1870.] Proceedings of the Asiatic Society. 11 



1757. Spirogyra adnata, Link. Kajmahal hills, waterfall near 

 jSahibgunge. 



1763. Hydrocolewn heterotrichum, K g. — Manbhum, Eastern Behar. 



1764. Chaetophora Indica, Mart., globosa, majuscula, viri- 

 dis ; filis flaccidis, repetite dichotomis, elongatis, acuminatis ; articu- 

 lis diametro aequlibus vel duplo ad quadruplurn longioribus, saepe 

 obsoletis ; spermatiis globosis, sessilibus. — Forms JVostoc-shsaped 

 chains on dead branches in rivulets, near Beharinath, Manbhum. 



1789. Scytonema palmarum, Mart., cespite compacto ex viri- 

 di cinereo ; filis parce ramosis, subflexuosis, aequicrassis, cum vagina 

 arcta 1/225 ad 1/200 lin. crassis, luteolis vel sordide virescentibus, 

 basi hyalinis ; articulis diametro brevioribus, distinctis, granulatis. — 

 Calcutta, Botanic Grarden, between the old sheaths on the stems 

 of Phoenix sylvestris, wherein rain-water is usually accumulating. 



1794. Synedra Ulna, Ehrenberg, with single threads of 

 Oscillaria subfusca, V a u c h e r. — At the waterfall near Maharajpur, 

 Eajmahal hills. 



1804. Scytonema tomentosum, K g. — Calcutta Botanic Garden. 



1882. Pahnoglcea Kurziana, Mart., gelatinosa, late expansa, 

 obtuse lobata, 3 ad 6 lin. crassa, olivaceo — lutescens, laevis, exsic- 

 catione collabens rugulosa, chartae arete adhaerens ; globulis 

 numerosis, ellipticis, 1/250 lin. longis, 1/300 lin. crassis, filis 

 tenuissimis, hyalinis, flexuosis intertextis. — Calcutta, Botanic Gar- 

 den, on brick-laid paths, during and, especially, towards the close 

 of the rainy season. 



1933 and 1883. Spirogyra nitida, Lk. — Northern Bengal, be- 

 tween Kissengunge and Titalya, frequent ; also at Howrah, &c. 



1893. Zygogonium Pengalense, Mart., filis parce ramosis, elon- 

 gatis, hyalinis, articulis diametro (1/150 ad 1/125 lin.) 4- ad 8- 

 plum longioribus ; substantia gonimica in globulos fuscos biparti- 

 ta ; spermatiis globosis 1/80 lin. crassis. — Northern Bengal, in deep 

 stagnant waters between Silligoree and Titalya, forming large 

 rounded greyish cloudy masses. 



1894. IJ'ypheotlirix investiens, Mart., strato effuso, luride oli- 

 vaceo ; filis internis dilute aerugineis, 1/750 lin. crassis, obsolete 

 articulatis, torulosis, punctatis ; vaginis rubescentibus, opacis, arctis, 

 1/500 lin. crassis. — Northern Bengal, between Silligoree and Titalya, 

 in stagnant waters, forming a dense covering on water-plants. 



