HANDBOOK OF BRITISH HEPATIC^E. 107 



erect and narrow, sometimes with the normal 

 form are others as long as the leaves and 

 falcate or ligulate. Female flowers terminal on 

 the stem, pistillidia ten to sixteen, bracts loosely 

 imbricate, concave, broader than long, 3-4 lobed, 

 bracteoles smaller, obliquely ovate lanceolate, 

 entire or bilobate. Perianth emersed, green, pear- 

 shaped, rather compressed, obscurely trigonous, 

 mouth shortly six-lobed, the lobes dentate, teeth of 

 equal size. (Plate j, fig. 67.} 



SUB-GENUS. ODONTOCHISMA, Spruce. 



Cephalozia sphagni, Dicks. 



Stem serpentine ; leaves erect, orbiculate, 

 entire ; perichaetial leaves oblong, two-lobed, 

 stipules lanceolate, none on sterile stems, on 

 fertile or gemmae bearing stems ovate. 



Jungermannia sphagni, Dicks. Crypt. I., 

 p. 6, t. i, f. 10 ; Eng. Bot. t. 2470; Hook. Br. 

 Jung. No.. 33. Sphagnoccetis communis, Nees 

 Syn. Hep. p. 148; Cooke Hep. f. 104, 105. 

 Odontochisma sphagni, Dumort. Rev. Jung. 

 19; Carr. and Pears. Exs. No. 181. Cephalozia 

 sphagni, Spruce Hep. Amaz. p. 400. 



Marshy places amongst Sphagnum. 



Growing in loose patches, or straggling. Stems 

 2 to 4 inches, procumbent, filiform, flexuous, simple, 

 or with short innovations, radicles numerous, 

 combined with thicker and larger opaque rootlets 



