ODOXTOSCIimMA . 171 



species delicate, in others with the angles thickened, epidermis 

 sometimes scaberulous. Stipules minute and everywhere obvious, 

 or partly obsolete, sometimes none. Inflorescence for the most 

 part dioicous, in a few monoicous ; ? cladogenous. Fertile 

 branches short. Bracts small, tristichous, sometimes bifid, rarel}- 

 3-4-fid. Perianth larg-e, leptodermous, trigonous-fusiform, very 

 often narrow, mouth ciliate or denticulate, sometimes closed and 

 dividing at a lateral cleft. Calyptra leptodermous. Capsule 

 cylindrical- oblong, in other respects similar to all Cephcdodce. 

 Androecia constantly on whitish small amentula, very rarely more 

 robust and terminal ; perigonial bracts minute ; antheridia situated 

 in their axils. 



Often gemmiparous, gemmre collected in heads upon the 

 attenuated tips of the branches. 



12. Cephalozia Sphagni {JJich.), S/)r//cc. 



Janyermania Sphagni, Dicks. Crypt. Brit. (1785); Hook. Brit. Jung. t. 33 (^jn'o 



parte) (181G). 

 Fleuroschisma (Odontoschisma) tSphagni, Dum. Syll. Jung. p. 08 (1831). 

 Odontoschisma Sphagni, Dum. Recueil, p. ID (1835). 

 Sphagncecetis Sphagni, Nees in G.L.N. Syn. Hep. p. 148 (1845). 

 Cejyhalozia {Odontoschisma) Sphagni (Dicks.), Spruce, On Cephalozia, p. GO 



(1882). 



Dioicous, loosely ctespitose or creeping sparsely among mosses, 

 flagelliferous, largish in size, green or brownish-green in colour. 

 Stems procumbent, elongate, arcuate, simple or with few postical 

 branches, firm, flexuose, gemmiparous branches wanting, cortical 

 cells 25-30, yellowish-brown, similar in size to the inner ones 

 only with thicker walls, 10-12 cells in diameter, inner cells sub- 

 opaque ; flagella postical, stout, firm, covered with minute root- 

 lets or short conical cells ; radiculose, rootlets numerous, minute, 

 simple hyaline, proceeding from the postical side of the stem. 

 Leaves imbricate or approximate, alternate, bifarious, patent- 

 divergent to patent, subobliquely or almost longitudinally inserted, 

 secund, concave, never repand or undulate, ver}' slightly decurrent 

 antically, ovate-rotund, entire, rotundate, retuse or sometimes 



