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438 109. Parmelia. 4. CENOTHALAMEiE. PL cell. aph.
Lichen melanoleucus, Willd. Boi. Mag. 4, 9.
Lichen perforatus, Jacq. Cell. 1, 116.
Platisma perforatum, Hoffm. Lich. 13, 1.
Parmelia perforata, Achat-. Meth. 217 ; Lich. 459.
On the trunks of trees.
6. Parmelia t'lUacea. Lhne-tree border-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. 3, 127.
Lichen quercinus, Willd. Fl. Btrol. 7, 15.
Lichen tiiiacens, Hoffm. Lich. 96; Engl. Bot. 700.
Lobaria tiliarea, Hoffm. Germ. 149.
Parmelia tiliacea, Achar. Meth. 215 ;
On the bark of trees.
Lich. 460.
7. Parmelia corrugata. IVrinkled horder-moss.
Thallus round, membranaceous, very ihln, wrinkled,
sea-greenish; underneath black, brown, fibrilled ; lobes
cut, rounded, loose, folded, winding, not cut; apothecia
winding, red ; harder crenulate.
Lobaria A'Cetabuhiin, Hoffm. Germ. 147.
Lichen Acetiibulum, NecJc. Delic. et Meth.
Liciien corrugatus. Smith in Lin. Tr. I, S3.
Parmelia corrugata, Achcir. Meth. 215; Lich. 462.
On the bark of old trees.
8. Parmelia olivacea. Olive horder-moss.
Thallus round, olive umber, wrinkled, raised, dotted;
imderneath 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 scuiellala, pulUim, Raii Syn. 72, 60.
Lichen olivaceu?, Lin. S. P. 1610.
Lobaria olivacea, Hoffm. Germ. 150.
Parmelia olivacea, Achar.Melh. 215 ; Lich. 462.
On the trunks of trees, and wooden palings.
9. Parmelia parieiina, JVall horder-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.