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BOTANICAL OBSERVATIONS ON THE AZORES. 205 
PANNARIACEAE, 
PANNARIA MOLYBDAEA, Tuckerm. 
Corvo (1501). Flores (1502). 
P. puumBea, Delis. ? — Leighton, 154. 
Flores (1513).— Perhaps merely a form of the last. 
LECANORACEAE. 
LECANORA PARELLA, Ach. 
Flores (1504). Sta. Maria (1504, a). 
L. stvprusca, var. pistans, Ach. 
San Miguel (Machado, 43, a). 
PERTUSARIACEAE. 
PERTUSARIA, Sp. 
Flores (1505). 
LECIDEACEAE. 
LECIDEA ALBOCAERULESCENS, Schaer.— Leighton, 303. 
San Miguel (1506, 1507). 
L. cyanochroa, Stirton, Journ. Linn. Soc., Bot. 14: 373. 
San Miguel. 
BueLLIA MYRIOCARPA, Mudd. 
(ZRAPHIDACEAE. 
GRAPHIS, sp. 
San Miguel (Machado, 39). 
OpraRAPHA saxicota, Ach., var. PERSOONII, Ach.— 
Leighton, 403. 
Flores (1508, — apparently associated with an 
undetermined species ). 
VERRUCARIACEAE. 
NorMANDINA PULCHELLA, Nyl. — Leighton, 440. 
Flores (1509), Sta. Maria (1509, a). 
