Bartramia.] BRYACE^. 203 



Yar. patula, Bruch & Schimp. Comal leaves narrower, 

 spreading ; costa percurrent. — i^. Bavenelii, Aust., Coult. Bot. 



Gaz. i. 29. 



Hab. Bare ground, moist sand and rocks; very common. The varie- 

 ties mostly in tlie Soutliern States. 



9. F. microstoma, Bruch & Schimp. Differs from the 

 last in its smaller size, the capsule pyriform, more turgid and 

 thicker, dark brown and shining, the lid much smaller and 

 mamillate, the internal peristome very imperfect, and the spores 

 twice as large. — Bryol. Eur. t. 306. 



Hab. Moist gravelly ground ; Soda Springs on tlie Upper Tuolumne, 

 California {Bolander); Illinois [Patterson, Schneck). 



Tribe XI. BARTKAMIE^. 



Plants perennial, dichotomous or branching by subfloral 

 innovations. Leaves varying from ovate-lanceolate to subulate, 

 costate, papillose on both faces ; areolation minute and quad- 

 rate above, loose and hexagonal-rectangular at base. Flowers 

 bisexual, monoecious or dioecious, the male generally discoid in 

 the dioecious species. Calyptra small, cucullate, very fugacious. 

 Capsule spherical or nearly so, without collum or with an indis- 

 tinct one, cernuous or rarely erect, plaited-striate when dry or 

 rarely smooth. Lid small, muticous. Peristome none or sim- 

 ple or more generally double with the segments of the inner 

 membrane split into two diverging parts; cilia none or simple 

 and more or less distinct. Annulus none. 



75. BARTRAMIA, Hedw. (PI. 3.) 

 Stems erect and dichotomous, radiculose-tomentose below. 

 Leaves opaque, yellowish green, half-clasping or subdecurrent 

 at base, serrate at the apex ; costa round, vanishing with the 

 apex or passing above it into a point hispid on the back. 

 Capsule globose or broadly ovate ; lid small, convex or obtusely 

 pointed. Teeth of the outer peristome attached to the basilar 

 membrane passing above the orifice, lanceolate, transversely 

 articulate, lamellate inside, marked on the back by a dividing 

 line. Spores minute, hispid, yellowish brown. 



