2 24 HANDBOOK OF BRITISH HEPATIC/E. 



Stems stoloniferous at the base, erect, tender, 

 flexuous, pale-brown. Shoots i to 3 inches, 

 simple, appearing branched by the growth of inno- 

 vations. Stolons creeping, naked, or with bundles 

 of rootlets, which latter are rare on the erect shoots. 

 Leaves smaller at the base, rather distant, obovate, 

 or obcordate, bilobed, lobes equal, sinus narrow, 

 margin plane, or undulate, inflexed at the base. 

 Texture thin and tender, pale pellucid olive when 

 moist, brownish purple at the apex. Dioicous. 

 Fertile stem thickened at apex. Involucral leaves 

 larger than the rest, spreading, cordate, deeply 

 lobed. Involucre of two convolute leaves, connate 

 at the low^er third, lobes acute, inflexed. Perianth 

 with the apex free, divided into four or five broad 

 segments, shorter than the involucre. Calyptra 

 campanulate, pistillidia attached to the walls. 

 Capsule small, blackish brown, spores reddish brown, 

 1 5/A diameter. Antheridia one to three, olive green, 

 on slender pedicels. — {Plate j, fig. 6S.) 



Nardia Carringrtonii, Ba//. 



Primary stems rhizomatous, creeping ; 

 branches erect, laterally compressed, re- 

 curved at the apex; leaves of firm texture, 

 secund, obliquely subreniform, approximate; 

 concave, vertically appressed ; margins ap- 

 proximate to each other. Anterior margin 

 narrow and decurrent; posterior abruptly 

 rounded. 



AdclajitJins Ccin'ingtouii, Balf. Trans. Bot. 

 Soc. Edin. X., 380; Dum. Hep. Eur. 47; 



