7c 



HANDBOOK OF BRITISH HEPATIC^E. 



Amongst rocks, in dense crowded tufts. 



Tufts several inches broad. Steins reddish brown, 

 j f 2 or 3 to 5 inches long, fiexuous, 



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. straminea Diun. Leaves ovate, or 

 ovate-lanceolate, segments erect, lanceolate, 

 colour darker brown, or almost black. — Schisma 

 straminea, Dumort. Hep. Eur. 



On Scotch mountains. 



Genus 8. TRICHOLEA, Dumort. 



Involucre 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. Dam. SylL, t. \,f. 8.(1831). 

 Hep. Eur., t. 3, /. 29. 



Plants stipulate, leaves incurrent, multifid, cut 



into hair-like segments. 



