;o+ CRYPTOGAMIA MUSCI. 



, drical, but widcft at the top. It has no apo- 

 phyjis- 

 ■ ■ The operrulum is reddifli, almoft fiat, and pointed 



in the centre. Thefe charafters are fufficient to 

 render it a diftin6l fpecies from the preceding. 

 The cdyptra is double, as in the other fpecies. 

 ; llence it appears that the two-fold calyptra af- 

 fords a new and excellent characfter of the ge- 

 nus, hitherto unnoticed by authors. 



friamm ^,. POLYTRICHUM caule ramofo, anthcris fubfef- 



filibus fparfis, calyptris ftriatis furfumve pilofis. 



BRYU MJiriaium. Lin. Sp.pl. 1579 (DiHen. mufc. 



i. SS- f- ^'- 9- 'o opt. Moris.hiji.f. 15. t. 6.f. it,. 



Vail. Paris, t. 27,/. 10. Oed. Dan. /. S'^J. f. s) 

 Striated Polytrichum. Atiglis. 

 Upon trunks of trees, wooden pales, and rocks 



frequent. III. 

 The ftalks are branched, and vary in height frona 



half an inch to two inches, and are covered with 

 lanceolate acute (Iriated leaves. The filaments 

 are extremely fhort, not longer than the anther a y 

 and are fometimes lateral, and fometimes ter- 

 minal. The anthera are cretSt and oval. The 

 calyptra is fingle, conical, membranaceous, ftri- 

 ated, tawny, and thinly covered v;ith ereft, and 

 fomewhat rigid hairs, which fall off in time, 

 and leave the calyptra apparently ftriated. The 

 operculum is yellow and pointed, and the rim of 

 the cnthera, when burfl is radiated with trian- 

 gular dents. 

 ^ Thert 



