■438 109. Parmelia. 4. CENOTPIALAMEiE. PL cell. aph. 
Lichen melanoleucus, Willd. Bot. Mag. 4, 9. 
Lichen perforatus, Jacq. Cell. 1, 116. 
Platisma perforatum, Hoffm. Lich. 13, 1. 
Parmelia perforata, Achar. Meth. 217 ; Lich. 459. 
On the trunks of trees. 
6. Parmelia tiliacea. Lime-tree border-moss . 
Tkallus round, membranaceous, greyish sea-green, rather 
lioary; underneath blackish brown; fibrils black; lobes 
sinuated, jagged ; outer lobes rounded, crenate ; apothecia 
brownish ; border not cut. 
Lichen quercifolius, Waif, in Jacq. Coll . 3, 127. 
Lichen quercinus, Willd. FI. Berol. 7,15. 
Lichen tiliaceus, Hoffm. Lich. 96; Engl. Bot. 700. 
Lobaria tiliacea, Hoffm. Germ. 149. 
Parmelia tiliacea, Achar. Meth. 215 ; Lich. 460. 
On the bark of trees. 
7. Parmelia corrugata. Wrinkled border-moss . 
Thallus round, membranaceous, very thin, wrinkled, 
«ea-greenish ; underneath black, brown, fibrilled; lobes 
cut, rounded, loose, folded, winding, not cut; apothecia 
winding, red; border crenulate. 
Lobaria Acetabulum, Hoffm. Germ. 147. 
Lichen Acetabulum, Neck. Delic. et Meth. 
Lichen corrugatus, Smith in Lin. Tr. 1,83. 
Parmelia corrugata, Achar. Meth. 215; Lich. 462. 
On the bark of old trees. 
S. Parmelia olivacea . Olive border-?noss . 
'Thallus round, olive umber, wrinkled, raised, dotted; 
underneath paler, brownish, rough, slightly fibrilled ; lobes 
radiating, pressed close, flat, dilated, rounded, crenate; 
apothecia flattish, nearly the same colour as the thallus; 
harder crenulate. 
Lichenoides crusta foliosa scuSellala, puilum, Raii Syn. 72, 60. 
Lichen olivaceus, Lin. S. P. 1610. 
Lobaria olivacea, Hoffm. Germ. 150. 
Parmelia olivacea, Achar. Meth. 215; Lich. 462. 
On the trunks of trees, and wooden palings. 
9. Parmelia parietina . Wall border-moss . 
Thallus round, very yellow: underneath paler, slightly 
fibrilled; lobes radiating, pressed close, flat, dilated at the 
tip, rounded, crenate, crisp; apothecia similar in colour; 
border not in the least cut. t 
