— 131 — 
Leaves entire large crowded shining; costa reaching to the 
acumen, often brown. Stem-leaves from subovate or ovate- 
oblong base tapering to a shorter, subulate filiform-pointed 
acumen, Branch-leaves gen. ovate-lanceolate longer-acuminate. 
Capsule large arcuate; teeth pale; pedicel 3—5 c. m. long. 
Tufts yellowish or. brown, — Gen. r. Eur. Sweden! England: 
Holt. France: Husnot. Amer. »Greenl»: Berggren. »U. S.»: 
Lq. et Jam. | 
.b. Leaves short-decurrent not plicate. Stem us. subpinnate. 
14.H.aduncum L.; Hedwig; Schimper. 
Leaves crowded not large, from subovate base tapering to a 
longer sometimes denticulate acumen, r. ovate-lanceolate, Cap- 
sule small; pedicel not long. Tufts green or yellowish. — Eur. 
probably not r. Norway fruiting! Germany: Schimper (com. 
as »the typical H. aduncum»). Amer. r. U, S. Roell. Can.: 
Macoun; Waghorne. 
15.H.Wilsoni Schimper. 
Leaves distant large, from ovate lanceolate base tapering to 
a shorter gen. entire acumen. Capsule large slightly curved; 
pedicel very long. Tufts dusky green. — R. Eur, Eng]. South- 
port near sea, fruiting: G. A. Holt; T. Rogers. Sweden, isl. 
Gothland: Zetterstedt, com. E. Haglund. Amer. U. S.: Roell. 
€. Tufts loose eradiculose. Leaves long-decurrent not striate, 
Often not falcate; alar cells large. 
à. Capsule large not (exc. H. capillifolium) annulate; pedicel 
very long. Leaves gen. long and narrow; cells linear exc. the 
alar; costa us. long. Sometimes monoecious, less r. fruiting. 
16. H.fluitans L. 
Leaves from narrowly ovate-oblong or ovate-lanceolate base 
tapering to a gen. longer acumen, us. entire and green. — 
. common: below alps, r. in alp. regions. Sweden, Norway! 
Amer, Can.: Macoun. Greenl.: Berggren. 
17.H.eapillifolium Warnstorf. 
Differs from the last: Costa of leaves gen. long-excurrent. 
Capsule annulate»: Renauld. — Hur. r. Norway! Germany: 
Warnstorf, 
18.H.exannulatum Guembel. 
Leaves from ovate-lanceolate base tapering to a gen. shorter 
acumen, us. denticulate below and reddish or brown, r. green, 
often very distant. — Eur. common in northern districts, princ. 
. in alp. regions, r. in southern districts. Sweden, Norway! Amer. 
. Can. not r.: Macoun;. Waghorne. Greenl.; Berggren, 
