LIST OF PLANTS, 
345 
Tibet. 
Spirogyra Tibetana, n. sp. ? 
Char. — Subtilissima, sordide viridis ; fascia spirali 
unica; articulis vegetativis diametro ('0004 inch) 
3-plo longioribus ; Zygosporis ignotis. Fig. 16. 
Tibet. 
Hormiscia ? 
Fragmentary ; apparently near H. Zonata, Web. et M. 
Eunotia Arcus, Ehrb. 
Cymbella gastroides, Ktz. 
Navicula cryptocephala, Kt. 
Pinnularia cocconeoides, Rabh. ? (1 or 2 only seen). 
Gomphonema glaciale, Ktz. 
Odontidium mesodoriy Ktz. 
Tibet. 
Cymbella gastroides, Ktz. 
Navicula cryptocephala, Ktz. 
Pinnularia nodosa, Ehrb. 
Odontidium mesodon, Ktz. 
SUMMARY. 
Family ZYGNEMACEiE, 
Zygnema Karatogana, n. sp. Karatag lake, Yarkand, 
16,000 feet. 
Spirogyra sordida, n. sp. ? Yarkand. 
S, Tibetana, n. sp. ? Tibet. 
Family Confervace^. 
(Edogonium rivulare, Le Clerc ? Tibet. 
CE. fonticola, A. Braun ? Tibet. 
Hormiscia (BquaJis, Ktz. ? Lama Yum, Tibet. 
