Dicranum.] BRTACEiE. 73 



tubulose, abruptly short-subulate : capsule erect, cylindrical, 



subarcuate, scarcely striate, on a long straw-colored pedicel ; lid 



shorter than in the last species, oblique ; annulus narrow. — 



Bryol. Eur. t. 78. Campylopus Bauei^ Aust., Coult. Bot, Gaz. 



i. 28. 



Hab. Eoots of trees iu the Rocky Mountains [E. Hall) ; Santa Fe, 

 New Mexico (Fendler). 



15. D. rhabdocarpum, Sulliv. Closely allied to the pre- 

 ceding-, it differs in the plants being simple or rarely divided by 

 innovations, the leaves lanceolate or slightly subulate or linear- 

 lanceolate, acuminate, open-erect or subsecund, crispate when 

 dry, the inner pericheetial leaves narrowed into a long thong- 

 shaped point, the cajDsule narrower cylindrical, erect, substru- 

 mose or inflated at the long collum, strongly striate especially 

 when dry, polished, the long straight-beaked lid, the teeth jjale 

 red and more regular, the annulus large and subrevoluble. — 

 Mem. Am. Acad. n. ser. iv. 172, t. 3. 



Hab. Same as the last; Rocky Mountains {E. Hall, Downie); Mt. 

 Graham, Arizona (Eothrock); Santa Fe {Fendler). 



16. D. fragilifolium, Lindb. Plants densely cespitose ; 

 stems slendei*, erect : leaves erect, strict, brittle and generally 

 broken at the aj^ex, lanceolate, gradually narrowed from the 

 base into a long setaceous point, very entire, glossy ; cells of 

 the areolation quadrate above, rectangular below, filled with 

 greenish yellow chlorophyll, pellucid and enlarged at the angles ; 

 perichoetial leaves convolute, sheathing, constricted into a setar 

 ceous point : capsule ovate, striate by dark lines to below the 

 orifice, furrowed when dry ; lid with a subulate curved pale 

 beak ; teeth entire to above the middle, bifid, not perforated 

 above ; annulus simjDle, revoluble. — Schimp. Syn. 89, and 

 Bryol. Eur. Suppl. Dicrautim, 2, t. 2. 



Hab. Vancouver Island {Macoun, 1875). 



17. D. scoparium, Iledw. In loose yellowish, rarely green 

 tufts ; stems solid, generally long : leaves secund or falcate, 

 rarely erect, more or less tufted at the top of the innovations, 

 linear-subulate from a lanceolate base, sharply serrate and undu- 

 late on the borders in the upper part ; costa compressed, fur- 

 rowed and denticulate on the back toward the apex ; areolation 

 rectangular in the upper part, narrower and vermicular toward 

 the base, large, quadrate, orange-colored at the angles : male 



