— 118 — 
radiculose green faintly glossy. Stem irregularly divided; bran- 
ches not compressed. Habit of B. intricatum. — Limeston 
rocks r. Amer. Can. Ottawa: Macoun 1892. = 
b. Leaves not plicate, those of branches denticulate all 
around. : 
41.B.velutinum L, — Hypnum L.; Brachythecium Br. eur 
in part; 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! Amer. not com- = 
mon. Can.: Macoun. 00 
42.B.intricatum Hedwig. — »Hypnum Hedw.; Schreber; Bri- 
del»: C. M. syn; Brachythecium Kindb.; Hypnum declivum 
Differs from the last: Leaves shorter and less distant not 
distinctly decurrent, us. faleate 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.! Franeel; Boulay. Belgium: Gravet. Italy: Ar- 
eangeli. Amer. Can.: Macoun. U. S.: Roell. 
* B.salicinum Bryol. eur. 
Pedicel of capsule wholly or nearly smooth. — Trees r. Eur. 
Spain: Dieck, com. Roell. France: Philibert. 
43.B.venustum Notaris. — B. olympieum Juratzka. 4 
Differs from B. velutinum: Leaves shorter and nearly uniform 
with long filiform or sublinear point, long-decurrent gen. recur- 
ved below nearly to middle, often subfaleate 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 
Norrkeping: A. Grape. ? 
44.B.subintricatum Kindb. revue bryol, 1895. 
