Pl.cell.aph. 4. CENOTHALAMEiE. 115.Lecidea. 465 
Lichen muscorum, Lin. Meth. Muse. 36; Engl. Bot. 626. 
Lecidea muscorum geochroa, Achar. Lich. 179. 
Lecidea sabuletorum syncomista, Florke in Berl. Mag. 1808, 309. 
On verdant and healthy tufts of mosses. 
10. Lecidea miscella. Mixed lecidea . 
Crust tartarlike, broken, cracked; beds wartlike, bald, 
wrinkled, cracked, greyish ; apolhecia. deeply sunk, convex, 
aggregated, conglomerated, very slightly bordered, black; 
inside similar. 
Lichen miscellus, A char. Prod. 62; Engl. Bot. 1831. 
Lecidea misceUa, Aehar. Meth. 62; Lich. 167. 
L'chen escharoides ? Ehrh. Crypt. 313 ; Engl. Bot. 1247. 
On rocks and turfy ground. 
1 1 . Lecidea atro-virens. Greenish-hlack lecidea . 
Crust spread, thin, black; beds flattish, nearly contigu- 
ous, deep yellow; apothecia plano-concave, black; inside 
the same colour. 
Lichen afrovirens, Lin. S. P. 1607. 
Yerrucaria atrovirens, Hoffm. Germ. 200. 
Lecidea atro virens, Achar. Meth. 45 ; Lich. 163. 
On rocks and stones. 
/3. geographica. Beds yellowish, flat, angular, half co- 
vering a blackish underlayer, intersected with black lines, 
and with a black border. 
Lichenoides nigroflavum, tabulae geographicae instar pictum, DilL 
Muse. 126. 
Lichen geographicus, Lin. S. P. 1607 ; Engl. Bot. 245. 
Verrucaria geographica, Hoffm. Germ. 199. 
Lecidea atrovirens geographicus, Achar. Meth. 46; Lich. 163. 
12. Lecidea silacea. Ochre lecidea * 
Crust tartarlike, winding, warted, very red; apothecia 
sessile, flat, growing convex, difform, confluent, black; 
inside horny, black. 
Lichen silaceus, Achar. Prod. 66; Engl. Bot. 1118. 
Yerrucaria silacea, Hoffm. Germ. 187. 
Lichen Oederi, Weber Germ. 182. 
Lecidea silacea, Achar. Meth. 48; Lich. 164. 
On rocks. 
13. Lecidea Oederi . Oeder's lecidea . 
Crust bedded, granular, slightly powdery, ochry rust- 
colour; apothecia minute, raised; edge swollen, centre 
depressed, powdery, black ; inside similarly coloured. 
VOL. i. 2 H 
