230 



FRESH-WATER ALG2E FROM BURMA 



Genus: Anhistrodesmus Corda. 



187. Ankistrodesmus falcatus (Corda) Ralfs, Brit. Desru. 



1848, 



P 



180, t. 



34, f. 3. 



Micrasterias jalcata Corda, Aim. de Carlsbad, 1835, p. 206, t. 2, 



f 29 



Ankistrodesmus fusifi 



Corda 1 



1838, p. 196-198 



Rhaphidium fasciculatum Klitz. Phyc. germ. 1845, p. 144. 



Rhaphidum polymorphum Fresen. 

 Alg. iii, 1868, p. 45. 



var. 



falcatum Rabenh. 



Flor. 



Europ. 



Hab. — Banks and backwaters of the Irrawaddy at Bhamo (No. 21502). Mansang 



near Hsipaw (No. 24193) ; very large specimens 



Va 



ACICULARIS 



Br.) G. S. West, Treatise Brit. Fresh 



p. 223. 

 Rhaphidium aciculare A. Br., 1849. 

 Ankistrodesmus acutissimus Arch., 1862. 



Alg 



1904 



i 



2fo&.— Momauk, east of Bhamo (No. 21551). Mansang, near Hsipaw (No. 24193). 

 188. Ankistrodesmus convolutus (Rabenh.) G. S. West, Treatise Brit. Freshw. 



Alg. 1904, p. 224. 



Rhaphidium convolutum Rabenh. 

 Ankistrodesmus convolutus Corda, 1838 



Flor 



Hab. — In sprin 



on 



the 



river bank, Bhamo 



Europ. Alg. 

 Euglena ?] 



o. 21501) 



1868 



P 



46 



189 



An 



quaternatus sp. n. (PI. xn, fi 



Celluhe luuatae et subc 



o 



diam 



23-25) 



circiter 4-plo longiores, polis rotundat 



chromatophoris magnis sine pyrenoidibus ; celluhe quattnor coloniam mucosam formantes 



cellulis distantibus et 



directis 



reg 



a vertice visa cellulis 



ordinatis, marginibus concavis cellularum 



orsum 



Long. cell. 23-24*5^; lat. 



titim ordinatis 



7-7-7 



Hab 



Mansan 



e> 



ne"ar Hsipaw (N 



24193) 



This 



species 



I' ST%t I, 't 'T. lM f^™ ° £ the fo » «"• <™ PO-8 the colony, 



the lunate form of the cells, and 



their obtuse apices 



Genus: Oocystis 



Nag. 



190 



Hab 

 191. 



Hab 



Oocystis solitaria Wittr 



fasc. 21, 1889, p 

 Mansan 



in Wittr. & Nordst 



g, near Hsip 

 Oocfstis crassa Witl 



22 cum fig-. 



24193), 



I c. 1880, No. 355 



Alg. Exsic. 1879 



No. 244 



Mansang, near Hsipaw (No. 24193) 



fasc. 21, 1889, p. 22 





