202 
mentary, I or 2; spores yellow-brown, very slightly roughened, , 
10-15, maturing in winter. 
Type locality, sandstone rocks overhanging a dry stream bed 
near Hanging Rock Station, Echo Canyon, Utah, Alt. 6000 
feet (Watson); also found at Bald Mt., western Montana (Watson); 
Arizona (Pringle). 
ILLUSTRATIONS.—Sull. Icon. Musc. Suppl. AX. 73. 
Closely allied to B. collinum but easily distinguished by the 
erect capsule and rudimentary cilia. 
31. BRACHYTHECIUM ERYTHRORRHIZON Br. & Sch. Bryol. Eur. fasc. 
52-54. pl. 547. 1853. 
Eurhynchium erythrorrhizon Kindb. Can. Rec. Sci. 1894: 23. 
1894 
Gametophyte in wide, intricate mats, light green, somewhat 
glossy ; stems slender, 4 cm. or more long, radiculose, pinnately 
branching, not stoloniferous ; branches 3-8 mm. long, ascending, 
the longer often arcuate and decumbent; branch leaves erect- 
spreading, 1—1.5 X 0.3-0.5 mm., more or less falcate-secund, 
lanceolate to ovate-lanceolate, gradually long and narrowly 
acuminate, serrate above, often plicate, costate to above the mid- 
dle; margins more or less reflexed; median cells linear-vermi- 
cular, 8-10: 1; quadrate alar cells distinct; stem leaves larger, 
ovate to ovate-lanceolate, plicate, nearly entire : dioicous ; peri- 
chaetial leaves loosely erect, ovate to oblong-lanceolate, long and 
narrowly acuminate. Sporophyte 10-15 mm. high ; seta red-brown, 
smooth ; capsule red-brown, ovoid, unsymmetric and horizontal, 
2 mm. long, 2-2.5: 1; operculum conic, apiculate; annulus 
present; segments somewhat shorter than the teeth; cilia 1 or 2, 
well developed; spores 14-20, roughened, maturing in autumn. 
Type locality European. 
Washington, Clealum Lake Ridge (Roll) no. 933; Belt 
Mountains and Columbia Falls, Montana (R. S. Williams) ; Colo- - 
rado (Brandegee); White Mountains (Austin, 1872); Newfoundland 
(Rev. A. C. Waghorne). 
ItrusrRATIONS.—Br. & Sch. l. c. 
Careful comparisons of this species with specimens of B. harpi- 
