— 250 — 



lower half. Peristome faintly contorted, shorter than tube. — 



Rocks r. Amer. Pacif. distr. Can. Brit. Col.: Macoun. U. S.: 



RoeU. 



14.B.laeTiusciila Kindb. cat. Canad. musci. 



Leaves narrowly Umbate below, snblinear-lingulate obtuse, 

 nearly smooth at the borders, not much twisted when dry; the 

 outer marginal cells in 1 or 2 rows hyaline, inner marginal in 

 2 or 3 rows yellow porose and longer; costa red-brown smooth 

 or indistinctly papillose, more rough near apex; hairpoint gen. 

 wanting, in uppermost leaves denticulate long hyaline or at 

 base red. Capsule narrower than in B. luralis; peristome pale 

 red much contorted and very much longer than tube; pedicel 

 very thin and not long. Tufts high brown. — Rocks r. Amer. 

 Can. Rocky mts: Macoun. 



bb. Leaves somewhat short and less reflexed, not or scarcely 

 curved when moistened. 



15.B.montana Esenbeck. — Syntrichia Es.; Barbula Kindb.; 

 Syntrichia intermedia Brid.; Barbula Milde. 



Leaves subUnear-Ungulate broadly limbate below gen. reflexed 

 to above middle; upper cells smaller than in B. ruralis; costa 

 brown-red less rough; hairpoint of upper leaves us. very long 

 denticulate or r. short. Peristome us. twice contorted. Tufts 

 oUve-green, lower than in B. ruralis. — Stones princ. calcareous. 

 Eur. not r. Sweden, Swltzerl.l Engl.: Rogers. Greece: Hauss- 

 knecht. Amer. r. U. S.: RoeU. 



IG.B.pulviuata Juratzka. — B. danica M. F. Lange; B. lato- 

 excisa C. M. et Kindb. 1. c. 



Leaves somewhat small sublingulate narrowly limbate below 

 by pale green cells, often nearly flat or slightly reflexed; costa 

 nearly smooth us. brown; hairpoint thin faintly rough not long. 

 Capsule somewhat small; teeth once contorted. Tufts brown- 

 green us. not high. — On trees or r. on stones. — Eur. not 

 r. Sweden, Norway, Switzerl.l Amer. r. Can.: Macoun; Roell. 

 * B.papillinervis C. M. et Kindb. L c. 



Upper leaves subacute; costa reddish more papillose. Cap- 

 sule short suboblong. — Amer. r. Can.: Macoun; Waghorne. 

 ' BJeptotricha C. M. et Kindb. 1. e. 



Leaves with nearly smooth haii-point. — Amer. r. Can.: 

 Macoun. 



2. Subulatseformes. 



Ai Leaves us. not reflexed; costa smooth us. excurrent. 

 Peristome shorter than tube. 



