— 83 — 



oblong-lanceolate, middle sublinear, alar large. Branch-leaves 

 often curved and acute, sometimes sinuolate near apex. Cap- 

 sule subovate or arcuate; lid obtuse; pedicel not long. Leaves 

 often large, us. green or ochraceous. — Stones in running water 

 princ. in northern alps. Eur. not r. Norway common, Sweden! 

 Spain: Levier. Amer. Alaska: J. M. Macoun. Can. not r.: Ma- 

 coun, fruiting; Moser; Waghorne. 

 ll.C.GrOUlardi Sohimper. — Hypnum Sch. 



Leaves small not falcate, broadly subcordate obtuse very 

 concave; cells suboblong or oblong-lanceolate exc. the small 

 alar. Capsule very small, faintly curved; lid obtuse; pedicel 

 short. Tufts dark green. Branches often very long. — Earth 

 and stones in upper alp. region r. Eur. Norway (fruiting)l 

 Sweden: E. Nyman. Austria: Breidler. Amer. Can.: Macoun. 

 Greenl.: Berggren. 



B. Leaves crenulate all around; costa subpercurrent. Stem 

 rigid when dry; branches not long. 

 12.C.torrentis C. M. et Kindb. — Hypnum cat. Can. m. 



Leaves smaller than in the last, subcircular not falcate, re- 

 curved below; cells as in the last. Capsules unknown. Stem 

 filiform. — Rocks in mountain torrents r. Amer. Can. Rocky 

 mts: Macoun. 



3. Molliformia. 



A. Monoecious often fruiting. Leaves us. denticulate above. 

 Stem eradiculose. 



a. Alar leaf-cells large, in elder leaves finally red. 

 IS.C.eugyriuni Sohimper. — Hypnum Sch.; H. subeugyrium 

 Renauld et Cardot ? 



Leaves ovate-oblong either obtusate (obtuse and cucullate at 

 apex or acute) or short-acuminate, entire or near apex faintly 

 denticulate; cells gen. sublinear exc. the alar; costa us. double. 

 Capsule subobovate or slightly curved; lid obtuse; pedicel not 

 long. Tufts us. brownish with golden gloppy branch-tops, 

 sometimes green. — Rocks in running water or near lakes gen. 

 r. Eur. Germany! Sweden: C. Hartman. Engl.: Rogers. Amer. 

 Can.: Macoun; Moser; Waghorne. 



It). Alar leaf-cells small nearly indistinct; the inner dilated. 

 Stem rigid at least when dry. 

 14.C.arcticum Sommerfelt. — Hypnum Somf. 



Leaves subcircular obtuse entire or very faintly sinuolate 

 above, crowded, small or large; inner cells oval-oblong; costa 

 us. double. Capsule small faintly curved; segments not split; 



