264 HEPATIC^. 



sub-terete base, apex contracted, truncate, at length bilabiate, 

 denticulate. Bracts 2, patent, from a clasping base ; bracteole 

 lanceolate, unidentate, free. Capsule ovate, coriaceous, 4-valved. 

 Elaters bispiral. Perigonial bracts usually narrower, ventricose, 

 clustered near the apex of distinct shoots. Antheridia 2, 

 roundish. 



1. Mylia Taylori (Hook.), Gr. 8f B. 



Jungermania Taylori, Hook. Brit. Jung. t. 57 (1816). 

 Mylia Taylori, Gr. <k B. Nat. Arrang. Brit. PI. 1, p. 695 (1821). 

 Lej)toscyphus Taylori, Mitt, in Hook. Journ. of Bot. Ill, p. 358 (1851). 

 Goleochila Taylori, Dum. Hep. Eur. p. 106 (1874). 



Dioicous, growing in dense, extensive patches, size medium 

 to large, of a yellowish or reddish-brown to a purple colour. 

 Stems simple or with one or two innovant branches arising from 

 axil of bracts, lateral, or slightly sub-postical, erect or suberect, 

 firm, flexuose, brownish ; cells of stem uniform, pale brown colour 

 throughout; very densely radiculose on the underside, rootlets 

 dull white, long, covering almost the whole of the underside of 

 the stem. Leaves bifarious, alternate, horizontal at an angle of 

 80° to 90°, obliquely semiamplexicaul, antical base slightly decur- 

 rent, contiguous or imbricate, secund, suborbicular, broadly ovate 

 or broadly oval, plane or slightly concave, margin entire, some- 

 times slightly undulate, sometimes retuse ; texture thick, sub- 

 carnose, epidermis with each cell convex and minutely verruculose, 

 cells largish, roundish, dull colour with the numerous chlorophyl 

 granules, walls hyaline, trigones distinct, roundish or angular. 

 Stipules small, subulate or lanceolate. Bracts no larger than the 

 leaves, somewhat similar in shape, entire, slightly spreading or 

 appressed. Bracteole free, broadly subulate. Perianth projecting 

 about half beyond the bracts, terminal, laterally subcompressed, 

 oblong-ovate, composed of one layer of cells, mouth contracted, 

 truncate, small, complanate, bilabiate, with about 15 club-shaped 

 irregular cilia, texture similar to the leaves, except near to the 

 mouth, where it is smooth and the cells more delicate, distinctly 

 verruculose in the middle and lower portion. Calyptra obovate, 



