110 SYNOPSIS OF BRITISH MOSSES. 



Clefts of rocks and oa the ground. Summer. 



Ben Lawers. 



194 B. squarrosa, De Not. St. 1 incli, casspitose. 

 L. squarrosOj lanceolate, recurved, with a broad, 

 sheathing base, margin undulate, with large, diaphanous 

 cells, somewhat serrulate at apex, nerve scarcely ex- 

 current. Caps, sub jylindrical, narrow, slightly curved, 

 lid conical, half as long as capsule, seta 1 inch long. 

 Dioicous. 



Chalk. Ireland and S. of England. Fruit not 

 known in this country. 



195. B. Brebissoni, Brid. \_Ginclidotus riparius /3. 

 terrestris, Bry. Brit.] St. 1 — 2 inches, radicnlose. 

 Branches fastigiate. L. erecto-patent, long, Ungulate, 

 concave, minutely papillose on both sides, margin 

 slightly recurved, nerve thick, excurrent into a mucro, 

 areolae upper minute, rectangular and hyaline at base. 

 Caps, erect, cylindrical, incurved, lid with an oblique 

 beak. Dioicous. 



Stones in streams. April. 



Anglesea, Bristol, Surrey, Sussex, in fr. (Davies), &c. 



d. Syntrichia. 



Plants robust. L. oblong-lingulate or ovate-spathu- 

 late, chlorophyllose and papillose above, smooth and 

 hyaline below. Caps, erect, oblong or cylindric, sub- 

 arcuate. Perist. teeth long, much twisted. 



1. Subulatoe. 



196. B. subulata, Brid. Csespitose, simple or 

 branched. L. obovate or spathulate oblong, narrowed 

 at base, margin plane, sometimes with a row of larger 

 cells, nerve excurrent into a short mucro, apex some- 

 times slightly toothed. Caps, very long, cylindrical, 



