£08 SYNOPSIS OF BRITISH MOSSES. 



Caergwrle, Anglesey, October, 1871, in fruit (0. L. 

 Higgins), &c. 



** Monoicous. 



503. R. confertnm, Dicks. St. creeping, subpinnate. 

 Br. erect. L. slightly secund or complanate, OYate, 

 acuminate, concave, serrulate, thinly nerved quite or 

 more than half way. Caps, ovate-oblong, cernuous, 

 lid short, with a curved beak, as long as capsule. 



Rocks, walls, trees, &c. Frequent. October, March. 



504. R. megapolitanum. Bland. Much larger than 

 the last, and remotely branched. St. 1. remote ; br. 1. 

 crowded, lower oblong-lanceolate, the others more or 

 less sharply acuminate from a broad, ovate base, 

 slightly or sharply serrulate, nerved more than half 

 way. Caps, oblong, cylindrical, incurved, arcuate when 

 dry, lid with a short, thick beak. 



Sandy shores. Spring. 



Southport, Dublin, Sussex, &c. 



505. E. murale, Mediv. St. short, creeping, with 

 erect, crowded branches. L. closely imbricate, round- 

 ish, ovate, concave, faintly serrulate, cucullate at apex, 

 which is slightly mucronate, not acuminate, nerved 

 ^alf way. Caps, ovate, somewhat cernuous, lid flattish, 

 with a long beak. 



Walls, &C.J chiefly limestone. • Spring. 



Var. /S. COMPLANATDM. St. long, creeping, with fewer 

 branches. L. complanate, scarcely concave. 



Var. 7. JDLACEDM. L. densely imbricate, obtuse, 

 very concave, cochleariform, frequently rufescent. 



506. R. rusoiformej Weis. St. creeping, with long, 

 irregular, procumbent branches, sometimes floating. 

 L. complanate and subsecund, ovate, with a cordate 

 base or broadly oblong, acuminate, serrate, stoutly 



