260 HEPATIC^. 



ascending, simple or slightly branched ; radiculose, rootlets 

 plentiful, close, white. Leaves imbricate or approximate, patent- 

 divergent, roundish-ovate or ovate, emarginate to about J-, sinus 

 wide, obtuse, rarely acute, segments acuminate, often somewhat 

 connivent ; cells roundish-quadrate, from smallish to medium 

 size, walls somewhat thick but delicate, trigones distinct. Stipules 

 almost as long as the leaves, somewhat patulous, with an arcuate 

 incurved apex, broadly lanceolate or lanceolate. Female inflores- 

 cence on short postical branches ; third sub-bracts small, bifid or 

 trifid, irregular in shape, oval, subquadrate or subcuneate ; second 

 series of sub-bracts larger, oval ; bracts large, ovate or subquadrate, 

 irregular bifid or trifid to about J, sinus acute or obtusate, seg- 

 ments acute. Bracteole pyriform. Perianth projecting a little 

 beyond the bracts, oblong- oval, acute, obtusely trigonous, composed 

 of a single layer of cells, about 60 near the middle, near the base 

 composed of two layers, mouth constricted, 6-dentate, teeth small. 

 Calyptra mitriform, rostellate, thickened near the base. Pistillidia 

 few, 4, 5, small. Capsule oval, reddish-brown. Spores brown, 

 as broad as the reddish-brown elaters. Androecia on the middle 

 or apex of the main stem or branches, perigonial bracts 3-8 pairs, 

 imbricate, complicate-concave, ventricose, enclosing 1, 2, small, 

 oval antheridia. 



Fruits April, May. 



Dimensions. — Stems from |- to 1 inch long, diameter •! mm., 

 with leaves 1* mm. wide; leaves "45 mm. x '4 mm., segments 

 •1 mm., '5 mm. x '4 mm., seg. '1 mm. ; cells '03 mm. x '025 mm., 

 •04 mm. X '03 mm., '03 mm. x "03 mm., '04 mm. x '025 mm.; 

 stipules -3 mm. x 'l mm., "35 mm. x -125 mm. ; sub-bracts '3 mm. 

 X '25 mm., segments "1 mm., '375 mm. x '225 mm., seg. '1 mm. ; 

 bracts '6 mm. x '35 mm., segments '25 mm., -45 mm. x "325 mm., 

 seg. "175 mm. ; perianth 1' mm. x "4 mm. ; pistillidia 'lb mm. x 

 "04 mm.; perigonial bracts '35 mm. x "375 mm.; antheridia 

 •1 mm. X "075 mm. 



Hab. — Growing on shady banks, rocks and stones, or on 

 rotting wood. Eare. 



3. Balcombe, Tunbridge Wells, Surrey, George E. Davies ; 



