114 BKTACE.E. [Desmatodon. 



9. D. obtusifolius, Schimp. Monoecious : j^l^nts 1 cm. 

 long, subcesj^itose : leaves crowded, soft, erect, spreading from 

 the middle. Ungulate-lanceolate, acuminate or obtuse, very- 

 entire, hyaline up to three-fourths of their length, densely 

 chloropliyllosc above, minutely papillose on the back, the lower 

 smaller, obtuse or blunt-jjointed, yellowish hyaline nearly the 

 "whole length : male flowers gemmaceous : calyptra tawny : lid 

 short-beaked ; teeth free, slightly twisted to the left ; annulus 

 large, compound, revoluble. — Syn. 158. Tortida obtusifolia, 

 Schleich. ; Lindb. Trichost. 236. J3arbida obtusifolia^ Schwaegr. 

 Suppl. i. 129, t. 31. Desmatodon flavicaus, Bruch & Schimp. 

 Bryol. Eur. t. 133. 



Hab. Rocky Mountains (Brummond); on the ground, California 

 (Bolander); Echo Caiion, Wasatch Mountains (Watson); Janesville, 

 Wisconsin [Lapham). 



Very variable in tlie size of the plants and of the leares, which are also 

 more or less obtuse or even distinctly acuminate. 



10. D. Guepini, Brucli & Schimp, Inflorescence and mode 

 of growth as in the preceding: lower leaves ovate-lanceolate, 

 the upper oval-oblong, awned by the excurrent costa, with the 

 borders recv^rved, distinctly papillose on the back : capsule 

 oblong, subcylindrical ; lid large, conical, short-beaked ; teeth 

 free to the base, very papillose, reddish, erect when dry, half- 

 convolute Avhen moist ; annulus narrow, simple. — Bryol. Eur. 

 t. 133. Barhula Guepini, Schimp. Syn. (ed. 2), 197. Trichos- 

 tomum Guejnni, Muell. Syn. i. 590. 



Hab. With the last, California [Bolander). 



* * Capsule curved or pendent. 



11. D. cernuus, Bruch & Schimp. Plants short, loosely 

 cespitose : leaves closely imbricate, the lower small-ovate, the 

 upper spatulate-lanceolate, obscurely serrate or crenulate above, 

 papillose, mncronate by the excurrent costa : capsule cernuous, 

 broadly ovate, solid, brown, on a long reddish pedicel ; lid 

 short-rostellate ; teeth cut into two or three filiform segments, 

 either free or partly coherent ; annulus compound, persistent. — 

 Bryol. Eur. t. 134. Bidymodon latifolius, Wahl. Fl. Lap. 313, 

 t. 20. Trichostomum cer7iuum, Lindb. Trichost. 225, 



Hab. Rocky Mountains of British America, in fissin-es of wet rocks 

 (Drwinuond); Ruby Valley, Nevada ( Watson) ; Edmonton River, Canada, 

 etc. (Macoun). The species has not been found, however, in Colorado 

 nor in California. 



