384 HEPATIC^. 



Description of Plate CLXVIII. — Fig. 1. Plants natural 

 size. 2. Fertile stem x 24 (Hercynia, Hampe). 3. Ditto x 64 

 (Castle Howard, Dr. Spruce). 4. Portion of sterile stem x 64 

 (ditto). 5. Leaf x 64 (Bettvvs-y-Coed, Dr. Carrington). 6. Ditto 

 X 64 (Hercynia, Hampe). 7. Ditto x 85 (Bettws-y-Coed, Dr. 

 Carrington). 8. Portion of leaf x 290 (ditto). 9. Sub-bract 

 perigonial, x 64 (ditto). 10, 11. Bracts with portion of peri- 

 anth X 24 (Castle Howard, Dr. Spruce). 12. Antheridium x 85 

 (Hercynia, Hampe). 



6. Marsupella sparsifolia {LincJb.), Bum. 



Sarcoscyphus sparsifolia, Lindb. in Not. pro F. Fl. Fenn. Forh. 1, p. 280, No. 13 



(1808). 

 Nardia {Marsuj^ella) sjyarsifolia, Lindb. in Not. pro F. Fl. Fenn. Forh. xiii., 



p. 270 (1874). 

 Marsupdla sparsifolia, Dum. Hep. Eur. p. 123 (1874); Pears, in " Jovirn. of 



Bot." p. 225 (1884). 



Paroicous, csespitose, stoloniferous, stolons without or with 

 a few leaves ; small, sphacelate, olive or blackish-brown colour. 

 Stems creeping, intricately entangled, shoots simple or rarely 

 irregularly furcate, annotinous, often one, two or three inno- 

 vations on a single stem, erect; rootlets short, purple, mostly 

 on the postical side of the creeping stems and stolons, rarer on 

 erect shoots. Leaves 12-20 pairs, distichous or subsecund, 

 alternate, clasping the stem at the decurrent base, ascending, 

 lower leaves approximate or somewhat distant, vaginate, the few 

 leaves nearest apex more closely imbricating, roundish-ovate, 

 cordate-orbiculate, obcordate, subquadrate, some leaves narrow 

 at the base, emarginate, sinus :^ to J deep, obtusely angular, 

 wide, rarely acute, segments broad, obtuse, divergent in the 

 lower leaves, postical lobe larger; epidermis not polished, cells 

 smallish, roundish -quadrate, 4, 5, and 6-sided, walls thick, 

 reddish-brown through transmitted light, trigones indistinct or 

 wanting. Perigonial bracts 2-5 pairs, below the perianth, broadly 

 orbiculate, bifid to about J or ^, sinus and segments obtusate or 

 ^cute. Innermost bracts large, ovate, subquadrate, bifid to ^, 



