348 BOTANY. 



Hab. — Twin Lakes, on moist ground. 



Brachythecium collinum, Schl. 



Hab. — Twin Lakes, on the banks of creeks. 



EURHYNCHIUM STRIGOSUM, Hofl'm. 



Hab. — Twin Lakes, by the roots of trees in woods. 



Eurhynchium piliferum, Schreb. 



Hab — Twin Lakes, on shaded ground. 



Amblystegium SrRUCEi, 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 ; perichsetial 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 ground. 



Hypnum stellatum, Schreb. 



Hab. — Twin Lakes, on moist ground. 



Hypnum aduncum, Hedw. 



Hab. — Twin Lakes, on the banks of running streams. 



Hypnun aduncum, var. ft. gracillescens, B. & S. 



Hab. — Twin Lakes, on damp, shady ground. 



Hypnum aduncum, var. 8. tenue, B. & S. 



Hab. — Twin Lakes, in similar places. 



Hypnum aduncum, var. <5. giganteum, B. & S. 



Hab. — Twin Lakes, in standing water. 



Hypnum unctnatum, Hedw. 



Hab. — Twin Lakes, on moist ground and old wood. 



Hypitum ejlicinum, Linn. 



Hab. — Twin Lakes, along- the banks of streamlets. 



