822 . CRYPTOGAMIA ALG^, 



their rims of the fame colour, as the leaves, 

 which rims difappear when the Ihields are old. 



pitriednus L. imbricatus, foliis crifpis fulvis, peltis concolo- 

 34. ' ribus fulvis. Sp. J>1. 16 10. {Dilkn. t. 24./. 76. 



A-C.) 



Common yellow Wall-Lichen. Jnglis, 



Upon walls, rocks, tiles of houfes, and upon 

 trunks of trees, very common. 



This commonly fpreads itfelf in circles of two or 

 three inches in diameter. The leaves run gra- 

 v . • dually dilated from the centre to the circum- 

 . . ference, expanded flat, £ind forming a thm cruft. 



They are varioufly laciniated, their edges curl'd, 

 and incumbent upon each other^ and their ex- 

 tremities divided into obtufe crenated fegments. 

 Their colour is cither yellow, greenlih yellow, 

 or orange ; their under fide whitifli, except at 

 the margins, v^hich are yellow. 



The fhields are numerous, fmall, and orange-Co- 

 lour*d, the largeft placed in the centre, the 

 fmalleft next the circumference. 



Their difc in the full-grown or old ones is flat, 

 their margin of the colour of the leaves. 



It is afRrm*d to dye a good yellow or orano-e-co- 

 lour, if fixed with allum. 



fhyfodes^^ L. imbricatus, laciniis obtufis fubinflatis, Sp. ph 

 1610. {MicheLgen. t. 50. Ordo 25. /. 1. 2. D;/-ij 

 kn. mfc. t. 20./. 49. A-D,) I 



Inflated- 



