438 109. Parmelia. 4. CENOTHALAMEAZ. Pl. cell. aph. 
Licken melanoleucus, Willd. Bot. Mag. 4,9. 
Lichen perforatus, /acg. Coll. 1, 116. 
Platisma perforatum, Hoffm. Lich. 13,1. 
Parmetia perforata, Achar. Meth. 217; Lich. 459. 
On the trunks of trees. 
6. Parmelia tiliacea. Lime-tree lborder-moss. 
Thallus round, membranaceous, greyish sea-green, rather 
hoary; underneath blackish brown; fibrils black; lobes 
sinuated, jagged ; outer lobes rounded, crenate; apothecia 
brownish ; border not cut. 
Lichen quercifolius, (Wulf. in Jacq. Coll, 2,127. 
Lichen quercinus, Willd. Fl. Berol. 7,15. - 
Lichen tiliacens, 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. IVrinkled border-moss. 
Thallus round, membranaceous, very thin, wrinkled, 
sea-greenish; underneath black, brown, fibrilled; lobes 
cut, rounded, loose, folded, winding, not cut; apothecia 
winding, red; lorder crenulate. 
Lobaria Aeetabulum, Hoffm. Germ. 147. 
Lichen Acetabulum, Neck. Delic. ct Meth. 
Lichen corrugatus, Smith in Lin, Tr. 1,83. 
Parmelia corrugata, Achar. Meth. 215; Lich. 462. 
On the bark of old trees. 
8. Parmelia olivacea. Olive border-moss. 
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; 
border crenulate. 
Lichenoides crusta foliosa scutellata, pullum, Rait 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; apothecta similar in colour; 
border not in the least cut. 
