114 HANDBOOK OF BRITISH HEPATIC.!:.. 



thin, elongated, flexuous, rather branched and radi- 

 cellose, flagella none. Leaves small, very distant, 

 spreading or assurgent, oblong or rounded-quadrate, 

 bifid halfway or more, sinus acute or obtuse, lobes 

 often unequal, broadly subulate, acute or rather 

 acuminate, parallel or connivent, cells minute, sub- 

 quadrate, the lower a little elongated. Stipules none. 

 Bracts of female flowers, the innermost three to four 

 times larger than the leaves, more or less connate, 

 orbicular, subdenticulate, 2-3 lobed, the lobes short, 

 acuminate. Perianth large for the size of the plant, 

 ten times longer than the leaves, ovate-lanceolate, 

 fusiform or rather linear, whitish, three (rarely four) 

 angled above, mouth minute, and obsoletely setu- 

 lose. Calyptra thin. Capsule large, often half the 

 length of the perianth, oblong cylindrical, bay 

 brown. Andraecia short, scarce ever occupying the 

 whole branch, terminal or median, julaceous, bracts 

 larger than the leaves, closely imbricate, orbicular, 

 very concave, and keeled, two or three lobed, one- 

 third down monandrous, bracteoles minute, linear 

 subulate. 



Cephalozia elachista, Jack. 



Small, pallid, very tender, stem with rhizo- 

 matose base, sparingly branched ; leaves dis- 

 tant, oval, deeply and acutely bilobed, only 

 crowded at the tips of fertile branches, stipules 

 minute, often bifid ; inflorescence monoicous, 

 male terminal, female branch often proliferous; 

 perianth acutely trigonous, mouth toothed. 



Jungermannia elachista, Jack, in Gott. and 



