— 269 — 
* C.brevifolius Milde. — C. dimorphus Philibert. 
"Leaves ovate-oblong; costa often long-excurrent. — R. Eur. 
Switzerl: Philibert. Amer. U. S. Oregon: Lyall, com. Macoun. 
* C.xanthopus 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.arcticus Kindb. n. subsp. 
Leaves small subdecurrent, not much patent when moist; cells 
hyaline not chlorophyllose, larger than in the common C. pur- 
pureus. Tufts compact tomentose. Capsules unknown. — Arctic 
distr. r. Eur. Spetsbergen near Kobbebay: Berggren 1868. 
2.C.conicus 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. 
3.C.Columbie 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 lingulate 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. 
. 40.heterophyllus Kindb. in Ottawa Nat. vol. V. 
Leaves of the short stem very few, narrowly ovate-lanceolate 
. Sübobtuse 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. Geheebia Schimper. 
L.@.gigantea Funck. — Barbula Funck; Geheebia Boulay. 
: Leaves papillose entire carinate, reflexed below, gradually 
acuminate or subovate-lanceolate with acute or subulate apex, 
. Bübfaleate when moist, spreading or faintly crisped when dry; 
. lower cells sinuous, upper subquadrate; costa subpercurrent. 
