368 HEPATIC.^. 



ton; Connor Hill, Co. Kerry, Br. D. Moore; Kylemore, 

 Co. Galwa}^ Br. B. Moore; Loch Bray, Co. Wicklow, Dr. 

 D. Moore; Slieve Glali, Co. Cavan, D. MArdle. 



Found on the Continent, and doubtfully in North America. 



Obs. — Only to be mistaken for Nardia {Eucahjx) liyalina 

 (Lyell), which see. In addition to other distinguishing characters 

 mentioned there, the rootlets are usually fewer and darker coloured, 

 the bracts adnate higher up the perianth. 



The specimens published in C. & P. Hep. Brit. Ex. n. 100, 

 as Nardia liyalina belong to this species. 



Description of Plate CLIX. — Fig. I. Plants natural size. 

 2. Portion of stem, antical view X 24 (Yosges, Mougeot). 3, Por- 

 tion of fertile stem with perianth x 16 (C. & P. Hep. Brit. 

 Ex. n. 100). 4. Portion of stem, antical view, x 16 (Killarney, 

 Wilson). 5. Portion of stem, postical view, x 16 (G. & E. Hep. 

 Eur. n. 266). 6. Leaf x 24 (Vosges, Mougeot). 7. Leaf x 24 

 (C. & P. Hep. Brit. Ex. n. 100). 8. Leaf x 24 (Vosges, 

 Mougeot). 9. Portion of leaf x 290 (Vosges, Mougeot). 

 10, 11. Bracts x 16 (C. & P. n. 100). 12. Perigonial bract 

 X 24 (Vosges, Mougeot). 13. Antheridium x 85 (ditto). 



Subgenus 2. EUNARBIA, Lindb. 



Eimardia, sect. 3IesophiyUa (Dum.), Lindb. Muse. Scand. p. 8 (1879). 

 Eunardia, Spruce, Hep. Am. et And. p. 519 (1885). 

 Mesojyhylla (Dum.), Lindb., Kaalaas Lev. Norg. p. 388 (1893). 



Stipules present, small, subulate. Perianth immersed, deli- 

 cate, obscurely carinate, adnate to the lower half of the bracts. 



3. Nardia compressa [Hook.), Gr. §• Benn, 



Jungermania compressa, Hook. Brit. Jung. t. 58 (181G). 

 Nardia comjyressa, Gr. & B. Nat. Arr. Brit. pi. p. G91 (1821). 

 Mesophylla comp'essa, Dum. Comm. Bot, p. 112 (1822). 

 Alicidaria compressa, G.L.N. Syn. Hep. p. 12 (1844). 



Dioicous, csespitose, flagelliferous ; flagella leafless, slightly 

 j-adiculose ; from medium to large in size, pale green colour 



