Leptotheca.] BRYACE^. 251 



1. R. spiniforme, Bruch. Synoecious: stems long, tomen- 

 tose below, erect, simple or divided in the middle ; branches of 

 equal length, curved, loosely foliate : stem-leaves fuscous, long- 

 lanceolate, doubly-serrate on the borders, coarsely serrate at 

 the apex ; costa sharply serrate above, excurrent ; perichaetial 

 leaves broadly oval at the clasping base, abruptly acuminate ; 

 cells of the areolation round, small, somewhat obscure : capsule 

 inclined or horizontal, obconical, enlarged at the orifice, truncate; 

 pedicel very long ; lid Avith a short curved beak. — Regensb. 

 Flora, xxix, 134 (184G). Ifniwn s2)iniforme, iVIuell. Syn. 

 i. 175. 



Hab. Gulf shores, Alabama and Louisiana; in deep swamps at Spring 

 Hill, near Mobile (Mohy); not rare in Florida. 



90. LEPTOTHECA, Schwaegr. 

 Leaves large, marginate. Calyptra dimidiate. Capsule 

 cylindric-oblong. Peristome double, the outer of 16 linear- 

 lanceolate erect teeth, the inner a thin membrane, short and 

 entire, or longer and cut into 16 segments, with or without 

 intermediate rudimentary cilia. 



1. L. W^rightii, Suliiv. Pseudo-monoecious: stems short, 

 simjjle, in dense tomentose tufts: leaves rosulate, spreading, the 

 comal oblong-obovate or obovate-spatulate, narrowly margined, 

 apiculate or cuspidate by the excurrent often recurved costa ; 

 borders recurved and serrulate above ; cells oval-hexagonal, 

 filled by the contracted utricle : calyptra dimidiate-subulate : 

 capsule erect, cylindrical, slender; lid conical, short-beaked; 

 teeth very long and narrow, minutely paj)illose, contracted at 

 the articulations ; inner membrane short, not passing above the 

 large compound annulus. Minute male buds, evidently from 

 the germination of spoi-es, occur on various parts of the fertile 

 plants. — Proc. Amer. Acad. v. 281. 

 Hab. Enterprise, Florida ( IF. L. Foster, 1875). 



SuBTRiBE I. AULACOMNIE^. 



Plants radiculose. Leaves densely areolate, the cells small, 

 round or hexagonal-rectangulai*. Capsule ovate-oblong, short- 

 necked. Peristome of Mnhim. 



