CRYPTOGAMIA. ALGiE. Lichen. 
15 
(Little Crenate Lichen. E.) L. dispersus. Achar. E. Eot. On rocks 
in Yorkshire. Dicks, iii. 14. (Egleston, Durham. Rev. Mr. Harriman. On 
Bol don and Cleadon Hills, common; on limestone rocks by Middleton 
Beck, a little above the town; also on walls near Barn.ard Castle. Mr. 
Winch. E.) 
L. can'dicans. Saucers brown black, with a white border; rather 
convex : crust white, shining, somewhat lobed. 
{E. Bot. 1778. E.)— Dicks. 9. 5. 
Crust roundish, closely fixed down, even, white, rather shining, the edge 
lobed and somewhat leaf-like. Saucers numerous, near together, brown 
black, convex when fully grown. 
(Whitish Radiating Lichen. Lecanora epigea. Achar. Hook. E.) On 
rocks in Yorshire. Dicks, iii. 15. 
L. vA drians. Saucers black, shining, border white : crust white. 
( Hoffm. Lich. 52. 1. 3, and 53. 4. 6. E.)— Linn. Tr. ii. 28. 3. 
When in perfection the crust is of a fine polished white, and the fructifica¬ 
tion a bright shining black, with a white margin. In time it loses the 
glossy black, then becomes paler, and in decay assumes an ochreous buff 
colour. 
(Polished Lichen. E.) Found on the S. W. side of Anglesea by the 
Rev. Hugh Davies. 
L. a'ter. Saucers black, border white, scolloped: crust whitish, 
wrinkled. 
( E . Bot. 949. E.)— Dill. 18. 15. A; and 55. 8, the parts next the fore-edge of 
the stone on which the Bryum grows. — Hoffm. Enum. 4. 4. 
Saucers sometimes very entire. Huds. Crusty when on trees, thin, ash- 
coloured, hardly separable from the bark; on stones, whiter, thicker, 
more wrinkled and more stony. Shields black, at first small, without a 
border, as they grow larger, nearly flat, and have a thin white border. 
Dill. (Dr. Smith observes, that in some instances the margin of the 
shields is tinged with lead-colour, in which state he imagines it to con¬ 
stitute our L. cinerascens. 
Black-shielded Lichen. Lecanora atra. Achar. Hook. E.) L. mela - 
nostictos. Gmel. Syst. Veg. Common on walls, rocks, and barks of trees. 
P. Jan.—Dec. 
Var. 2. Crust thicker and whiter: saucers, borders wrinkled and bent in. 
Lightf. On walls. 
(Var. 3. Saucers very much crowded, border and crust brown grey. On the 
highest rocks of Rowley Hills, Staffordshire. E.) 
L. sub-imbrica'tus. Saucers black, crowded: border white; crust 
ash-coloured, somewhat tiled at the edge. 
{Hoffm. Lich. 6 9.1, and 60. 3— E.Bot. 1941. E.)— Belli, at p. 427. 
Crust circular, thick, somewhat tiled at the edge, one to four inches in dia¬ 
meter. Saucers very numerous. Relh. Has a tendency like the centri - 
fugus to lose its central part, which falling off with the old saucers, leaves 
only the somewhat tiled leaves. Woodward. 
(Radiant Crustaceous Lichen. L. circinatus. Achar. Prod. E. Bot. 
Lecanora circinata. Achar. Syn. Hook. E.) Stones and walls. 
P. Jan.—Dec. 
