PI. cell. aph. 4. CENOTHALAME JS. 110. Psoroma. 445 
3. Psoroma tribacium. Torn psorome . 
Crust scalelike, silvery, greyish white ; lobes irregular, 
differently shaped, torn crenate, tiledlike; underneath the 
same colour, slightly fibrilled ; apothecia pressed close, 
centre flat, pale circumference at length crenated and 
lobed ; thalloid border raised, persistent. 
Lecanora tribacia, Achar. Lich. Univ. 415. 
On the trunks of trees and rocks. 
4. Psoroma candetarium. Candle psorome. 
Crust scalelike, yellow ; lobes very crowded, torn-jagged, 
tiledlike; edges granulated, powdery ; apothecia flattish* 
similar in colour ; thalloid border raised, not cut. 
Lichenoides crustosmn orbiculis et scutellis flavis, Dillen Muse. 236 - 
Engl. Bot. 1794. 
Lichen candelarius, Lin. S. P. 1608. 
Lichen concolor, Dickson Crypt . 3, 18. 
Parmelia candelaria, Achar. Me.tli. 1S7. 
Lecanora candelaria, Achar. Lich. 416. 
On the trunks of trees, palings, rocks, and walls. 
5. Psoroma polycarpum. Many-fruiled psorome. 
Crust composed of conglomerated, granulated, lemon- 
yellow lobes; apothecia crowded, bent; centre flat, dilated, 
similarly coloured, afterwards pale -red ; thalloid border at 
length crenulated. 
Lichen polycarpus, Ehrh. Crypt. 14, 136. 
Verrucaria fulva, Hoffm. Germ. 193. 
Parmelia citrina, Achar, Meth. Lich- 179. 
Lecanora caudelaria, Achar. Lich. Univ. 416. 
On old wood and the trunks of trees. 
6. Psoroma hypnorum. Hypnum psorome. 
Crust scalelike, brownish yellow, flame-colour ; lobes 
small, roundish, dissimilar, edge granular, crenulate ; apo- 
thecia slightly membranaceous ; centre concave, at length 
flat, dilated, bay and black ; thalloid edge raised, bent in, 
crenate. 
Lychen hypnorum, FI. Dan. 956 ; Engl. Bot. 740. 
Psora hypnorum, Hoffm. Germ. 166. 
Parmelia lepidora, Achar. Metk. 185. 
Leeauora lepidora, Achar. Lich. 418. 
On the ground, and on rotten moss. 
