108 H. N. DIXON AND W. E. NICHOLSON. 



out that it differs from the ordinary form of that species in 

 being more rigid with straighter leaves more abruptly and more 

 finely acuminate with shorter and usually somewhat wider cells, 

 and comes close to his var, compacta of that species. Mons. 

 Gardot writes that be possesses P. radicosa, identical with the 

 American plant, from the Pyrenees. The recorded distribution 

 of Leskea hr achy dados Schwgr. (as P. atrovirens var. hrachy- 

 clados) must no doubt be accepted with some hesitation, as other 

 forms of the group have no doubt passed under this name 



Ps. rigescens Lindb. or P. stenophylla Ren. & Card, was 

 gathered twice on rocks on the side of Bleja, Maristuen, at 

 4000—5000 ft., cfr. Dr. Best confirms the identification, remarking 

 that it only differs from the type in its broader endostomial band 

 and somewhat stouter leaves. 



Printed 24th February 1904. 



