FRESHWATER ALGÆ FROM CAUCASUS AND TURKESTAN. 139 



Order TJlothrichsiles. 

 Family TJlothricha.ceæ. 

 Genus Stichococcus Näg. 



58. Stichococcus bacillaris Näg. 



Pjatigorsk; from cold, not sulphureous water. 



Genus Ulothrix Kiitz. 



59. Ulothrix variabilis Kiilz. 



Pjatigorsk; from cold, not sulphureous water, 

 lat. ül. 6 /il. 



B'amily Microsporaceæ. 

 Genus Microspora Thur. 



60. Microspora sp. 



The chloroplasts were contracted and the structure not to be 

 seen. It seemed to belong to Microspora slagnorum, but the 

 cells were somewhat broader. 

 Wladikaokas — Kasbek; lat. fil. 11— 12 .u. 



Family Chætophoraceæ. 

 Genus Stigeoclonium K\i\z: 



61. Stigeoclonium sp. (juv.) 

 Kasbek — Mleti. 



Genus Draparnaldia Bory. 



62. Draparnaldia glomerata (Vauch.) kg. 

 Wladikaokas — Kasbek. 



