PI, cell, aph. 4. CENOTHALAMEiE. 114. Lepid. 461 
Lichenoides pulmonarius saxatilis vi rid is, foliis vix conspicuis squama- 
tim sibi incumbentibus, receptaculis florum nigris, Dill. Muse. 228. 
Lichen luridus, Achar . Prod. 95; Engl. Bot. 1329. 
Lecidea lurida, Achar. Meth. 77 ; Lich. 213. 
On rocks. 
4. Lepidoma atrorufum. Reddish Hack lepidome. 
Crust nearly of one piece, lobed in beds and tiledlike, 
dark brownish grey ; lobes at last bent, deeply crenate ; 
apolhecia pressed close, with scarce any border, flattish, at 
length running into one another, blackish brown. 
Lichen luridus, Vahl.Fl.Dan. 
Lichen atrorufus, Dickson Crypt. 4,22; Engl. Bot. 1102. 
Lecidea atrorufa, Achar. Meth. 74 ; Lich. 200. 
On rotten mosses on the ground. 
5. Lepidoma testaceum. Pearly lepidome. 
Crust nearly tiledlike, greyish ; lobes thick, crenate 
turned back ; apothecia marginal, convex, red. 
Lichen saxifragus, Smith Lin. Tr. 2. 
Psora testacea, Hoffni. Germ. 162. 
Lecidea testacea, Achar. Meth. 80. 
Lecanora testacea, Achar. Lich. 409. 
On stones, and limestone-rocks. 
6. Lepidoma scalar e. Step lepidome. 
Crust nearly tiledlike, pale fawn-colour; lobes slightly 
distinct, kidneyshape, rather erect, powder beneath and on 
the edge ; apothecia flat, bordered, greenish black. 
Lichen leucophaeus, Dicks. Crypt. 2, 20. 
Psora ostreata, Hoffm. Germ. 163. 
Lichen scalaris, Achar. N. Act. Stockh. 16. 
Lecidea scalaris, Achar. Meth. 78 : Lich. 214. 
On the bark of old sapless pines and juniper-trees, and 
on the slight coating of earth on rocks. 
7. Lepidoma rubiformis. Raspberry lepidome. 
Crust nearly tiledlike, lobes rounded, crenate, brownish 
livid, underneath white; apothecia hemispherical, conglo- 
merate, dark brown, not bordered. 
Basomyces rubiformis, Achar. Meth. 324. 
Lichen rubiformis, Engl. Bot. 2112. 
Cenomyce rubiformis, Achar. Lich. 5£6. 
Lecidea rubiformis, Wahlemb. Lapp. 479. 
On turfy earth. 
