CRYPTOGAMIA. ALGE. Lichen. B. (4) Crustaceous, 
: with both Tusercres and Saucers: 
whitish hue. Saucers deep yellow, numerous, of:a middling 
a sometimes 2 or 3 together, the rest scattered. Dicks. _ 
e 
runks of trees. 
L, Saucers sea green, with a white border; crust whitish, 
cracked into roundish angular pieces. 
pe tee 4 FL dan. 468. 3. 
Rocks and stones in Yorkshire. Dicxs. 12. 
_ B,. (4) Crustaceous, with Loth Tusercirs and Saucers. 
L’Sancers blackish, border and outer side whitish : tus 
bercles blue black : foliage grey white, leaves slight~ 
ly many-cleft. 
Hoffm, lich. 8.1: and enum. 12.1. 
Crust in circular patches ; 1 or 2 inches over. Fructifca- 
tions numerous, in the centre. HorrM. — 
Stones, roofs, and on moss. 
L. Tubercles tile-coloured, in the centre : sancers con- 
cave, the same colour, in the circumference; bor- 
der brown white; crust brown white... . 
Dicks. h. s.3E. bot. 690—Fi. dan. 470. 2. 
7 
rimo’sus. 
Pso’ra. 
geli’dus. 
Crust leafy, circular, so closely growing to the rocks as not 
to be separated from them; whitish, longitudinally wrinkled. 
Tubercles occupying the centre of the crust, reddish tile-co. 
loured, convex, considerably elevated, with ray-like plaits, with. 
out any border. Linn, The redness of the saucers disappears 
when the plant is dry. Dicxs, ‘It forms a circular crust about 
the size 7 a shilling, so thin as hardly to bear a ying from 
the rocks. The fructification generally consists of one solitary 
tubercle, near the centre of the plant, considerably elevated 
above the crust. Have only twice found it with saucers. Mr. 
GrirrirH. 
L. hecle Cider fl. dan. viii. Saee C&der very rightly con- 
_ jectured. - As “Linnzus had not observed any saucers, he only 
mentioned a tubercle in the centre. L. ge/idus. Huds. 528, is 
a very different plant. Dicxs.—See L. wemtosus. 
Rocks in the Highland mountains, and on large stones, ge- 
nerally near water. Mr. Brown, [Between Lianberris and Pen 
y Gorphwysfa ; also at Gallt y ddé! garn, between Pencraig and 
Cappel cerrig. On stones in Cwm Idwell, Caernarvonshire, 
Particularly near Twill du. Mr. Grirrira ]. te aaa 
25 
L. Saucers tile-colour, tubercles black, both with white decip’iens. 
stellated borders ; foliage brownish, shining, lobed, 
tiled, tawny ; white underneath and at the edge. 
