— 291 — 



S.S.floridanus Sullivant icon. muse. 



Leaves not limbate, entire at the lower part of sheath, pa- 

 pillose-crenulate in its upper part, narrowly ovate-lanceolate, 

 tapering to the eubobtuse apex; upper lamina furnished with 

 2 serrate lamellte at each border; the most cells small dusky, 

 only the lower basal large hyaline; costa papillose, not serrate, 

 at back. Calyptra smooth. Peristomial teeth with 5 — ^^6 arti- 

 culations. Pedicel of capsule shorter than in the last. Tufts 

 brown-green. — Decayed logs r. Amer. r. U. S. south, st.: Fitz- 

 gerald, com. Renauld. 



120. Dialytrichia (Schimper as subgenus) Limpricht. 

 l.D.Brebissoni Bridel. -- Barbula Brid.; Dialytrichia Limpr.; 

 Cinclidotus Husnot; Tortula mucronata Lindb. 



Leaves broad somewhat long sublinear or sublingulate round- 

 obtuse carinate with thickened borders above the hyaline slightly 

 reflexed base; upper cells papillose subquadrate, the basal rect- 

 angular hyaline or faintly colored; costa thick short-excurrent. 

 Capsule suboblong; lid rostellate much shorter; teeth short 

 reddish papillose scarcely once contorted; basal tube short; pe- 

 dicel yellowish red. Stem branched 2 — 5 c. m. high us. erect. Tufts 

 large dark green or dirty brownish. Habit of Cinclidotus riparius. 

 — Base of trees near rivers or stones in rivulets r. Eur. Italyl 

 France: Husnot. Belgium: Roemer. Spain: Bolos, com. Venturi. 

 2.D.caiicellata C. M. — Barbula C. M.; Dialytrichia Kindb. 



Differs from the last: sLeaves yellowish green; stem nearly 

 simple. Capsule cylindric; lid scarcely shorter; teeth smooth; 

 calyptra very rough. — Amer. r. U. S. Texas: Boll»: C. M. 

 in Flora 1873. 



121. Cinclidotus Beauvois. 



A. Leaves narrow long sublinear or nearly subulate, falcate 

 when moist. 

 l.C.aquaticus Jacquin. — Hypnum Jacq.; Cinclidotus Br. eur. 



Leaves crowded entire channelled narrowed from base, faintly 

 curved when dry; nearlj' all inner cells subquadrate faintly 

 pellucid, the marginal short-rectangular; costa thick sublinear 

 excurrent to a thick smooth point, occupying about V4 of la- 

 mina at base. Capsule oblong brown; lid subconic often nearly 

 as long; teeth brittle partly loosed with difficulty; pedicel short- 

 exserted. Tufts brown or dark green. Stem naked below 

 and much branching, often very long to 60 c. m. — Rivulets. 

 Eur. southern distr. somewhat r. Switzerl.l, Schimper. Austria: 

 Venturi. Italy: Arcangeli. Germany: Kolb, 



