HYrxuM. 231 



lanceolate, more or less acuminate, having two short nerves 

 at the base ; capsule oblongo-cylindraceous, inclined ; lid 

 conical. — Eng. M. p. 76; Miill. Si/n. pt. 2. p. 251. 



In shaded moist situations, on rocks or on the ground. 

 Fr. Summer and Autumn. A common and very variable 

 species. The varieties have been described as species by 

 various authors, but we agree with. Sir W. Hooker and other 

 high authorities, in regarding them as mere varieties, from 

 intermediate states being always found in their different 

 places of growth. The var. ohtusifolmm, which is one of 

 the most distinct, is found on the mountains. 



Section 11. Stems {taken in conjunction with the leaves) 

 more or less cylindrical, never plane. 



Subsection 1 . Leaves spreading on all sides.'f 

 A. Leaves uniform in their direction.% 

 a. N^erve reaching to or beyond the point. 

 ■^ Leaves without serratures on the margin. 

 6. Hypnum medium, Dicks. [Long-headed Feather 

 Moss.) Leaves ovate, obtuse, concave, entire, slightly fal- 

 cato-secuud, the nerve reaching to the summit ; capsule cy- 



f Not secund, or inclined to one side. 



X Not squarrose, or with their points recurved. 



