— 852 -^ 



* B.Gaspeannm Kindb. 1. c. 



Nearly all leaves narrow: uppermost Bhort-decarrent, lower 

 subHmbate; costa sometimes loBg-excurrent. Capsules unknown. 

 — Wet rocks r. Amer. Can.: Macoun. 

 IS.B.alpiniforme Kindb. cat. Can. m. 



Leaves not reflexed, ovate-oblong short-acuminate or apiculate; 

 cells Bubrhombic; costa gen. short-excurrent. Capsules unknown. 

 Tufts somewhat dense. — Rocks r. Amer. Can.: Macoun. 



B. Leaves us. red, gen. not much distant, limbate; costa 

 percurrent or shoi-t-excurrent; shoot-leaves us. decurrent. Cap- 

 sule shorter than neck, not or indistinctly constiicted below 

 mouth, often oblique. 



14.B.pallens Swartz. 



Leaves us. reflexed to above middle, ovate-oblong or subob- 

 ovate, acute or acuminate, entire or nearly so, brownish or 

 yellow limbate, somewhat twisted when diy. Capsule us. oblique 

 with often curved neck; teeth yeUow; endostome nearl}' orange; 

 lid mamillate; cilia sometimes not appendiculate; spores r. large. 

 Stem us. low (about 1 c. m.) and sparingly radiculose near 

 base. Tufts loose. Easily confounded with B, arcticum. — 

 Moist earth, sometimes on stone-walls, often in alps. Eur. 

 common. Sweden, Norway, Switzerl.! Amer. r. Can.: Macoun. 



* B.rufescens Kindb. n. subsp. 



Leaves very distant, entire, faintly or not reflexed, spreading 

 when dry. Tufts dense rufescent 6 — 8 c. m. high. Capsules 

 unknown. — - Alp. districts r. Eur. Norway, near Kongswold! 

 *B.fallax Milde. 



Leaves scarcelj' reflexed, oval-ovate narrowly limbate us. not 

 red; costa gen. percurrent. Capsule us. not oblique; lid api- 

 culate; cilia not appendiculate. Tufts low less loose. — Wet 

 rocks princ. in higher alp. region r. Eur. Norway! Fi-ance: 

 Boulay. Amer. Alaska: J. M. Macoun. 

 *B.baldense Venturi. 



^Capsule symmetric; cilia not appendiculate. Costa of leaves 

 gen. abbreviate. — Calcareous alp. rocks r. i?ur. Austria*: Vent. 



C. Leaves us. greenish, more or less loosely disposed. Cap- 

 sule strangulate, not oblique. 



a. Leaves obtuse; costa abbreviate. 

 15.B.Cyclophyllum Schwsegrichen. — Mnium Schw.; Bryum B. E. 



Leaves not distinctly limbate, round-oval or broadly obovate, 

 loosely disposed, not distinctly decurrent, not or scarcely re- 

 flexed. Capsule brown-yellow; neck short. Stems not or loosely 



