— 266 — 



branches broadly ovate-lanceolate; cells short small pellucid 

 exc. the elongate alar; costa red not excurrent. Capsules un- 

 known. Tufts 2 — 3 c. m. high somewhat dense; stem naked 

 below. — Eocks r. Amer. Can. Rocky mts; Macoun. 

 c. Fallaciformes. 



A. Peristome very much contorted. Leaves faintly papillose. 

 83.B.fallax Hedwig. 



Leaves with ovate base and carinate not much longer acu- 

 men, reflexed at least below middle, us. curled when dry; 

 nearly all basal cells quadrate. Capsule brown oblong-cylindric; 

 annulus not distinct. Tufts us. dense and not low, often ru- 

 fescent below. — Earth and stone. Eur. common. Sweden, 

 Switzerl., Italy! Amer. not common. Can.: Macoun. 

 * B.brcTifolia Smith. — Tortula Sm.; Barbula Bridel. 



Leaves smaller and shorter, nearly appressed when dry. 

 Capsule smaller; teeth shorter. Tufts us. low and rufescent. 

 — Rocks. JEur. not r. SwedenI 

 84.B.subfallax C. Mueller. 



» Differs from B. fallax in its pale green color, basal leaf- 

 cells more distinctly rectangular, capsule short-pedicellate, annu- 

 lus simple; perichetial leaves longer and larger. — Amer. r. 

 U. S.»: Lesq. et Jam. 



B. Peristome not or faintly contorted. Leaves distinctly 

 papillose. 



85.B.reflexa Bridel. — B. recurvifolia Schimper. 



Leaves narrowly ovate-lanceolate gradually subulate-acuminate 

 sharply caiinate, falcate when moist. Capsule subcylindric; 

 teeth once contorted. Tufts us. brown and very high. Very 

 r. fruiting. — Calcareous stones. Eur. not r. Sweden, Switzerl. 1 

 Engl.: West. Amer. r. Can.: Macoun; Drunimond 139. 

 86.B.8parsiden8 C. M. et Kindb, 1. c. 



Leaves small ovate-lanceolate carinate reflexed nearly all 

 around; lower basal cells rectangular hyaline. Capsule small 

 reddish oblong-cylindric; teeth loosely half-twisted with sprea- 

 ding points when dry. Tufts loose 0,5 — 1 c. m. high, 

 green above, ferruginous below. — On earth r. Amer, Can. 

 Brit. Col.: Macoun. 

 87.B.seinitorta Sullivant. 



sUpper leaves linear-lanceolate gradually tapering from near 

 the base, flat at borders, tufted and squarrose; costa thick 

 percurrent. Capsule cylindri& oblong; teeth half- twisted; annu- 

 ls 



