LIST OF PLANTS. 
343 
(Edogonium flavescens, n. sp. — Tibet. 
' The largest and most abundant, but no fruit. Near 
(Edogonium rivulare, Le Clerc. Fig. 1. 
Characters. Articulo terminali obtuso, articulis 
diametro ("002 inch) 4-plo longioribus, oogoniis 
ignotis. 
Mixed with the above, but in small quantity, is 
another of the same genus — viz., 
(Edogonium affine, n. sp. 
Char. — Articulo terminali truncato, articulis diametro 
(*001 inch) 2-plo longioribus, oogoniis fuscis, glo- 
bosis. Fig. 2. 
Allied to (Edogonium fonticola, A. Braun. 
Synedra Ulna, Ehrb. 
Gomphonema tenellum, Ktz., a few frustules only. 
Kargil, Tibet. 
Eunotia Arms, Ehrb. 
Amphora Hohenackeri, Eabh. 
Navicula cryptocephala, Ktz. 
Synedra tenuissima, Ktz. 
Odontidium hiemahj Ktz. 
Karatag Lake, Yarkand, 16,000 feet. 
Zygnema Karatogana, n. sp. ? 
Char. — Sordide viridis ; articulis sterilibus diametro 
(•001 inch) 2-plo vel 2J-plo longioribus ; Zygosporis 
ignotis. Fig. 3. 
Cymbella gastroides, Ktz. 
C. cuspidata, Ktz. 
Denticula obtusa, Sm. 
Yarkand. 
Spirogyra sordida, n. sp. ? 
Char. — Sordide viridis ; articulis diametro ('0014 inch) 
2-plo vel 3-plo longioribus ; spira valida ; Zygosporis 
ignotis. Fig. 4. 
