FRESH-WATER ALGI FROM BURMA
Genus: Anbistrodesmus Corda.
187. ANKISTBODESMUS FALCATUS (Corda) Ralfs, Brit. Desm. 1848, p. 180, t.
34, f. 3.
Micrasterias falcata Corda, Aim. de Carlsbad, 1835, p. 206, t. 2, f 29.
Ankisirodesmus fusiformk Corda 1. c. 1838, p. 196-198,
Rhaphidium fasciculatum Kiitz. Phyc. germ. 1845, p. 144.
Rhaphidtm polymorphum Fresen. var. falcatuni Rabeoh. Fior. Europ.
Alg. iii, 1868, p. 45.
i f o i . — B a n k s and backwaters of the Irrawaddy at Bhamo (No. 21503). Mausaug,
near Hsipaw (No. 24193) ; very large specimens.
Var. ACICULARIS (A. Br.) G. S. West, Treatise Brit. Freshw. Alg. 1904,
p. 223.
Rhapkidium aciculare A. Br., 1849.
AnkistTodesmiis acutissimus Ai'cli., 1862.
Momauk, east of Bhamo (No. 21551). Mansang, near Hsipaw (No. 24193).
188. ANKISTKODESMUS CONVOLUTUS (Rabenh.) G. S. West, Treatise Brit. Fresliw.
A l g . 1 9 0 4 , p. 224.
RhapJddium convolutwn Rabenh. Fior. Europ. Alg. iii, 1868, p. 46 fnon
Ankisirodesmus convolutus Corda, 1838, ^^ Euglena?}
Hah.—In springs on the river b'lnk, Bhamo (No. 21501).
189. ANKISTRODBSUUS QUATEENATUS sp. n. (P], xii, figs. 23-25).
Cellulfe luiiatce et subcrassre, diametro circiter 4-plo longiores, polis rotundafcis ;
chromatophoris magnis sine pyrenoidibus; oelluls quattuor coloniam mucosam formantes,'
celluHs distantibus et regulariter ordinatis, marginibus concavis cellularum introrsum
directis; colonia a vertice visa cellulis cruciatim ordinatis.
Long. cell. 23-24-5,. ; lat. cell. 7 - 7 - 7 ^.
iZai .—Mansang, near Hsipaw (No. 24193).
This species is characterized by the regular disposition of the four cells composing the colony,
by the lunate form of the ceEs, and by their obtuse apices. '
Genu.s : Oocystis Nag.
190. OOCVSTIS SOLITARIA Wittr. in Wittr. & Nordst. Alg. Exsic. 1879 No 244-
fase. 21, 1889, p. 22 cum fig. ' • .
Ifaò.—Mansang, near Hsipaw (No. 24193).
191. OocvsTis CRASSA "Wiltr. 1. c. 1880, No. 3 5 5 ; fase. 21, 1889, p. 22.
-ffai.—Mansang, near Hsipaw (No. 24193).
GLCEOCYSTIS.
Genus: Nephrocytium Näg.
192. NEPHROCTTIUJI AOARDHIANUM Näg. Gatt. cinz. Alg. 1849, p. 80, t. H I C.
/ / a i . — K y a u k t a g a , Pegu District (No. 22124). Mansang, near Hfeipaw (No. 24193).
Genus: Tetraedron Kiitz.
193. TETRAEDEON BIFURCATÜM (Wille) Lagerh. Chlor. Abessin. u. Kordofan, 1893,
p. 160.
Polyedriiim ieiraedricum Näg. var. hifiircatum "Wille, Sydamerik. Algfl. 1884,
p. 12, t. 1, f. 24.
Forma angulis submamillatis et spina minuta ornatis j membrana punctata,
Diam. 27-38^. (PI. nii, fig. 23).
Hal.—Mansang, near Hsipaw.
a e n u s : Inegigiata W. & G. S. M'est.
194. Im-FiGiATi NEGLEOTA W. & Q. S. Wcst, Alg. S. England 1897, p. 50.3;
NoteB Alg. iii, 1903, p. 15 (sep.). t. 447. i. 1 - 6 ; G. S. West, Treatise
Brit. Freshw. Alg. 1904, p. 237, 238.
Maiipwe, N. Sban States {No. 22513). Mansang, near Hsipaw (No. 24193).
F a m i l y : P A L M E L L A C E J ].
Genus : Apiocystis Näg.
19Ó. APIOCYSTIS BKAUNIASA Niig. in Kütz. Spec. Alg. 1849, p. 208- Gatt einz
Alg, 1S49, p. 69, t. I I A, f. 1.
Uah.—In springs on the river bank, Bhamo (No. 21501).
k. Vet.—Akad. Förh
Genus: G/wocysiis Niig.
196. GLÍEOCYSTIS GIGAS (Kiitz.) Lagerh. in Öfvers.
1S83, No. 2, p. 63.
Froiococcm (¡igaa Kiitz.
Ghsoofstis mtplu (Külz.) Kaboiih. Flor. Europ. Alg. iii, 1868, p. 29.
Hai.—l-a springs on the riyer bank, Bhamo (No. 21501). Mansang, near
: (íío, 24193). In the Kan-gyi at Mudon (No. 24505).
197. GLOJOCYBTIS VBsicmosA Kiig. Gatt, einzell. Alg. 1849, p. 66, t. I V F.
iioi.—Momauk, east of Bhamo (No. 21551). Singaing, Kyaukso district (No. 22193).
ANN. lioY. BOI. ÜARD. CALCUTTA VOL. VI.