HANDBOOK OF BRITISH HEPATIC^. 149 



waved, horizontal, broadly ovate at the base, half 

 surrounding the stem, the lower margin very de- 

 current, divided at the apex for one-quarter or one- 

 eighth of their length with a more or less acute sinus, 

 into two equal sharp straight segments, the tips of 

 which resemble cilia. Colour light green. Peri- 

 chaetial leaves, the first pair are twice the length of 

 the stem leaves, quite erect and adpressed, deeply 

 divided into two equal lanceolate segments, which 

 are sometimes dentate at the margin. Stipules, one 

 to every pair of leaves, adpressed to the under side of 

 the stem, oblong, generally divided into two, some- 

 times three, segments, here and there dentate. 

 Calyx sometimes slightly incurved in an early stage, 

 ovate-oblong, obtusely triangular, mouth slightly 

 contracted at first, afterwards somewhat expanded, 

 with a deep incision on one side, and bordered with 

 numerous laciniae. Capsule ovate, deep brown, 

 longitudinally and transversely furrowed. Elaters 

 bispiral. 



Lophocolea cuspidata, Limp. 



Stem procumbent, branched ; branches as- 

 cending or erect ; leaves acutely emarginate, 

 bidentate; teeth elongated, acuminate; stipules 

 quadrifid; perianth terminal, tubulose, lacini- 

 ate. 



Lophocolea bidentata ft cuspidata, Nees in Fw. 

 Herb. II., 327. Lophocolea Hookeriana y 

 prolifera, Nees. Lophocolea cuspidata, Limp. 

 Leb. Krypt. Schl. p. 303 ; Carr. and Pears. 



