EHTNCHOSTEGIUM. 207 



Shady mountainous rocks. Winter. 



North Wales, Ireland. 



b. Tenellce. 



St. creeping. L. narrowly lanceolate. Caps, solid- 

 walled, seta rough or smooth. Monoicous. 



500. R. tenellum, Dicks. St. and br. very short, 

 creeping. L. erecto-patent, narrowly lanceolate, acu- 

 minate, almost setaceous, light green, entire, nerved 

 nearly to ape?. Caps, ovate, cernuous, on a smooch 

 , seta, lid beaked. 



Walls and rocks, principally limestone! Spring. 



501. R. curvisetum, Brid. Low and broadly c^spi- 

 tose. Br. erect or spreading, irregular. L. erecto-' 

 patent, remote below on stem and branches, clustered 

 at summits, and narrowly oblong-lanceolate, acuminate, 

 concave, nerved half way, margin more or less distinctly 

 serrate, basal cells hyaline. Caps, oval or oblong, 

 horizontal, seta roughish, flexuose. 



Stones and rocks near streams. Autumn. 



South of England, Yorkshire. 



c. Depressce. 



Plants low, ceespitose, soft. L. broadly oblong, thinly 

 nerved, seta smooth. 



* Dioicous. 



502. R. depressam, Bruch. St. prostrate, pinnate. 

 Br. thickest in middle — both very short. L. compla- 

 nate, rarely subsecund, crowded, ovate-oblong, shortly 

 acuminate, slightly concave alid finely serrulate, shortly 

 and faintly 2-nerved. Caps, oval-oblong, curved, cer- 

 nuous, lid not as long as capsule, and long beaked. 



Rocks and stones, especially limestone. Autumn. 



