Pl.celliaph. 4. CENOTHALAMEZE. 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 candelarium. Candle psorome. 
Crust scalelike, yellow; lobes very crowded, torn-jagged, 
tiledlike;. edges granulated, powdery ; apothecia flattish, 
similar in colour; ¢halloid border raised, not cut. 
Lichenoides: crustosum orbiculis et scutellis flavis, Dillen Musc. 236s. 
Engl. Bot. 1794. 
Lichen candelarius, Lin. S. P, 1608. 
Lichen concolor, Dickson Crypt. 3, 18. 
Parmelia candelaria, Achar. Meth. 1ST. 
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. Crupt. 14, 136. 
Verrucaria fulva, Hoffm, Germ. 193. 
Parmelia citrina, char, Meth. Lich. 119. 
Lecanora candelaria, char. Lich. Univ. 416. 
Qn 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; ¢hadlotd edge raised, bent in, 
crenate. 
Lychen hypnorum, Fl: Dan. 956; Zngl Bot. 740: 
Psora hypnorum, Hoffin. Germ. 166. 
Parmelia lepidora, Achar. Meth. 185. 
Lecanora lepidora, Achar. Lich. A18. 
On the ground, and on rotien moss. 
