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POLYPODIACEAE. 



Woodsia scopulina D. C. Eaton. Common in rock crevices in 

 the vicinity of Flathead -Lake. This species was collected by 

 the writer in the Lake McDonald region along the trail leading 

 to Sperry Glacier and near its upper terminus. The species was 

 also collected by Mr. Tweedy at West Boulder. 



Woodsia oregana D. C. Eaton. Infrequent in shaded rocky 

 soil, near Sperry Glacier, Lake McDonald region. Also collected 

 by Mr. Flodman at Spanish Basin. 



Woodsia obtusa Torr. Collected by R. S. Williams in Lower 

 Sand Coulee. A rare species in Montana. 



Cystopteris fragilis Bernh. Common in rock crevices and in 

 rich rocky soil. During the months of July and August this 

 species may be collected near the summit of the numerous 

 mountain peaks in the region of Flathead Lake, also in the Lake 

 McDonald region near Glacier hotel and by Sperry Glacier. 

 Apparently a common fern throughout western Montana. 



Xephrodium spinulosum Desv. Two specimens were collected 

 by the writer in the vicinity of Glacier hotel in the deep woods 

 near the upper end of Lake McDonald. Mrs. J. J. Kennedy has 

 collected specimens in Missoula county. Seemingly a rare Mon- 

 tana fern. 



Nephr odium Mix-mas Rich. Male Fern. This species was 

 found by the writer near the summit of Mt. Eneas and along a 

 small brook leading from a mountain meadow about five hundred 

 feet below the summit. A few bunches were found along the 

 upper portion of the trail from Glacier hotel to Sperry Glacier. 

 A rather rare fern in Montana. The species has been collected 

 in Park county, East Boulder, and Bozeman. Mr. Williams 

 also collected the species at Lake Terry [McDonald], perhaps 

 near the Glacier hotel. 



Phegopteris dryopteris Fee. Oak Fern. Frequent in rocky 

 soil in rich woods, also near springs or mountain streams, 

 usually where there is considerable moisture. July to August. 

 Collected by the writer at various points in the Flathead valley. 

 The species has also been collected at Columbia Falls and Mis- 

 soula and in Deer Lodge county. 



Phegopteris alpesiris Mett. Collected near the head of Lake 

 McDonald by R. S. Williams, 



