^1^ CRYPTOGAMIA ALCJE. 



Coixar. GauHs. 



Upon rocks frequent, bot!i in the highlands and 

 lowlands. 



The crull is thick and tough, either white or 

 greenilh-whitc, and has a rough, warted fur- 

 tace. The Ihields are yellow, or bufF-colour'd, 

 of various fizes, from that of a pin's head to 

 the diameter of a filver penny. Their margins 

 are of the fame colour as the cruft. 



This Lichen is much ufed by tU^ Highlanders in 

 dying a fine claret or pompadour colour. 



.( 'or this purpofe, after fcraping it from the rocks, 

 and cleaning it, they fteep it in urine for a quar- 

 ter of a year. Then, taking it out, they make 

 it into cakes, and hang them up in bags to dry. 

 Tiiefe cakes are attcrwards pulverized, and the 

 powder is ufed to impart the colour, with an 

 addition of ailum to fix it. 



fnllrfrens 1- crufiaceus albicans, fcutellis pallidis. SIk pi 

 12. i6oH. (DiUcn.mufc. t. I'i. f- 17. J.B.J 



i\ilc glaucous Liclien. j^nglis. 

 I'ponwalls and rocks common, and fometimes 



upon the bark Oi trees. 

 The ciufl is of a vrcy or bluifli wjilte colour, 

 Iprcadmg clofely to the lubllance on which it 

 tuoAS in the form of a circle, one, two, or three 

 ii'iChes in diameter, wrinkled and lobed at the 

 ciiTuinfercncr, fo as to emulate finall united 

 leaves, li! the centre of this crult is often found 



a green i 111 



