£62 CRYPTOGAMIA ALG^. 



cles, formed of about two hair-like concentrle 

 circles. 



Such are otir fpecimens, and fuCh are'thofe of Dil- 

 lenius which we compar'd with ours. 



It differs from the preceding in the fmallnefs of 

 the tubercles, and in having no rigid hairs on 

 the margin, otherwife in colour and fubftance 

 it is very like it, and we fufpecl it to be only a 

 variety, as the margins of the leaves in that do 

 often produce but very few hairs, and therefore 

 ma)' perhaps be fouftd fometimes bald, or en- 

 tirely without hairs. 



It may be alio readily diftinguifhed from the L. 

 miniatus before- mentioned, not only by it« 

 black-grey colour, but alfo in having fmall 

 elevated black hair-button tubercles 5 whereas 

 the other has only innumerable fine imprels'd 

 dots or points. 



Icr-'efa^jus L. umbilicatus pullus, fupra rugofus, fubtus re- 



}0. ticulato-fibi-ol'us, verrucis nigris crifpis. {Billen. 



miijc. t. 30./. 1 J 8. hcna. & ejus varietas f. 119. 



Oed. Ban /• 471. /- 3/^ Jed ahlqiie jibris reticti- 



latis.) 



Sad- colour'd crumpled Lichen, with black curled 



warts. 

 Upon the highland rocks frequent. 

 This confifls of one, and often leveral leaves, of 

 a black brown or fad colour, united at the 



bafe 



