(357) 



fused with D. obtusifolius which has larger leaf-cells mostly 

 quite distinct to apex, a costa less stout and perhaps always 

 disappearing below apex and leaf margin less revolute with 

 point of leaf more acute. The annulus of arenaceus is com- 

 posed of a single row of large somewhat triangular cells and 

 the lid has a rostrate beak about one-third to one-half the 

 capsule in length. 



Aloina brevirostris (Hook. & Grev. ) Kindb. On clayey 

 soil in spray of Lower Falls of Missouri River. Columbia 

 Falls on bare clayey soil, Sept. & Oct. (224). 



Barbula unguiculata (Hud.) Hedw. Steep clayey bank 

 of Missouri River below Great Falls, May (189). 



Barbula fallax Hedw. On sand in old river channel, 

 Nov. and April, Columbia Falls (331). Kindberg's B. sfiar- 

 si'dens evidently belongs here. 



Barbula subfallax Muell. Stanton Lake, G. N. Ry. ; 

 Columbia Falls, Aug., on sand along river bank near high- 

 water mark (242). 



Barbula refiexa (Brid.) Brid. (B. recurvifolia Schp.) 

 Fruiting specimens referred here were collected on a log 

 covered with silt in the Flathead River bottom, Nov. These 

 specimens are small with leaves mostly 1 mm. or less long, 

 except the perichaetial. The stem leaves are distant, strongly 

 decurrent and roughly papillose on both faces. The capsules 

 are rather short, ovate-oblong rather than cylindrical, with a 

 beak to the lid nearly as long. Annulus wanting, the mar- 

 gin of the capsule very irregular. Teeth scarcely twisting 

 half round and from a basilar membrane scarcely extending 

 above the mouth. I have not seen fruiting specimens, either 

 European or American for comparison but Bridel in his 

 original description calls special attention to the leaves being 

 half the size of fallax. The tall sterile forms often growing 

 on rock and referred to recurvifolia are perhaps more closely 

 related to fallax. 



Barbula vinealis Brid. Tenderfoot Cr., Belt Mts., 5,000 

 ft., on rocks. The sterile specimens placed here have a costa 

 not excurrent, upper leaf-cells obscure, .004 to .006 mm. in 



