212 SYNOPSIS OF BRITISH MOSSES. 



127. AMBLYSTEGIUM, Schp. 



a. Leaves opaqae, cells whoUy parenchymatosSj more 

 or less chlorophyllose. 



1. Dioicous. 



516. A. Sprucei, Bruch. St. short, slender, with few 

 branches. L. distant, narrowly ovate-lanceolate, long 

 pointed, margin almost entire, concave, nerveless] per. 

 1. larger, with longer points, distinctly serrulate at 

 apex. Caps, erect, elliptical, turbinate when dry, 

 mouth wide, lid mamillate. \_Leskea, Bry. Brit.J 



Shady subalpine rocks. Rare. Summer. 



Teesdale, Todmorden, &c. 



2. Monoicous. 



517. A. confervoides, Brid. St. creeping, very slender, 

 subpinnate, sparingly branched. Br. capilliform. L. 

 scattered, subsecund, more or less spreading, ovate- 

 lanceolate, acuminate, entire, nerveless ; per. 1. longer, 

 erect. Caps, cernuous, oval-oblong, slightly incurved, 

 pale brown, semi-pellucid, lid convex, obliquely apicu- 

 late. 



Stones in shady places, limestone. Summer. 



Dovedale (Dr. Fraser, 1866), Westmoreland, &c. 



518. A. serpens, Linn* St. creeping, subpinnate, 

 with slender, suberect branches; st. 1. spreading, 

 ovate-lanceolate ; br. 1. narrower, subsecund, tapering 

 into long points, entire, faintly nerved half way, or 

 sometimes nearly to apex. Caps, oblong, cylindrical 

 or obovate, curved, cernuous, reddish at mouth, lid 

 conical, acute. April, May. 



* The Southport moss rrferred by Kindbergto A.porpJiyrrhlzon 

 belunjts here. 



