HTLOCOMIUM. 233 



shortly 2 -nerved, margin recurved below. Caps, ovate, 

 curved, cernuous, lid convex, tapering into a long beak. 

 Dioicous. 



Grassy banks, woods, &c. April. 



b. Irregularly pinnate. Leaves patent, lid mamillate 

 or shortly beaked. 



571. H. umbratum, Ehrh. St. arched, suberect, with 

 "branched villi, irregularly bipinnate. L. yellowish- 

 green, glossy, decurrent, obcordate-acuminate, serrate, 

 plicato-striate, nerve unequally bifurcate ; br. 1. smaller, 

 ovate, and less acuminate. Caps, short, roundish, 

 obovate, curved, cernuous, lid conical, acute. Dioicous. 



Alpine woods on stones. November. 



572. H. Oakesii, Sulliv. St. arched, irregularly and 

 distantly pinnate, with branched villi. L. larger, 

 elliptical, concave, not cordate, plicato-striate, sharply 

 acuminate, from middle upwards serrate or coarsely 

 denticulate, singly nerved half way or shortly 2-nerved, 

 margin recurved ; per. 1. squarrose. Caps, roundish 

 ovate, turgid, cernuous, lid conical, shortly beaked. 

 Dioicous. 



Alpine rocks. Autumn (?). 



573. H. brevirostrum, ^Ar/i. St. 2 — 6 inches, arched, 

 erect, with branched villi, irregularly bipinnate ; st. 1. 

 distant, almost squarrose, plicato-striate, cordate, and 

 suddenly acuminate; br. 1. ovate-acuminate, not so 

 suddenly acuminate, striate — all serrulate and 2-nerved 

 half way. Caps, roundish ovate, cernuous, lid conical, 

 tapering into a rather long, inclined beak. Dioicous. 



Mountainous woods. Spring. 



c. Leaves squarrose. 



574. H. squarrosum, Linn. St. 2 — 3 inches, reddish. 



