266 
XXIV. Thongs.- Crypt. Algjc. 
892. Ash Liver •wort. — L. fraxineus. 
Leafy, upright, oblong, spear-shaped, pitted, 
smooth, shields on short fruitstalks. — Dil- 
lenius. XXII. 59. 
"Trees, December, P. Common. 
893. Least Livrer-wort. — L. tenellus. 
Shields dark-brown, nearly sitting, leaves 
grey-green, segments blunt, nearly upright, 
fringed, the ends tubular, .when old. — 
•Dillenius. XX.. 46. 
Trees, January, A. Common. 
S94. BaV s-wing Liver-wort. — L. nigrescens. 
Leafy, skinny, roundish, lobed, wrinkled, 
blackish-green, shields crouded, reddish. — 
Sowerby. 345. 
Vi^illows, October, A. Rare. 
Clapbamy — Kemps ton. 
Ohs ; 
Then are no shields ever found on our plants. 
895. Black-thorn Liver-wort. — L. prunastri. 
Leafy, rather upright, pitted, white and downy 
underneath. Dillenius. XXL 55. 
Trees, January, P. Common. 
Ohs : 
Shields terminal^ paler than the leaves^ hrozon with age. 
Lung-zvort, 
