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PL cell aph. 4. CENOTHALAMEiE. 109. Parmelia. 443
Lichen speciosu?, WulfinJacq. Coll. 3, 119.
Lobaria speciosa, Hoff/n. Germ. 153.
Parmelia speciosa, Achar. Melh. 198; Lick. 480.
On the trunks of trees and rocks.
27. Parmelia Icevlgata. Smooth border-moss.
Thallus stellate, smooth, greyish white ; underneatli
black, fibrilled ; jags many-cut, linear, broader outwardly
cut, divaricated, pointed, frequently having soredia in the
circumference; apoihecia concave, chestnut; border not cut.
Lichen laevigalus, Engl. Bot. 1852.
On rocks.
28. Parmelia farrea. Floury horder-moss,
Thallus round, greenish, grey, powdery; underneath
whitish, fibrils brown-black ; jags short, deeply crenate,
tiledlike, edges raised, granulated, powdery; apothecia
black, grey, and hoary: border bent in^ swollen, slightlyhollowed.
Parmelia farrea, Achai: LicJi. Univ. 475.
On the ground, on trees, and rocks.
29. Parmelia puluerulenta. Powdery border-moss.
Thallus stellate, greyish white, hoary; underneath black,
woolly, hispid ; jags linear, manj^-cut, separate in the circumference,
flat, pressed close, wavey; tips blunt; apothecia
grey; border not in the least cut, bent.
Lichenoides arboreiim et saxatile, crusta foliosa leniii, fusco-vircnti
in segmenia latioia plermnqiie divisa, Dillen in liai Syn. 74,74.
Lichenoides aiboreum, criisla foliosa iiif'ormi, scutellis subnigris, limbo
cinereo crispo cinefis, Dillen in Raii Syn. 75, 75.
Lichen slellaiis /3 et >, Huds. Fl.Jngl. 534.
Lichen allochroiis, EhrJi. Crypt. 19, 137.
Lichen pulverulenlus, Srhreber Germ. 1 153; Engl. Bot. 2063.
Lobaria piilverulenta, Hoffm. Germ. 152.
Parmelia piilverulenta, Achar. Meili. 210; Lich. 475.
On the bark of trees.
30. Parmelia ccesia. Grey border-moss.
Thallus starlike, greyish white or grey, bearing soredia;
underneath grey; fibrils black; jags linear, many-cut,
deep, slightly convex, the last jags flat; apothecia slightly
concave, black ; border rather bent inwards.
Lichen pulchellus, WulfinJacq, Coll. 2.
Lichen ciE, ins, //q^/H. /.£c/(. 12, 1 ; Engl. Bot. 1052.
Lichen Psora, Dicks. Crypt. 3, 17.
Lobaria caisia, Hoffm. Germ. 156.
Parmelia caasia, Achar. Meth. 197 ; Lich, 479.
On rocks, wood, mosses, and the trunks of trees.