243 
Omphalaria 
rele Collemopsidium 
P : 
ec - Anema Enchylium 
a Phylliscidium Psorotichia Phylliscum 
Synalissa Pyrenopsidium 
Pyrenopsis 
[Cryptothele] 
Omphalariacet 
Rarieties from Montana.—ll. 
By P. A. RYDBERG. 
(Plates 304-3°7-) 
Potyconum Austinaz Greene, Bull. Cal. Acad. 2: 212. 1885.* 
This little interesting Polygonum 
one of the highest peaks of the Crazy 
1896, at an altitude of 8000 feet. 
Potyconum ENGELMANNU Greene, Bull. Cal. Acad. 1: 126. 1884. 
This has hitherto only been collected 
- of Colorado. It is not uncommon in centr 
tude of 6000 feet or more. Cottonwood Creek, July 3% 1896, 
® This and the meat ave been cuterminetl by J- Smal een 
was collected on the side of i 
Mountains, September ats 
