32 HEPATICyE. 



dermis dull, not polished ; cells small, roundish, walls very thick, 

 basal cells larger, oblong or almost rectangular, moniliform cells 

 wanting. Stipules distant or approximate, two to three times as 

 broad as the stem, subrotund, bifid to about i, segments acute, 

 sinus obtuse or subacute, margin entire, recurved. Bracts un- 

 equally bilobed, antical lobe oval-acuminate, margin entire, 

 postical lobe 3 to 4 times smaller, lanceolate-acute or narrowly 

 triangular-acuminate, margin entire, recurved. Bracteole oblong- 

 oval, bifid to about the middle, sinus obtuse, segments lanceolate- 

 acute, margin entire, slightly recurved. Perianth oblong-ovate, 

 tricarinate, epidermis smooth, slightly rostellate. Capsule sub- 

 spherical ; spores brown, elaters pale brown. Male plant narrower 

 than the female, catkins linear; perigonial bracts 15 to 25 pairs, 

 closely imbricate, subequally bilobed, antical lobe oval, acute ; 

 postical slightly smaller, unidentate ; ventricose ; antheridia sub- 

 globose. 



Dimensions. — Stem 1 to 3 inches long, with leaves "2 mm. 

 broad, diameter of stem '15 mm. ; leaves, antical lobe 1'4 mm. x 

 •8 mm., postical (evolute) '6 mm. x '2 mm., antical 1'2 mm. x '85 

 mm., postical "35 mm. x "2 mm.; cells "02 mm., -025 mm. x '02 mm., 

 •02 mm. x "015 mm.; stipules '6 mm. x '6 mm.; segments •125 mm.; 

 bract, antical lobe 1'65 mm. x "8 mm., postical 1^2 mm. x •S mm. ; 

 bracteole 1^3 mm. x "55 mm. ; segments '7 mm. ; perianth 22 mm. 

 X 1.2 mm. ; male spike ^4 mm. x ^75 mm.; perigonial bract, antical 

 lobe "75 mm. x *5 mm., postical '6 mm. x '4 mm. 



Hab. — In extensive patches on trees and rocks. Eare. 

 1. Mullion Cove, Cornwall, W. Curnoio. 7. (?) 12. Glen 

 Helen, Isle of Man, George Stabler. 16. Loch Skene. Inver- 

 moidart, West Inverness, 8. M. Macvicar. South of Ireland, 

 somewhat abundant, Lr. Taylor. Glengarifi" and Killarney, Dr. 

 Carrington. Glena, 8. 0. Lindhery. O'Sullivan's Cascade, Holt 

 and Stetoart. Eathlin Island, S. A. Stetvart. 



Obs. — Very distinct species, distinguished from F. Tamarisci 

 (L.), of which it has been considered a variety by some authori- 

 ties, by its paler colour, more delicate texture, epidermis dull, not 

 polished, absence of the moniliform cells, margin of bracts entire ; 



