NEW AND RARE MOSSES FROM BEN LAWERS 835 
the papille ; the one in fact being the widely spread British and 
n. is ex M 
with the result that Dickson’s type was found to be not the P. atro- 
P, patens Limpr. is a less frequent and less widely distributed 
plant in Europe than P. atrovirens B. & 8. Both occur with us; 
the latter on several of the higher Scotch mountains—on ben 
atens, on the other hand, 
curved downwards, and the stems and branches hooked or curved at 
apex ; the cells at mid-leaf are irregularly 0 
described above for Myurella julacea). ‘In P. patens the leaves are 
ing i i ent from the stem when 
spreading in all directions and divergen St iaaatae. 
illa in the middle 
