-— NÉE 
Perichetial leaves long-acuminate with filiform point. Capsule 
curved; lid mamillate. — Shaded rocks r. Amer. Pacif. distr. 
Can.: Macoun; Roell. U. S.: Bolender, com. C. Mueller. 
15.C.arenarium | Lesquereux. 
Differs from C. aureum: Stem-leaves more distinctly recurved; 
branch-leaves serrate above. Branches less crowded us. Straight. 
Tufts dirty yellowish. — Sandy ground r. Amer. Pacif. distr. 
Can.: Macoun. U. S.: Bolender, com. C. Mueller and Renauld. 
b. Leaves long narrow somewhat large. Capsules unknown. 
16.C.sericeoides C. M. et Kindb. cat. Canad. m. 
Leaves long-aeuminate subulate; those of branches denticulate 
. at acumen, entire below; inner cells linear.  Perichetial leaves 
.  Rérrate to below middle, gradually acuminate subulate. Stem 
. not creeping; branches curved. — Rocks r. Amer. Can. Brit. 
Col.: Macoun. 
B. Leaves small and, at least on those of branches, denti- 
culate gen. all around. Branches crowded and us. curved. 
a. Leaves long narrow gradually long-acuminate. Stem pin- 
hate, 
17.C.Nuttallii Wilson. — Hypnum Wils.; Sull. ic. muse; 
 Camptothecium Schimper. — 
_ Leaves subulate-acuminate decurrent, broadly recurved often 
to middle, minutely serrulate above to below middle, stronger 
dentate at base; inner cells linear. Capsule narrowly ovate- 
. oblong, slightly curved; teeth orange; segments long or short; 
_ Cilia rudimentary; lid apiculate or rostellate. Stem us. cree- 
Ping; branches short. Tufts us. golden glossy. Sometimes 
pseudo-monoecious. — On trees and logs, r. on rocks. Amer. 
. Pacif. distr. r, Can.: Macoun Canad. musci n. 280. U. S.: Roell; 
. Boliender, com. Renauld. 
.l&C.hamatidens Kindb. bull. Torr. club XVI. 
Differs from the last: Leaves sharply hooked-dentate at base 
and at acumen, nearly entire in middle. Capsule subovate; 
Segments long split in two divergent legs; cilia distinct, Stem 
Dearly eradieulose with often long branches. Tufts often green 
and silky glossy, — On rocks r. on trees. Amer. Pacif. distr. 
7585 r. Can.: Macoun. U. S.: Roell and Miss Mann, com. Cardot. 
b. Leaves short and broad. 
„aa. Stem pinnate radiculose. 
. .C.leucodontoides Kindb. revue bryol. 1895. 
, "tem-leaves from short-triangular (subcordate or broad-ovate) 
abruptly narrowed to a long falcate subulate filiform- 
