(352) 



Gymnostomum rupestre Schleich. Tenderfoot Cr., Belt 

 Mts., a small form, Aug. (133). 



Gymnostomum curvirostrum (Ehrh.) Hedwig. Giant 

 Spring, near Great Falls, Belt Mts.,ColumbiaFalls,March(i3). 



Wcisia viridula Brid. On earth over ledges of rocks near 

 foot of Teakettle Mt., Columbia Falls. Apparently very- 

 rare in Montana (382). 



Dicranoweisia crispula Lindb. Belt Mts., Columbia Falls, 

 common (108). 



Dicranoweisia compacta (Schleich.) Schimp. An alpine 

 species growing in compact tufts with smaller leaves than the 

 preceding, basal leaf-cells shorter and thinner walled and 

 teeth not so deeply inserted under the mouth of the capsule. 

 Forty-mile Cr., Blackfeet Ind. Reserv. ; Essex, G. N. Ry., 

 7,000 ft. ; Stanton Lake, Rocky Mts., 7,000-8,000 ft. (422). 



Cynodontium Schisti (Wahlen.) Lindb. On damp earth 

 over ledges of rock at 4,000 ft., June 1, Columbia Falls (295) 



Cynodontium torquescens (Bruch.) Limpr. On rocks 5,5°° 

 ft., Neihart (183). 



Cynodontium strumiferum (Ehrh.) DeNot. On rocks at 

 3,500 ft., Columbia Falls, June 15 ; Neihart, Belt Mts. 



Oncophorus virens (Swartz.) Bridel. Columbia Falls, June 

 24; Observation Mt., Blackfeet Ind. Reserv. (322). 



Oncophorus virens serratus (Br. & Sch.) Limpr. Columbia 

 Falls, June 24, common along streams (198). 



Oncophorus Wahlenbergii Brid. On decayed logs, May 

 22, Columbia Falls, Tenderfoot Cr., Belt Mts. (218). 



Dichodontium pellucidum Amcricanum Lesq. This variety 

 seems to be intermediate between pellucidum and the variety 

 following. It is scarcely to be distinguished from pellucidum 

 by the basal cells, differing chiefly in its smaller size with 

 leaves less highly papillose. Along river banks on wet sand, 

 May 4, Columbia Falls (327). 



Dichodontium pellucidum fagimontanam (Brid.) Schimp. 

 This is a still smaller variety with leaves often ovate and only 

 2 A—1 mm. long. It is mostly darker colored than the species. 

 On earth at 7,000 ft., near Columbia Falls (328). 



