174 NEW LICHENS, 
goso, laciniis vage ramosis, linearibus, convexis, cinereo- 
ciliatis, gemmis granulatis ; scabro, subtus albo stuppeo; 
apotheciis podicellatis, concavis, disco nigrescenti, mar- 
gine incurvo, subintegerrimo, ciliato, extus albido-pulve- 
raceis. 
Has. No. 1467. Peru; Cuming. Jamaica; Dr. Wright, 
Hook. herb.—Thallus 3-4 inches wide. The ciliæ of the 
apothecia are short and in a young state lie across the 
disks. The lamina proligera is pale and pellucid, thickly 
set with dark thecæ and emerging above the disk of the 
apothecia. 
36. P. saccatiloba, 'Tayl.; thallo orbieulari, albido-cinereo, 
gemmis minutis granulatis creberrimis scabriusculo, lobis 
obtuse complicatis, rotundatis, :subintegris, margine 
recurvis, subtus fusco-nigro glabro, elevato-punctato; 
apotheciis sparsis, concavis, disco castaneo, margine 
erenulato, extus gemmifero. : 
Has.—Pitcairn’s Island; Beechey. Mauritius; Dr. Wight. 
Brazil, Hook. herb.—Thallus several inches wide, pale 
ash-coloured, unaltered when wetted. Buds tipped with 
a dark brown spot, lobes uneven with large convolutions, 
flaccid, somewhat saccate in appearance. Apothecia 
sessile, the border incurted, exteriorly very rough with | 
buds. In characters it approaches P. scortea, Ach.; but. 
the inferior surface is. iin while the = is ns 
nee and uneven. — a 
peram atque margine gemmis | | 
Han. ses k j ds ee E 
aggregated Bes demam ibidem 
on the bark aae dark. ream 
