214 SYNOPSIS OF BRITISH MOSSKS. 



curved, cernuous or horizontal, contracted at mouth 

 ■when dry, lid conical, pointed. Monoicous. 



May, June. 

 Stones, &c., near pools, sometimes in water. 



128. hypnum:. Dill. 



Sub-genus 1. Campylophyllum. 

 PI. arched, creeping, strongly radiculose. L. closely 

 set, divaricato-squarrose, from a sheathing base, cells 

 narrow, linear, quadrate at angles. 



a. Monoicous. 



523. H. Halleri, L.fil. St. creeping, with pinnate, 

 erect branches. L. crowded, lanceolate, recurved from 

 a roundish ovate, erect base, acuminate, serrulate, 

 almost squarrose, faintly 2 -nerved at base or nerveless. 

 Caps, oblong, cylindric, curved, cernuous, lid conical, 

 blunt, orange. 



Alpine rocks. Eare. August, 



Sub-genus 2. Gampylium. 



St. creeping, prostrate or ascending. Br. irregular or 

 snbpinnate. L. squarrose-divaricate or subsecund, fal- 

 cate, lanceolate, with a long acumen, nerveless or thinly 

 nerved, cells fiarrow, linear, generally quadrate and 

 lax at angles. Caps, subarcuate, lid convexo-conical. 



624. H. Somerfelti, Myr. {polymorphum, Hedw., ed. 1). 

 St. procumbent, branches simple, erect, slender. L. 

 spreading, almost squarrose, subsecund, ovate, sud- 

 denly lanceolate, acuminate, with a long apiculus, entire, 

 nerveless or with 2 striae at base. Caps, oblong, 

 curved, cernuous, lid conical. Monoicous. June. 



Limestone walls, banks and rocks, roots, &c. 



