(372 ) 



Pylaisia poly ant ka (Schreb.) Br. & Sch. Belt Mts., Great 

 Falls (27); Columbia Falls, Oct. (125). 



Climacium dendroides (L.) Web. & Mohr. Belt Mts., 

 Columbia Falls, Oct. -Nov. (127). 



Holmgrenia chrysca (Schwaegr.) Lindb. Essex, G. N. 

 Ry., 5,000 to 6,000 ft., on damp rock (379). A variety with 

 shorter more imbricated leaves, 2 mm. instead of 3 mm. 

 long, was collected immersed in spring between the North 

 and South Forks of Cut-bank Cr. It is perhaps the variety 

 cochlcari folia Lindb. 



Pscudolcskea atrovirens (Dicks.) Br. & Sch. North Fork 

 Cut-bank Cr., Columbia Falls, July (342). 



Pscudolcskea oligoclada Kindb. Columbia Falls, on rock, 

 May (256). 



Pseudolcskca -pallida Best. Tenderfoot Cr., Belt Mts. 



(i5i)- 



Pscudolcskea denudata Holzingcri Best. Columbia Falls, 



on earth, 7,000 ft., Oct. (343). 



Pscudolcskea radicosa (Mitt.) Lesq. & James. Columbia 

 Falls, June 12 (364). 



Pscudolcskea rigescens (Wils.) Lindb. Essex and Stanton 

 Lake, G. N. Ry. ; Columbia Falls, Aug. (255). 



Hctcrocladium procurrens (Mitt.) Rau & Hervey. Mac- 

 donald Lake, Columbia Falls, April (205). 



Hctcrocladium squarrosulum (Voit.) Lindb. Two-medi- 

 cine Lake and Railway Cr., Blackfeet Ind. Reserv. ; Co- 

 lumbia Falls, May (254). 



Claopodium Bolandcri Best. Macdonald Lake, Columbia 

 Falls, April (203). 



Thuidium abietinum (L.) Bry. Eur. Belt Mts., Sept.; 

 Lower Falls of Missouri River, May ; Columbia Falls (76). 

 Thuidium Blandovii (Web. & Mohr.) Bry. Eur. Neihart, 

 Belt Mts. : Columbia Falls, July (173). 



Thuidium recognition (Hedw.) Lindb. Belt Mts., Colum- 

 bia Falls, July (156). 



Camptothccium aencum Mitt. Belt Mts., Columbia Falls, 

 March (75). 



