226 SYNOPSIS OF BRITISH MOSSES. 



L, hamate, circinnato-secund. Caps. cerauouSj shorty 

 solid, lid convexo-conical. 



552. H. molluscuin, Hedw. St. soft, 1 — 2 inches, 

 suberect. L. circinnate secund ; st. 1. cordate ; br. 1. 

 ovate-lanceolate — -all tapering, acuminate, striate, ser- 

 rulate, nerveless or faintly 2 -nerved, crisped when dry. 

 Paraphyllia ovate lanceolate. Caps, ovate, horizontal, 

 lid conical, large, sharply pointed. Summer. 



Moist banks and limestone rocks. Common. 

 Var. FASTiGiATUM, Boswell M8. Branches erect. 

 This is the plant gathered in Derbyshire as H. cana- 

 riense. 



Sub-genus 9. Gtenium. 



St. erect, rigid, villose, regularly pinnate. Para- 

 phyllia numerous. L. hamate. Caps, oblong, incurved, 

 solid. 



553. H. Crista-castrensis, L. St. suberect, 3 — i in., 

 pectinate ; st. 1. ovate-acuminate ; br. 1. narrowly 

 lanceolate-acuminate, serrulate near apex — all circin- 

 nato-secund or tortuoso-falcate, deeply sulcate, faintly 

 2-nerved, margin reflexed. Caps, oblong, curved, cer- 

 nuous, Ud conical, pointed. Dioicous. July, August. 



Woods (chiefly pine) alpine and subalpine. 



Sub-genus 1 0. Limnohium. 



St. soft, C89spitose, prostrate, irregularly branched. 

 L. falcato- secund, rarely spreading, faintly nerved, 

 areolae linear ; per. 1. long, deeply sulcate. Caps, in- 

 curved, cernuous, lid convexo-conical or mamillate. 



a. Monoicous. 

 554 H. palustre, Linn. St. creeping. Br. ascending. 



