a 
CRYPTOGAMIA. ALG. Lichen. B, (3) Crustaceous, 19 
with SAUCERS. 
Ly Sanéers brown black: crust black and white varie- frustulo'sus, 
» gated. Dicks. | , 
Dicks. 8. 10v 
Crust composed of 2 layers, the under one wrinkled, black, 
spreading widest ; the upper white, even, occupying the central 
part, cracked intg irregular pieces. Saucers numerous, on the 
ieces of white crust; very pale brown and flat when young and 
rdered with white ; when older darker coloured and swollen 
into tubercles; when old black and rather confluent. Dicxs. 
Hi. Ta. 3% 
3 Rake in Scotland, and in Yorkshire, 
L. Saucers black, much crowded, flat, border grey + Crust atro-cine'rent 
black. 
Dicks. 9. 2. 
Crust rather thick, black. Saucers elevated, in clusters, when 
young encompassed by a remarkable grey border, when old, re- 
sembling tubercles, and without a border. 
On stones. Dicks. iit. M4. 
L: Saucers black, bordered by the crust and sunk into i¢: gibbo'sus, 
crust warty, brown. 
ers t Dicks. 6. ik 
_ Crust thickish, unequal, hunched, with warts. S aucers 
shining, as if clammy, the border thick, and in reality nothing 
more than a projection of the crust. Dicxs. 
On alpine rocks. On the summit of Ben Lawers. 
L, Saucers blue-black, raised, bluntly bordered: crust Dickso'ni, 
rusty ochre colour. ; 
Dicks. 6. 6. z 
Crust equal, between wrinkled and tubercled, cracked. Saw. 
cers small, numerous, scattered, black, covered with a sea green 
bluish bloom, the bottom depressed, the margin convex and 
thick. Dicks. ’ 
ibe Cesias. Dicks. fase. i. and Bot. arr. ed. fis: On slate 
rocks in the mountains of Scotland. 
L, Saucers blue-black, rather convex, of various shapes : pruina'tus, 
crust rust-coloured, very thin. 
: Dicks. 9. 4. 7 P 
' 
Crast red. rust-colour, extremcly thin. Sancers generally 
seattered, sometimes in clusters, rather large, flat, of a little 
; : cz geo : 
