114 HANDBOOK OF BRITISH MOSSES. 



even; sporangium ovate, turgid,, cernnous; lid conical. 

 Hook. Sf Wils. t. xxvi. ; Eng. Bot. 1. 1953. ; (Plate 10, fig. 1) ; 

 Moug. Nest. n. 233. 



Pastures, woods, etc. Extremely common. Bearing fruit, 

 but rarely, in winter. 



Dioicous ; forming green, soft tufts, about 2 inches high. 

 Stem generally erect, but sometimes arched or slightly pro- 

 cumbent, sparingly divided with a few distant branchlets 

 which sometimes root at the extremity ; stem-leaves densely 

 crowded, broadly ovate below and erect, strongly acuminate 

 above, and suddenly curved back, slightly serrate, substriate, 

 two-nerved at the base, or more rarely nerveless ; cells narrow, 

 with a few larger at the base; branch-leaves narrower, less 

 squarrose, the terminal leaves being patent ; perichsetial leaves 

 recurved ; fruitstalk about an inch long, even ; sporangium 

 ovate or roundish-ovate, cernuous ; lid conical, acute. 



Distinguished from H. loreum by its scarcely striated, squar- 

 rose, and by no means secund leaves, and from H. triquetrum 

 by its slender stems, smaller size, less cordate and less striated 

 leaves. 



59. H. triquetrum, L. ; stem ascending, simple, or with fas- 

 ciculate somewhat pinnate branches; stem-leaves squarrose, 

 sulcate ; branch-leaves spreading ; all more or less deltoid or 

 cordate below, acuminate, serrate two-nerved; fruitstalk 

 even ; sporangium ovate, cernuous. Hook. Wils. t. xxvi. ; 

 Eng. Bot. t. 1622.; (Plate 9, fig. 3) ; Moug. ty Nest. n. 235. 



In woods, on banks, etc. Very common. Bearing fruit in 

 winter and early spring. 



Dioicous; forming tall, stiff, shining tufts, several inches 

 long, of a yellowish-green. Stems red, ascending, arched, 

 nearly simple or branched, principally by means of innovations, 

 in a fastigiate manner, smooth ; stem-leaves squarrose, deeply 



