CATALOGUE. 
337 
TYPHACE^. 
Typha latifolia, L. From Florida to Canada, northward to tlie Arctic 
Circle and west to Oregon and California. Frequent in Humboldt Valley, 
Nevada, and in Salt Lake Valley ; 4,500 feet altitude. (1,127.) 
Sparganium eurycaepUxM, Eng. From New England and Pennsylvania 
to Canada, Great Slave Lake and the Missouri River. On the Humboldt 
River, Nevada, and on the Jordan, Utah ; 4-4,500 feet altitude. (1,128.) 
Sparganium minimum, Bauh. From Northern New England, Pennsyl- 
vania and Wisconsin to Canada, Newfoundland and Labrador ; in the Rocky 
Mountains, latitude 58°, (Drummond;) Unalaska and Behring Strait. Bear 
River Canon, Uintas; 8-10,000 feet altitude; August. (1,129.) 
NAIADACEiE. 
Zannichellia PAlustris, L. From Western Florida to New York, 
Ohio and the Saskatchewan; on ''the Plains," (Hall;) from Western Texas 
to Sonora, and northward on the Pacific Coast to the Columbia. Found in 
Parley's Park in the Wahsatch; 6,000 feet altitude; July. (1,130.) 
PoTAMOGETON^ NATANS, L. Common in the Northern States and to Can- 
ada, Hudson's Bay, Minnesota and the Saskatchewan ; reported also from 
Arkansas, Texas, Northern Mexico, Northern California and Sitka. Col- 
lected in Ruby Lake, Nevada, and in Weber River, Utah ; 6,000 feet alti- 
tude; August. (1,131.) 
PoTAMOGETON RUFESCENS, Schrad. From New England to Pennsylva- 
nia and Ilhnois and northward to Hudson's Bay ; Unalaska. Found (the 
submersed form) in the Uinta Mountains, on Bear River ; 8,000 feet altitude ; 
August, scarcely in flower, (1,132.) 
PoTAMOGETON LONCHiTES, Tuck. Ncw England to Illinois ; Texas, 
(Drummond.) Humboldt Pass, Nevada, near the head of Humboldt River; 
6,000 feet altitude; September, scarcely out of flower. (1,133.) 
PoTAMOGETON GRAMiNEtTS, L., Var. iiETEROPHYLLUS, Fries. North Car- 
olina, and common northward to Canada, Hudson's Bay and the Saskat- 
chewan; Arkansas, (Nuttall.) Ruby Lake, Nevada; 6,000 feet altitude; 
August, in flower. (1,134.) 
PoTAMOGETON PERFOLiATUS, L., Var. LANCEOLATus, Robbins. The spe- 
iTbo nclrriiiiniitioiiH &iu\ notes under this gotms are due to iJr. J. W. Koijiuxs. 
43 
