NEW LICHENS. 151 
pruinosis; apotheciis immersis, disco nigro-pruinoso, mar- 
gine tenui, demum obsoleto. 
Has. On transition rocks facing the south; Dunkerron, 
County of Kerry.—Patches two inches or more wide; 
when wet the substratum and scales become very distinct ; 
when dry appearing as a confused dusky greenish-grey 
powder. The scales on which the apothecia are fixed are 
by far the largest. Dissection shews beneath a browish- 
black disc a shallow semipellucid, striated brown lamina, 
resting on much opaque brown matter. 
8. L. endochlora, Tayl. ; thalli squamis confertis, incrassatis, 
angulato-rotundatis, demum convexis, albis, intus viridi- 
flavicantibus, marginatis, periphericis radiato-lobatis ; apo- 
theciis sessilibus, minutis, disco rufescenti, margine 7: 
lidiori, demum excluso. 
Has. On sand; Mendoza; Gillies, Hook. herb. — Scales 
crowded, minute, white except where the cuticle is abraded, 
where they are yellowish-green. Lamina reddish-brown, 
paler than the disc. This poses would. ani among. the | 
 Psore of Hoffmann. a s 
9. L. emergens, Tayl. ; crusta tenui, leproso-membranacea, ee 
pallide uieebeatiduten. 3 verrucis minutissimis albidis con- - o 
planis, nigro-pruinosis, intus. albidis, 
x flexuoso, subintegerrimo. P$ 
ct ra On bark; St. Vincent; Rev. L 
. Apothecia  pruinose and black, while de enka. mien 
: ies wht pe here and. there. blackish, en puit 
