CRYPTOGAMIA. ALG: Lichen. B. (3) Crustaceous, LZ 
with Saucers. 
e 
L, Saucers grey; border whitish, broad, scolloped : crust crenula’tus. 
black, rough. : 
Dicks. Qu 1. : 
Crust thin, wrinkled, black :. Saucers numerous, scattered, 
small: border very broad. . ; 
On rocks in Yorkshire. Dicks. iii. 14, 
$ e 
‘'L. Saucers brown black, with a white border ; rather con- can‘dicans. 
2 vex: crust white, shining, somewhat lobed. | 
= 5 ee Dicks. Q. oes E 
~~ Crust roundish, ‘closely fixed down, even, white, rather 
shining, the edge lobed and somewhat leaf-like. Saucers nume- 
rous, near together, brown black, conyex when fully grown. 
On rocks in Yorkshire. Dicks. iii, 15, 
L. Saucers black, shining, border white: crust white. var'ians. 
“"Hloffm. lich. 52. 1. 3 F 53; ¥. Linn. tr. ii. 28: 3. 
_ . When in perfection the crust is of a fine polished white, and 
the fructification a bright shining black, with a white margin. 
In time it loses the glossy black, then becomes paler, and in 
decay assumes an ochrous buff colour. 
_ Found on the S, W. ‘side of Anglesea by the Rev. Hugh 
Davies. . 
L, Saucers black, border white, scolloped: crustwhitish, a'ter. 
_ wrinkled. : 
Dill 18. 5) A 3 and 55. 8, the parts next the fore edge of 
the stone on which the Bryum grows.~Hoff. enum. 4. 4. : 
Saucers sometimes very entire. Hups. Crust, 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, are . 
nearly flat, and have a thin white border. Dri. 
L. melanostictos. 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. Licutr. - 
On walls. 
- Var. 8. Saucers very much crowded, border and crust brown 
On the highest rock of Rowley hills, Staffordshire. 
Vou. IV. ee ae ; 2 | . : 
