PLANTS OF WESTERN LAKE ERIE. 
79 
Alphabetical, list of plants occurring in Lake Erie arid in swamps in the vicinity of Put-in Bay, Sandusky, 
East Harbor, and Portage River , Ohio — Continued. 
DESMIDE/E. 
Closterium ehrenbergii Menegh . In tow, Put-in Ray. 
Closterium Icibleinii Kuetz. In washings from 
Bidens beckii and Utricularia vulgaris. 
Closterium parvulum Naeg. In washings from 
Bidens beckii and Utricularia, vulgaris. 
Closterium veirus Kuetz. In tow, Put-in Bay; in 
Utricularia washings and in pool on Starve 
Island. 
Closlerium diuntv Ehrenb. In washings from fta- 
gittaria rigida, Squaw Harbor. 
Cosmarium angular e Johnson. In Utricularia wash- 
ings. Mr. Johnson described this species 
from material collected by myself at Lake 
St. Clair in 1893. It will probably be found 
at other points along the lakes. 
Cosmarium botrytis Menegh. In tow, Put-in Bay, 
and nearly all plant washings. 
Cosmarium brebissonii Menegh. Starve Island. 
Cosmarium depressum Lund. Put-in Bay. 
Cosmarium grahalum Breb. In Utricularia wash- 
ings. 
Cosmarium Ixve Rabenh. In washings from Eny- 
conema, and Sagittaria. 
Cosmarium margaritiferum Menegh. In Utricularia 
washings. 
Cosmarium rneneghinii Breb. In Utricularia wash- 
ings. 
Cosmarium moniliforrne Ralfs. In Bidens beckii 
washings. 
Cosmarium nitidulum De Not. In washings from 
Enyconema and Sagittaria. 
Cosmarium ornatum Ralfs. In Bidens beckii wash- 
ings. 
Cosmarium. portianum Archer. In Utricularia 
washings, 
Cosmarium punctula turn Breb. In tow and in wash- 
ings from various plants. 
Cosmarium reniforme Archer. In tow and in wash- 
ings from various plants. 
Cosmariumrenifotine var. compressum Nordst. Put- 
in Bay. 
Desmidium swurtzii Breb. Put-in Bay. 
Disphinctium connalum (Breb.) De Barv. Put-in 
Bay. 
Euastrurn degam Kuetz. In Bidens beckii wash- 
ings. 
Euastrurn binale Ralfs. In washings from Bidens 
beckii, and Utricularia vulgaris. 
Euastrurn eleguns var? In Utricularia washings. 
Gonatozygon khiuhani ( Archer) Rabenh. In Bidens 
beckii, washings. 
Gonatozygon ralfsii De Bary . In Bidens beckii wash- 
ings. 
Ilycdolheccidissiliens Breb. In Utricularia washings. 
Hyalotheca mucosa Ehrenb. In Bidens beckii wash- 
ings- 
PleuroUeniopsis ralfsii. (Breb.) Lund. In Utricu- 
laria washings. 
Pleurotscnium trabecula (Ehrenb.) Naeg. In Utri- 
cularia washings. 
Staurastrum avicula Breb. In Utricularia washings. 
Staurastrum brebissoni Archer. In Utricularia wash- 
ings. 
Staurastrum crenulatum (Naeg. ) Delponte. In Utri- 
cularia washings. 
Staurastrum, dejectum Breb. In tow r , Put-in Bay. 
Staurastrum dilatatum Ehrenb. In Utricularia~w ash- 
ings. 
Staurastrum fur rig eruin Breb. In Utricidaria wash- 
ings. 
Staurastrum punctulatum Breb. In tow, Put-in 
Bay. 
Staurastrum striolatum Archer. In Sagittaria wash- 
ings. 
Staurastrum tetracerum (Kuetz.) Ralfs. In Bidens 
beckii washings. 
Xanthidium antilopxum Kut.z. In Utricularia wash- 
ings. 
