276 
FLORA OF FORFARSHIRE. 
P. pulverulenta. Ach. Green powdery Parmelia. H. 
201 . 
Walls plentiful, ft. frequent. 
P. pityrea, Ach ? Scurfy imbricated Parmelia. H. 201. 
Marten’s Den, rare, sterile, Mr A. Croall. 
P. stellaris, Ach. Black-shielded stellated Parmelia. 
H. 201. 
Walls, trees, and old pales, frequent, with ft. 
P. Fahlunensis, Ach. Flat black Parmelia. H. 202. 
Rocks on most of the Clova mountains, ft. abundant. 
P. stygia , Ach. Stygian Parmelia. H. 202. 
Rocks, Clova, in ft., but not common. 
P. aquila, Ach. Sun-burnt Parmelia. H. 203. 
Rocks on the coast plentiful, and on Turin Hill and Lundie 
Craigs, ft. common. 
P. ambigua, Ach. 
203. 
Yellowish powdery Parmelia. H. 
Kinnordy, sterile, H. B. F. 
P. parietina , Ach. Yellow wall Parmellia. H. 204. 
Walls, rocks, and trees, plentiful, the thallus from pale 
yellowish green to deep orange, ft. abundant. 
P. physodes, Ach. Inflated Parmelia. H. 204. 
Walls and trees common, ft. rather rare. In ft. on trees 
in Baldovan and Deerhill Woods ; and on walls, Baldovan, 
Camperdown, Auchterhouse, Auldbar, &e. Near Ivinnaird, 
Mr A. Bousie. 
P. erosa, Bort. MSS. Corroded Parmelia. Walls, Will’s 
Braes, and Auldbar, sterile. 
Sticta, Ach. Sticta. 
Br. sp. 8. F. 4. 
S. pulmonaria, Hook. Lungwort Sticta. H. 206. 
