BARNES — NORTH AMERICAN MOSSES. 279 



ulate, inner ones smaller, margin plane: sterile. Hedwigia 32: 205. 1893. 

 — Growing on rocks: Washington. 



135. Barbula snbj^racilis C. M. & Kindb.— Densely tufted; plants 

 small, about 6 mm. high, green above, reddish brown below, nearly sim- 

 ple: leaves when dry subcrispate, when moistened squarrose, curved from 

 ovate base, narrow, long subulate, nearly smooth; borders reflexed nearly 

 all around; lower basal cells rectangular, more pellucid; costa reddish, 

 percurrent or short excurrent: inner perichagtial leaves broad, blunt, with 

 a long excurrent costa, others acuminate, all faintly crenulate: capsule 

 oblong cylindric, red-brown, longer than obliquely subulate lid; seta red: 

 dioicous. Allied to B. graeiHs. Mac. Cat. 53.— On rocks: Yale, B. C. 



136. Barbula subgracilis viridior Kindb.— Plants higher, about 1.5-2 

 cm., green and branching above, decolorate-brown below: leaves when dry 

 crispate, more papillose; costa green: capsules not found. Mac. Cat. 263. 

 — On rocks: Sydenham river, Ont. 



137. Barbula subicmadophila C. M. & Kindb.— Laxly tufted: plants 

 about 1 cm. high, pale brown, nearly simple: leaves when dry loosely ap- 

 pressed, when moistened subsquarrose or patent, nearly straight, short, 

 ovate-lanceolate, acute, faintly papillose; borders slightly reflexed at base, 

 inflexed at upper part, papillose crenulate; cells nearly uniform, roundish 

 or subquadrate, apical often larger and pellucid; costa pale, percurrent: 

 perichjetial leaves from a short ovate base long-acuminate sublinear; costa 

 dark brown, long excurrent, filling nearly whole acumen: capsule oblong- 

 cylindric, finally blackish; pedicel dark brown: dioicous. Mac. Cat. 53.— 

 On dry rocks, covered at high water: Yale, B. C. 



138. Barbula melanocarpa C. M. & Kindb.— Laxly tufted: fertile 

 stem nearly simple, about 2 mm. high, the barren branching, 4 mm.: leaves 

 when dry appressed, not twisted, when moistened open, olive green, short 

 ovate, lanceolate acute, slightly papillose; borders reflexed below middle; 

 cells nearly uniform, roundish or subquadrate; costa brown, short excur- 

 rent: perichcetial leaves from ovate oblong base long acuminate, costa 

 filling whole linear acumen: capsule oblong-cylindric, straight, finally 

 blackish, obliquely short beaked; annulus not distinct, pedicel red: dioi- 

 cous. Mac. Cat. 54.— On rocks close to the water: Yale, B. C. 



139. Barbula spadicea Mitt.— Dioicous: resembling B. fallax, but 

 more robust, in looser thicker tufts, dull brownish green above, fuscous 

 below: stems simple or branched: leaves when dry incurved and imbri- 

 cated, when moist spreading from the base, recurved, from a broadly ovate 

 base elongated lanceolate, channelled, margin recurved in lower half, folds 

 more distinct, nerve strong, distinct to apex; cells incrassate and rounded 

 quadrate from base, only lowest elongated oval, obscure above, papillose: 

 perichfetial leaves lanceolate, recurved from a long, lax-celled base: seta 

 red; capsule erect, cylindric, slightly curved, castaneous with a red mouth; 



