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BOTANICAL OBSERVATIONS ON THE AZORES. 199 
NopuuariA Harveyana, Thuret. 
Corvo (1454). 
CYLINDROSPERMUM LICHENIFORME, Kiitz. 
San Miguel (1456). 
C. magus, Kiitz. 
San Miguel (1457). 
PHORMIDIUM LAMINOSUM, Gomont. 
San Miguel (1457, a, in hot springs). 
OscILLATORIA FORMOSA, Bory. 
Sta. Maria (1454, a). 
O. anmmaLis, Ag.? Phormidium smaragdinum, Archer 337. 
San Miguel. 
CuHRoococcus minor. Archer 335. 
San Miguel. 
MERISMOPAEDIA, sp. Archer 334. 
San Miguel. 
Lichenes.* 
LICHINEACEAE. 
Licuina pyamMarEA, Ag.— Leighton, 11. , 
San Miguel (1466). — Now sometimes known as 
Pygmaea pumila, OK. 
CoOLLEMACEAE. 
Leprocium Bureessi, Mont.?— Leighton, 33. 
Sta. Maria (1475, a). 
L. cutorometum, Nyl.?— Leighton, 32. 
San Miguel (Machado, 49). Sta. Maria (1475, 6, 
1486, 5). 
L. pHYLLocarPUM, (Nyl.), var. DAEDALEUM, Nyl. 
San Miguel (Machado, 36). 
L. stmuLATUM, Schaer. 
San Miguel ( Machado, 47.) 
Two other, immature, representatives of this genus were col- 
lected at Sta. Maria (1475, c, 1509, c). 
* Determinations by Professor T. A. Williams. 
