18 
sub-imbri 
ca’tus. 
CRYPTOGAMIA. ALG. Lichen. B. (3) Crustaceous, 
with SAUCERS. : 
-L. Saucers black, crowded: border white: erust ash. _ 
coloured, somewhat tiled at the edge. 
Hoffm. lich. 59.1, 60. 3-Relb. at p- 427. 
Crast circular, thick, somewhat tiled at the edge, 1 to 4 
_ inches in diameter. Saucers very ndmerous. Rey. Has a ten- 
dency like the cextrifugus to lose its central part, which falling 
off with the old saucers, leaves only the somewhat tiled leaves. 
Woopw. . 
Stones and walls. P. Jan,—Dec. 
concen'tricus. LL, Saucers black, confluent, placed in concentric circles, © 
puncta’tus. 
scrupo’sus. 
_imbedded in the crust: crust greyish white. 
Hoffn. lich. 50.1, 2-E. bot, 246-Facq. call. iii. 6.2. ava.as 
Saucers generally with a white border, somewhat raised 
above the crust. : 
Found by the Rev. Hugh Davies on Whinstone rocks in 
the parish of Whitford, Flintshire. See E. bot. and Trans. 
Linn. soc. ii. p. 284. [On -a wall between Bettws mountain _ 
and Garthewin, the seat of Robert Wynne, Esq. Denbighshire. 
Mr. Gairriri; on Schistus. } ; 
L. Saucers black, very numerous, small, roundish ; crust 
grey, cracked. ~ aE 
E. bot. 450—F/. dan. 468. 2. 
On rocks in Scotland. Dicks. iii. 15. 
L. Saucers black, sunk in the crust; scolloped at. the 
edge: crust ash-coloured, granulated. — : 
Hoffm. lich. 11. 2-E. bot. 20€-Facq. coll. ii. 13. 3—Hall. 
enum. 2.0, at p. Gi—hist. 47. 6, at iii. p. SS—Dill. 18. 
15, B.—Hoffm. 6. 1-Mich. 52. ord. 33. : 
Crust when moist greenish-ash-coloured, when dry greyish. 
Mr. Woopw. Crusty, thick, cracked, warty, grey ; whitish 
when thinner, brittle when dry. Saucers sunk in the crust, 
hollow, lead coloured. Horrm. ; 
L. pertusus. Jacq. coll. on the authority of Dr. Smith. ZL. 
excavatus. Relh. p. 420. Walls and heaths, Go 
Hill, Newmarket Heath. [On walls, eae Norfelic and 
Suffolk. Mr. Woopwarp.] P, Jan.—Dec. 
Var. 2. Crust widely expanded, thicker. Rein. 
On walls. [On the ground on the banks of Leith Water, 
Edinburgh. Mr. ro Eo . 
