— 354 — 



aa. Capsule thick short-piriform. Monoecious. 

 20.B.Saiiteri Bryol. eur. 



Leaves entire narrowly ovate-oblong not reflexed; costa long- 

 excurrent. Tufts reddish green or brownish, — Wet sand by 

 alp. rivulets r. Eur. Austria: Gander. 



bb. Capsule gen. narrow. Dioecious 

 21.B.erythrocarpnm Schwsegrichen. 



Leaves narrow serrulate above, reflexed below middle, often 

 decurrent; the uppermost with excurrent costa. Tufts yellowish 

 green. Often with red bud-like propagula. — Sandy places 

 princ. below alps. Eur. not uncommon. Sweden, Switzerl.! 

 Amer. »U. S.»: Lesq. et .Jam. 

 22.B.miirale Wilson. 



Leaves ovate-oblong not reflexed gen. entire, not decurrent; 

 costa excurrent. Tufts yellowish green, or reddish below. — 

 Stone-walls and rocks in lower distr. r. Eur. Switzerl.! Greece: 

 Heldreich. France: Le Jolis. 



B. Leaves limbate. Capsule not strangulate. Dioecious. 



a. Leaves serrulate above. Capsule narrow. 

 23.B.margmatnm Bryol. eur.; Husnot m. gall. 



Leaves ovate-oblong not reflexed; costa subpercurrent. Tufts 

 dense brown-red. — Sandstone rocks r. Eur. » Germany: Bruch»: 

 Schimper. 

 24.B.Bomans80nii Lindberg. 



Leaves ovate-lanceolate reflexed below; costa long-excurrent. 

 Tufts brown loose. — Eur. r. Finl.: Bomansson, com. Brotherus. 



b. Leaves nearly entii-e, not distinctly reflexed. Capsule 

 sometimes thick. 



25.B.rubens Mitten; Braithwaite biit. mossfl. 



Leaves ovate-oval; costa excurrent. Capsule narrow; lid api- 

 culate. Tufts somewhat loose yellowish green, or reddish below. 

 — On ground r. Eur. »Engl.s: Braithwaite. 

 26.B.micro-erythrocarpuin C. M. et Kindb. 1. c. 



Leaves ovate-oblong; costa gen. subpercurrent. Capsule thick 

 piriform; lid rostellate. Tufts dense finally rufescent. — Wet 

 gravel near water. Amer. Can. Vane, isl.: Macoun. 

 4. Alpiniformia. 



A. Leaves distinctly limbate (at least the lower) and reflexed; 

 costa gen. percurrent. 



a. Leaves obtusate subobtuse; the lower broadly recurved 

 and limbate; the uppermost not limbate and nearly flat. Cap- 

 sules unknown. 



