70 



HANDBOOK OF BRITISH HEPATIC/E. 



AmonL;st rocks, in dense crowded tufts. 



Tufts several inches broad. Sterns reddish brown, 

 2 or 3 to 5 inches long, flexuous, 

 simple, or rarely slightly branched, 

 Leaves in four rows, thickly im- 

 bricated, or more scattered, fal- 

 cate, lanceolate, divided nearly 

 three parts down by an acute 

 sinus into two equal, entire, acu- 

 minate segments (fig. 53), pale 

 yellow brown, rigid. Involucral 

 leaves numerous, crowded, united 

 at their base, acuminate segments alone free, calyx 

 ovate, plicate. Calyptra ovate, white. Capsule dark 

 brown, quadrivalvate. Elaters bispiral. 



var. strauiinea Diini. Leaves ovate, or 

 ovate-lanceolate, segments erect, lanceolate, 

 colour darker brown, or almost black. — Schisfua 

 stramiiiea) Dumort. Hep. Eur. 



On Scotch mountains. 



53- 



Genus 8. TRICHOLEA, Dumort 



Livolucre none ; perianth erect, stipitate, 

 free, tubulose, terete, covered everywhere 

 with hairs ; apex truncate, undivided, without 

 teeth, mouth open, circular; capsule four- 

 valved, coriaceous, naked ; elaters double, 

 naked, deciduous. Diini. SylL, t. 1,/ 8. (1831). 

 Hep. Eiir., t. 3, / 29. 



Plants stipulate, leaves incurrent, multifid, cut 

 into hair-like segments. 



