44 MONTANA AGRICULTURAL COLLEGE SCIENCE STUDIES. 



Scirpus rubrotinctus confertus, Fernald, Rhodora, 2: 21. 

 G. N. Ry., Teton Co., Aug. 27, 1897, R. S. Williams. 



Scirpus Torreyi, Olney. Has light-brown or greenish -yellov*, 

 triquetrous akenes ; otherwise resembling v$\ Amcricanns, Pers. Com- 

 mon in wet alkali places throughout the plains region eastward. 



Billings, Aug. 16, 1903; Townsend, Aug. 12, 1899; Miles City, 

 Aug. 16, 1903; Malta. June 9, 1901; Steele, Aug. 24, 1901; Custer 

 Station, Aug. 24, 1890.' 



Smilax ecirrhata, Wats.? Box Elder Cr. near Calais, July .u, 

 1900, in coulee thickets with .9. hcrbacca and may possibly be only 

 depauperate forms of that species, though it has the typical rounded, 

 5-veined, cuspidate 'leaf of ecirrhata, which is found in the parts of 

 North Dakota adjacent. Only infertile specimens collected. 



Smilax herbacea, L. Found with the last; its ultimate range 

 westward. 



Tofieldia intermedia, Rydberg, Bull. Torr. Bot. Club, 27:528. 

 Segregated from T. glutiiwsa, Hook, and includes all the Montana 

 specimens. 



Veratrum speciosum, Rydberg, Bull. Torr. Bot. Club, 27: 5.31. 

 Segregated from V. Calif ornicnm, Durand and includes all the 

 Montana specimens. 



Xerophyllum tenax, Nutt. See Rydberg, Bull. Torr. Bot. Club, 

 27: 529. Apparently confined to the Flathead region of the state, 

 as far as our specimens here go to show, while X. Donglasii, Wats. 

 is found in the higher mountains over the western part of the state. 

 Columbia Falls, June 14, 1894, R. S. Williams; Belton, July 27, 

 1900, common. 



Zygadenus alpinus, n. sp. 



Small, i l / 2 -2 dm. high, subacaulescent with one or two scarious, 

 linear bracts, lowest sometimes leaf-like : leaves short (6-12 cm.) and 

 narrow (2-4 mm.) : raceme 4-6 flowered : bracts ovate, scarious, acute. 

 purple-lined, as long as, or half shorter than the peduncle : perianth 

 segments cream-colored, ovate, obtuse, clawed, about 6 mm. long; 

 gland obcordate and sharply defined : ovary adherent only at the 

 very base, I cm. long and 4 mm. wide, styles about 3 mm. long. 



Related to Z. clcgaiis, Pursh, but smaller in all its parts, nearly 



