— 269 — 



* Cbrevifolius Milde. — C. dimorphus Philibert. 



Leaves ovate-oblong; eoeta often long-excurrent. — R. Eur. 

 Switzerl.: Philibert. Amer. U. S. Oregon: Lyall, com. Macoun. 



* C.xanthopns Sullivant. 



Leaves long-subulate; costa gen. excurrent. Perichetial leaves 

 2 or 3 more distinct. Pedicel yellow. — Amer, r. Can. Brit, 

 Col.: Dawson, com. Macoun. 



* C.arcticns Kindb. n. subsp. 



Leaves small subdecurrent, not much patent when moist; cells 

 hyaline not chlorophyllose, larger than in the common G. pur- 

 pureus. Tufts compact tomentose. Capsules unknown, — Arctic 

 distr. r. Eur. Spetsbergen near Kobbebay: Berggren 1868. 

 2.C.C0nicus Hampe. — Trichostomum Hampe; Ceratodon Lindb.; 

 C. minor Austin. 



Differs from C. purpureus: Leaves shorter; costa not r. excur- 

 rent. Capsule straight; teeth immarginate with few articula- 

 tions. — Earth and walls r. Eur. Switzerl.!; Mari. Amer. Can. 

 Brit. Col.: Macoun. 

 S.C.ColumbiaB Kindb. revue bryol. 1896, 



Leaves narrowly ovate-lanceolate subulate-acuminate, reflexed 

 below the somewhat long serrulate acumen; costa gen. excur- 

 rent. Inner perichetial leaves (2 or 1) with somewhat long 

 linear or Ungulate acumen. Capsule curved when dry; teeth 

 with numerous articulations, broadly margined; lid short-conic 

 obtuse or subconvex; pedicel red. Outer perigonial leaves with 

 long-excurrent costa. Monoecious. — Amer. r. Pacif. distr. 

 Can. Brit. Col.: Macoun. 



B. Leaves concave, princ. those of the long shoots. Peri- 

 gonial leaves obtuse, the outer not long-acuminate. 

 4.C.heteropliyllus Kindb. in Ottawa Nat. vol. V, 



Leaves of the short stem very few, narrowly ovate-lanceolate 

 subobtuse entire reflexed; costa percurrent. Shoot-leaves small 

 oval obtuse not distinctly reflexed; costa scarcely percurrent. 

 Capsule short not curved; teeth with few articulations; lid 

 short-conic; pedicel pale red or yellowish, finally red or blackish. 

 Dioecious. — Arctic distr. r. Amer. Alaska: J. M. Macoun, 



111. Oelieebia Schimper. 

 l.G.gigaiitea Funck. — Barbula Funck; Geheebia Boulay. 



Leaves papillose entire carinate, reflexed below, gradually 

 acuminate or subovate-lanceolate with acute or subulate apex, 

 subfalcate when moist, spreading or faintly crisped when dry; 

 lower cells sinuous, upper subquadrate; costa subpercurrent. 



