SYNOPSIS OP BBITISH MOSSES. 41 



more or less distinctly pinnate. L. patent, rarely 

 subsecund, from a narrow decurrent base, obcordate- 

 or broadly ovate-lanceolate, serrate, nerved, smooth, 

 cells narrowly rhomboid-hexagonal and subvermicular, 

 dilated at basal angles. Seta rough or smooth. Caps, 

 cernuous or horizontal, turgidly oval or oblong- 

 incurved, lid more or* less long-beaked. Dioicous or 

 rarely monoicous. 



125. Rhynchostegium, Schp, Minute, sometimes 

 larger, creeping, irregularly branched. L. patent or 

 complanate, those of st. and br. similar, lanceolate, 

 ovate or oblong acuminate, nerveless or single nerved, 

 shining, cells narrowly rhomboid. Monoicous or dioi- 

 cous. Caps, cernuous or horizontal, ovate, Hd siibuli- 

 rostrate, seta smooth, rarely rough. 



Fam. 5. Hypnae. 



PI. creeping, or erect. L. smooth, either patent, 

 erect, or imbricate, secund or falcato-secund, cells 

 generally narrow, often vermicular, rarely lax and 

 prosenchymatose or partly parenchymatose. . Caps, 

 from a short neck, erect, cernuous or horizontal. 

 Perist. t. linear-lanceolate, more or less subulate, 

 densely articulate, int. membrane with long processes, 

 usually with cilia. 



126. Plagiothecium, Schp. PL prostrate or partly 

 ascending, irregularly branched, stoloniferous, rooting. 

 L. complanate, rarely turned to one side, tender, 

 shining, nerve absent or obsoletely double, cells long, 

 hexagono-rhomboid. Fr. springing from base of 

 branches. Caps, suberect or cernuous, more or less 

 curved, thin-walled, lid convexo-conical or rostrate. 

 Perist. cilia with or without appendages. 



