= VB! = 
lanceolate, denticulate above middle, narrowed at base; lamellæ 
. us. 3; costa smooth at back. Capsule subcylindrie or subcla- 
vate; pedicel not long. Stem often high. R. fruiting. — Clay 
soil or among grass near water. Eur. r. Engl: Rogers. Amer. 
less r. Can.: Macoun (fruit.). 
 T.C.tenella Roehling. — Atrichum Br. eur. 
Leaves somewhat small crowded acute not broad, suboblong 
or oblong-lanceolate not much narrowed below, denticulate also 
below middle; lamellee 3—5; costa dentate above at back. Cap- 
sule small oblong; pedicel not long. Stem about 1 c. m. or 
lower — Wet sandy soil in lower regions. Hur. princ. in 
northern distr. Sweden not r.! 
69. Oligotrichum Lamarck et De Candolle. 
A. Leaves narrow subvaginant us. brown, faintly crisped 
. When dry. 
à. Leaves with short lamelle at back. — 
 LO.hereynieum Ehrh. — Catharinea Ehrh.; Oligotrichum Lam. 
et D. C. 
Leaves dentate above at borders and at back, gradually nar- 
. Towed, subulate or acute; lamellae of upper side 8—12 cohe- 
Ting, those of under side 3—5 near base. Capsule suboblong 
not or slightly strangulate; pedicel not long; calyptra often with 
Many hairs. — Sandy ground princ. in alps. Eur. less r. in 
 Borthern distr. Norway! Amer. r. Alaska: J. M. Macoun. 
2.0.integrifolium Kindb. revue bryol. 1894. 
-Differs from the last: Leaves broader, subobtuse entire, smooth 
at back. Capsule thicker below, strangulate plicate when dry. 
. > Alp. region r. Amer. Can. Brit. Col: Macoun. 
— M. Leaves with long lamelle at back. 
: 3.0.aligerum Mitten; Sullivant icon. m. 
| ves longer than in the both last, sublinear subulate or 
A üte, dentate at least above middle of borders; lamelle of 
Upper side 5—8 near costa, those of under side 3—5 near 
sta and 4—-5 near borders. Capsule strangulate narrowly 
 OVateoblong or subeylindrie; lid rostrate; pedicel thin very 
Ong; calyptra with few hairs in upper part. — Clay banks in 
"P. regions r. Amer. Can. Brit. Col: Macoun. à 
B. Leaves broad large not sheathing, green, cirrate-crisped 
When dry; lamellæ long also at back, 3—6 near costa on upper 
 Hde, 2 — 3 near costa and sometimes 1—2 rudimentary near 
| at back. 
