

FRESH-WATER 



ALGiE FROM BURMA 



INCLUDING 



FEW FROM BENGAL AND MADRAS 





INTRODUCTION 



Most of the Algae which form the 



certain districts of Burma and 



few 



ubj 



of tli is memoir were collected 



Burdwan District of 



District of Madras by Mr. I. H. Burkill 

 to us for determination by Lieut.-Col. Pr 

 Survey of India. The m 

 had been 



M.A. 



> 



during 



in 



Bengal and Vizagapatara 



1904 



d were forwarded 



f.r.s., the Director of the B 



was contained in a sorie- 



preserved in a weak solution of carboli 



f twenty-four tubes, and 



some instances had unfortunately been insufficient to prevent dec 



d, the strength of which 



m 



The 



g 



add 



ollections were of s( 

 very materially to 



ewhat 



ed character, and the results of the investi- 



our knowledge of the 



distribution of fresh wat 



in the Indian region. Of the 



Alga' 



Alg 



collected by Mr. Burkill, 30 species and a 

 number of varieties were previously undescribed, and two of them have had to be 



and handsome Desmid which. 



referred to new 



gen 







f th 



latie 



r is a 



owing to its peculiar 



phological features, we h 



large 



bee 



typ 



of 



a new genus 



Euastridium 



T\ 



other 



is an 



Ak 



impelled 

 belonging 



Pi 



the 



coccaceae, occurring 



as free-floating colonies furnished with stout horns. Tl 



named BurkilUa cornuta. 

 and Urococcus tropicus. 



T 



other A]g 



of 



g' 



interest are Moug 



to the Proto- 

 is we have 

 Ha producta 



The former is a species of Mourj 



spore-for 



b 



the ch 



of both Mougcotia 



latter 



is a gr 



of a red-bro 



species of a g 

 pigment. 



ich th 



cells 



>6*a which in its methods of 



and Gonatoncma ; and the 



ually contain an abundance 



and 



Some work has already been done at the fresh-water Algae of the Indian region 



* 



the following are the principal 



papers which have appeared on the subject : 



(I) Grunotc : Susswasser-Diatomaceen und Desmidiaceen von der Insel Banka 



Beitr. zur Kentnies a. Yerbreit. Algen. Leipzig, I860). 



(in 



bent 



(2) Wallich\: Desmidiace® of Lower Bengal. (Ann. Mag. Nat. Hist. ser. 3, v, 1860). 





(3) Joshua : Burmese Desmidiese. (Journ. L 



xxi, 1886). 



i 



Ann. Roy. Bot. Gard. Calcutta Vol. VI. 



