- 118 — 



radiciilose green faintly glossy. Stem irregularly divided; bran- 

 ches not compressed. Habit of B. intricatum. — Limestone 

 rocks r. Amer. Can. Ottawa: Macoun 1892. 



b. Leaves not plicate, those of branches denticulate all 

 around. 



41.B.velntinuni L, — Hypnum L.; Brachj^hecium Br. eur. 

 in pai-t; B. vagans Milde (a sometimes synoecious variety). 



Leaves long-acuminate not recurved, distant short-decurrent, 

 us. not curved when dry; alar cells very few scarcely distinct, 

 the others linear-lanceolate; costa reaching above middle or 

 shorter. Stem-leaves ovate-lanceolate; branch-leaves much nar- 

 rower. Perichetial leaves dentate above. Capsule thick suboval 

 horizontal; pedicel rough. Tufts green often glossy, very radi- 

 culose and dense. Stem us. pinnate. — • Stone and wood. Eur. 

 common below alp. regions. Sweden, Switzerl.l Amer. not com- 

 mon. Can.: Macoun. 



■±2.B.intricatuin Hedwig. — sHypnum Hedw.; Schreber; Bri- 

 dels: C. M. syn.; Brachythecium Kindb.; Hypnum declivum 

 Mitten. 



Differs from the last: Leaves shorter and less distant not 

 distinctly decurrent, us. falcate or incurved when dry; alar 

 cells distinct hyaline not few. Stem-leaves ovate-oblong or 

 broadly ovate-lanceolate, branch-leaves not much narrower. 

 Stem r. pinnate. Tufts sometimes golden glossy. — Stone and 

 wood. Eur. probably common below alp. regions. Sweden, Ger- 

 many, Switzerl.l France!; Boulay. Belgium: G-ravet. Italy: Ar- 

 cangeli. Amer. Can.: Macoun. U. S.: RoeU. 

 *B.salicinum Bryol. eur. 



Pedicel of capsule wholly or nearly smooth. — Trees r. Eur. 

 Spain: Dieck, com. RoeU. France: Phihbert. 

 43.B.TeiiUStuui Notaris. — B. olympicum Juratzka. 



Differs from B. velutinum: Leaves shorter and nearly uniform 

 with long filiform or sublinear point, long-decurreut gen. recur- 

 ved below nearly to middle, often subfalcate at least when 

 dry. Capsule oval-oblong arcuate; pedicel smooth. Tufts pale 

 green loose sparingly radiculose. — Leaves subdistant; those of 

 stem ovate-oblong; alar cells nearly indistinct; costa reaching 

 above middle or shorter. Branch-leaves broadly ovate-lanceo- 

 late. Stem subpinnate. — Stone and wood r. Eur. Switzerl. 

 near Lugano! Cyprus: Unger. Portugal: Levier. Sweden near 

 NorrkcEping: A. Grape. 

 44.B.subinlricatuui Kindb. revue bryol. 1895. 



