— 
than in the last; cells as in the last; costa not distinctly ex- 
current and nearly smooth. Capsule sulcate solitary. Inner 
perichetial entire, attenuate to awn. Tufts us. golden glossy. 
— Damp rocks. Amer. Pacif. dist. not r. Alaska: J. M. Ma- 
coun. Can.: J. Macoun; Dawson. U. S. Oregon: Hertzman; 
Roell; Howell, com. Cardot. 
* D.angustifolium Kindb. l. c. in part. E 
Capsule not sulcate. Leaves nearly entire. — Damp rocks 
r. Amer. Can. Vance. isl: Macoun. E 
b. Leaves less long and not brittle, us. flexuous or crisped 
when dry; costa sometimes somewhat broad. Capsule solitary — 
gen. less large; pedicel not much long. Tufts us. low and not — 
shining. — 
47.).fuscescens Turner. 
Leaves with subulate in upper part more or less serrulate 
acumen, flexuous or crisped; cells us. not porose; angular cell! — 
diversiform, the inner hyaline; other cells of base long, the 
upper gen. short; costa faintly rough at back, us. excurrent 
and somewhat broad. Capsule us. oblique striate or sulcate. - 
Tufts us. grayish green when dry. — Decayed trunks or damp 
rocks in woods not r. Eur. Sweden, Norway! Amer. Can: Ma- — 
coun, U. S.: Roell. vie 
* D.congestum Bridel, R 
Leaves less serrulate with sublinear acumen; cells us. porose; — 
costa us. subpercurrent narrower. Capsule less striate. E 
us. green. — Not r. Eur. Sweden, Norway, S witzerl.! Finl.: s 
Brotherus. Amer. Can.; Macoun; Waghorne. U, S: Roel. — — 
* D.Sendtneri Limpricht. ga - 
Leaves nearly entire less flexuous, sometimes subconvolute; — 
cells porose, upper gen. narrow. Capsule nearly straight. — 
Rocks r. Eur. Norway! Russia: Zickendrath. ad 
* D.subbrevifolium Kindb. n. subsp. iid 
Leaves larger, subconvolute nearly entire; costa not excurrent. 
Capsule sulcate. Stem somewhat high. Habit of D. brevifolium. 
Amer. r. Can. Rocky mts: Macoun. 5 
48.D.congestiforme C. M. et Kindb. l. c. yee 
Leaves with somewhat broad short-subulate nearly wholly 
serrulate acumen, faintly flexuous, larger than in D. fuscescens; 
upper and middle cells porose gen. narrow, the others as p 
the mentionned species; costa distinctly rough at back, not 
excurrent, narrow. Capsule oblique somewhat large and finally 
