160 NEW LICHENS. 
Has. On bark; St. Vincent's; Rev. L. Guilding, Hook. herb. 
—Thallus 2 or 3 inches wide, very thin, whitish but with 
a yellow hue from the powder of the buds. Aged apothecia 
frequently proliferous. Beneath a disk of dusky orange 
pruina is a transparent and colourless lamina, resting on 
whitish cortical matter. This may be known from Lecidea 
aurantiaca, Ach., by the thallodal border of the apothecia, 
and by the yellow buds on the surface of the thallus, and - 
on the margins of the apothecia. à; 
4. L. bibula, Tayl.; hypothallo albo, filamentoso, implexo; 
thalli granulis subvillosis, subrotundis, planiusculis, con- 
fertis, pallidissime virentibus; apotheciis sparsis, fusco- 
rufis, demum convexis, margine thallode tenuissimo, 
evanescente. | 
Han. 1648. On bark; Juan Fernandez; Hook. Aherb.— - 
Patches 2 or 3 inches wide; readily imbibing water; when - 
 thethallus swells, the granules have very minute lobes. 
. The lamina is very shallow and transparent, resting upon - 
. much brownish-red matter which gives the colour to the 
- apothecia. ; 
6; L. comminuta, Tayl.; thallo disperso, squamis minutis- 
simis, rotundatis, confertis, convexis, subintegerrimis, 
pallide sulphureis ; hypothallo tenui, atro ; apotheciis quam 
thali squamis majoribus, disco E E nigro- 
pruinoso, margine subundulato, integerrimo. E 
= Has. ( On rocks ; Dunkerron, county of Kerry .— Patches two 
lo Mast to the naked eye appearing as the fine I 
phur sc ag blackish ground: the col 
p. F inet, J may be known fm by the p minuter E 
d by the convex disk of the  apothecía ; and principa 
