348 BOTANY. 
Hab.—Twin Lakes, on moist ground. 
BRACHYTHECIUM COLLINUM, Schl. 
Hab.—Twin Lakes, on the banks of creeks. 
EuRHYNCHIUM stRIGosuM, Hoffm. 
Hab.—Twin Lakes, by the roots of trees in woods. 
HURHYNCHIUM PILIFERUM, Schreb. 
Hab —Twin Lakes, on shaded ground. 
AmBLystecium Sprucet, Brch—In small, dense cushions, dioicous ; 
stems capillary, very minute and slender, sparingly and vaguely branched. 
Leaves remote, spreading, narrowly ovate-acuminate, almost entire, nerve- 
less, loosely reticulated ; perichztial leaves attenuated, serrate at the apex. 
Capsule erect or slightly curved, from a distinct neck, oval and obovate, 
and, when dry, widely obconic; peristome yellow; operculum conical, 
acuminate. 
Hab.—Twin Lakes, in moist places on rocks. 
AMBLYSTEGIUM SERPENs, Linn. 
Hab.—Twin Lakes, on old logs, roots of trees, and on the ground in 
wet situations. 
AMBLYSTEGIUM RADICALE, Brid. 
Hab.—Twin Lakes, on old logs and wet casas 
Hypnum steviatuy, Schreb, 
Hab.—Twin Lakes, on moist ground. 
Hypnum apuncum, Hedw. 
Hab.—Twin Lakes, on the banks of running streams. 
HyYpnun ADUNCUM, var. #7. GRACILLEscENS, B. & S. 
Hab.—Twin Lakes, on damp, shady ground. 
HypnuM apuncum, var. 6. TENUE, B. & S. 
Hab.—Twin Lakes, in similar places. 
Hypnum apuncouM, var. é. GiGanreum, B. & S. 
Hab.—Twin Lakes, in standing water. 
Hypnum uncrnatum, Hedw. 
Hab.—Twin Lakes, on moist ground and old wood. 
Hypnum riticinum, Linn. 
Hab.—Twin Lakes, along the banks of streamlets. 
