ON NEW MOSSES. 



107 



the leaves it approaches Ephcmerum tenerum, Hampe, but even these are longer and nar- 

 rower. The stem, though generally short, is sometimes a little elongated; the leaves are 

 mostly entire, and perfectly nerveless ; inferior ones small, and distantly imbricated. Ma- 

 tures in September. 



Ilali. On damp, day soil; luxuriates on the surface of clay clods, recently thrown up in constructing ditches. 



Camden, New Jersey. 

 Piiascum triquetrum, Spruce, 

 Ilab. Dry soil, near Woodbury, New Jersey. 



P. muticum, Schreb. 



Hub. On the ground in uncultivated fields, Chester County, in 1850, and Indiana County, Pennsylvania. 



I'. SOHIMPERTANTJM, SulUv. 



Ilab. Upper Illinois, on the bare ground, heretofore reported exclusively as Texan. II Hall.* 



V. suiiULATUM, Schreb. 



Ilab. Uncultivated fields in Pennsylvania, New Jersey, and Massachusetts. 



This species assumes various phases, some specimens having an unusually broad costa, 

 others short, inferior leaves. 



P. I'ALUSTRE, Br. and Sch. 



Ilab. On sandy soil, New Jersey and Pennsylvania. 



BHUCIIIA, Sckwdeg. 



B. I'LEXTJOSA, Sch/wag. Var. nigrescens, Sidliv. 



Ilab. On the ground in uncultivated fields, Cambridge, Massachusetts ; heretofore solely from the Southern 



States. 



HYMENOSTOMUM, R. Brown. 



H. MICROSTOMUM, Ji. Br. 



Ilab. On the ground in uncultivated fields, Cambridge, Massachusetts. 



BLINDIA, Br. and Sch. 



B. ACUTA, Br. and Sch. 

 Hal). Glen Ellis, Gorham, New Hampshire. 



Our plant has leaves not quile entire, but slightly dentate, corresponding in other re- 

 tspects with description. 



* Occasionally are inserted species which were not collected by the writer, but which came under hi-* observation, being 



sent for investigation. 



