,4.<br />
L. 53-92 xtm, B. 37-73 Ltm, <strong>and</strong> I. 11-17 psm. Sts. 1,3,36,38,40,41,51. Indonesia<br />
(Sumatra). New to <strong>Thail<strong>and</strong></strong>.<br />
17. M. tetraptera W. &G.S.West var. longesinuata Krieger Pl.29, f.8.
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