CINCLIDOTUS — FONTINALIS. ] 81 



Wet heaths. 



Yar. 7, /3. fastigiatum. St. branched, fastigiate. 

 L. as in var. 7. 

 Very dry heaths. 



Section II. GLADOOABPL 



Tribe xxiii. Fontinalace*. 



Fam. 1. Cinclidotse. 



86. CINCLIDOTUS, P. Beauv. 



416. C. fontinaloides, Hedw. St. 2 — 5 inches, in long, 

 straggling tufts, generally floating. L. crowded, 

 spreading, flexuose, lanceolate, acute, with a thickened 

 margin and strong, excurrent nerve; per. 1. larger, 

 sheathing, ovate-lanceolate, thinner. Caps, immersed, 

 with a conical, beaked lid. Calyptra persistent, thick, 

 split on one side. 



Stones in rivulets, &c. March, April. 



Fam. 2. Fontinalidse. 

 87. FONTINALIS, Dill. 



417. F. antipyretica, L. St. very long, often 1 foot, 

 with long, spreading branches. L. ovate-lanceolate, 

 very concave, keeled, nerveless, all on each branch 

 with one margin reflexed on the same side, the other 

 plane, sometimes serrulate near apex, olive or almost 

 black when old. Caps, oval or ovate, immersed, lid 

 long, conical, acute. 



Streams and stagnant water. June, July. 



Var. (S. GiGANTBA, Sull. More robust, with fewer 

 branches, pale green when young, ruf escent or orange- 

 coloured when old. Caps, smaller. Perist. teeth 

 shorter, paler. 



