HYPNOM. 229 



recarved. Capa. oblong, tapering at base, cernuoiis, 

 lid conical. May, June. 



Stones in alpine and sabalpine streams, &c. 



Var. /3. FLACCiDUM, Milde. Torksbire. 



Sub-genus 11. Ghrysobryum. 



Prostrate, slender, flaccid, forming flat, golden-glossy 

 patches. L. roundish or elliptical, concave, nerveless 

 or faintly 2 -nerved, cells largish, linear, fusiform, 

 sometimes enlarged hyaline at angles. 



660. H. micans, Wils. St. prostrate, very slender, 

 filiform, branched. L. small, subsecund, almost orbi- 

 cular, concave, apiculate, serrulate, sometimes faintly 

 2-nerved at base ; br. 1. smaller. Fruit not known. 



Shady rocks. 



South of Ireland, Borrowdale. 



Sub-genus 12. Calliergon. 

 Erect or procumbent, stem simple or more or less 

 pinnate, generally eradiculose. L. patent, farely sub- 

 complanate or subsecund, cordate-ovate and ovate- 

 oblong, thinly single-nerved or shortly 2-nerved, 

 shining, areolas linear. Caps, oblong, incurved, cer- 

 nuous, lid mamillate or convexo-conical. 



a. Stem more or less regularly pinnate. Leaves 



patent or loosely imbricate. 



Monoicoua. 



561. H. cordifolium, Hedw. Bright green aibove, 

 reddish-brown below. St. 3 — 6 in., erect, subpinnate. 

 Br. short, slender. L. spreading, almost squarrose, 

 convolute and cuspidate at tip of branches, distant, 

 cordate-ovate, obtuse or slightly apiculate, concave. 



