30 
CRYPTOGAMIA. ALGZE. Lichen. D. Somewhat crusa 
‘ taceous, beaf-like, tiled, loose. = 
% Hoffm. lith. 25.42 ; enum. 14, 2. 
- Distiriguished from the L. fahlunensis and omphalodes by 
the leafits being strap-shaped, with repeated forked divisions; 
_ and forming an irregular circle. Saucers very large when old. 
stella’ris. 
Horrman. Ph. : ; z 
On the highest mountains in Scotland. Dicks. iii. 10. 
L. Saucers blackish brown: leaves ash-coloured, oblong, . 
~) Marrow, jagged. 
Hoffm. enum. 13.2.—Dill. 24. 70-Fl. dan. 957 414 
Of a greenish hue when moist, when dry ash-coloured. Huns. 
Saucers when young white or gtey, being covered with a thin 
mealy pellicle, but as they enlarge and grow older the pellicle 
disappears, becoming black, with a border of the same colour as 
the leaves. Specimens sometimes found with only tubercles and 
no saucers. Licutr. Ash-coloured when fresh, whiter when | 
dry. . Leaves with narrow, oblong segments, diverging froma 
centre, smooth. Saucers on the central part, black, with a grey 
rder; sometimes intermixed with mealy tubercles. Dri. 
Trunks of trees, walls, and stones.—More frequent on the _ 
smaller branches than on the trunks of trees. Dit. © é 
Var. 2. Saucers larger. | ; 
Fl, dan. 957. 2—Hoffm. enum. 13. 1-Dill. 2. 71-Facq. coll. 
ii, 15.2. a. b-Mich. 43. 2. eos 
In circles of 4 inches or more in diameter. Leaves when 
fresh rue-coloured, after being kept some years turning to rus- 
set-grey ; segments stiffer, and not so closely united at their 
extremities. Saucers larger. Licutr. Deep glaucous green 
when wet, grey when dry, even whilst growing. Leaves stiff, 
segments blunt. Roots black fibres. Saucers numerous in the 
centre, of different sizes intermixed, glaucous when young, 
black when old ; border the colour of the leaves. Dit. 
Oak, beach, elms and other rough trees. Dini. 
Var. 3. Saucers with curled brims, Re Sym. ps 75s 2. 75-— 
The saucers of variety 2 when becoming old, have their out- 
sides and brims covered with minute leaves, so as to appear 
curled. Lic. 
Var. 4. Saucers large, purplish black ; border white, regu- 
lar. L. ste/lariformis. Hoffm. enum. p- 73. Specimen from 
Ms. Griffith, who gathered it on stones, about Garn, and ob- 
serves that it seems to connect the stellaris with the ciliaris. 
Some specimens of the L. stellaris come so near to the L. 
" obscurus that I doubt whether the only difference is not from 
focal circumstances. Mr. Grirritn, 
