128 SYNOPSIS' OF BRITISH MOSSES. 



Fam. 2. Ptyehomitriae. 

 41. GLYPHOMITRIUM, Schwg. 



246. 6. Daviesii, Schwg. St. ^ inchj csespitose. L. 

 linear- or ovate-lanceolate, spreading, entire, margin 

 thickened and reflexed below, strongly nerved, to apex, 

 areolae minute, larger and rectangular at base. Caps, 

 erect, almost globose, with a reddish mouth and long, 

 rostrate lid. Perist. teeth converging when moist, 

 reflexed when dry. Calyptra large, laciniate at base. 



Clefts of rocks. June, July. 



Giant's Causeway , Llanberis ; Glenarbuck, May, 

 1863 (W. Gait and McCartney); New Kilpatrick, 

 KilUn (McKinlay) ; Ardtun Mull (Dr. Black) ; Skye 

 (Hunt) ; Blairlogie ; Craigallion ; Campsie Hills 

 (Thompson and Gait), &c. 



42. PTYCHOMITRITJM, B. and 8. 



247. P. polyphyllum, B. and S. St. 1 — 2 inches, 

 tufted. L. linear-lanceolate, from a broadish, oblong 

 base, spreading, nerved to the dentate, acute apex, 

 margin reflexed- below. Caps, elliptical, on a long, 

 twisted seta. Calyptra plicate, lid long, subulate. 



Mountainous rocks and walls. Winter. 



Fam. 3. Zygodonteae. 

 43. AMPHORIDIUM, Schp. 



248. A. lapponicum, B. and S. St. ^ inch, csespitose, 

 radiculose. L. spreading, linear-lanceolate, keeled, 

 contorted when dry, nerve ceasing near apex, young 

 ones bright green, older blackish-brown ; per. 1. ovate- 

 lanceolate. Caps, scarcely exserted, turbinate, deeply 

 eight-striate, urceolate when dry, lid with a short, 

 oblique beak. Monoicous. 



