

278 OF TREES AND PLANTS. 



with the two common fpecies, with reddi/h-br-o'wn (o) and with 

 large black fcutellx (p). It is ufually in broad orbicular groups, 

 moderately thick, adhering clofe to the rocks ; but in its older 

 flate, eafily raifed in large plates and entire with a knife; of a 

 whitim-grcy, or filvery colour. Thefcutl/<eor fructifications are 

 numerous ; firft white, afterwards of a light red, and at length 

 of a deep purplifh-red and glolTy, with a white circle round the 

 edges, fometimes crenated, and fometimes not. It is exceed- 

 ingly beautiful in its flate of fructification, elegantly variegating 

 large rocks at the two former places. It is accounted a fcarce 

 plant. Dillenius refers us to the Welch alpine rocks for it. It is 

 not in the Flora Angelica. 



38. Grey, tinfforial) critftaceous Lichen, or S f one~Mofs, "with large 

 yellow di/hes (q). On the rocks at the two Waneyhoufe-cra.g& ; alfo 

 on thofe of Raven s-hugh and Tecket, plentifully. It is thick, le- 

 prous, and fpreading, of a rugofe granular furface, and often 

 mealy, of a filvery grey colour. The orbicular fcutclU or fructi- 

 fications are large, moderately concave, of a fair pale yellow, 



(o) Lichen cruftaceus arboribus adnafeens ex cinereo-aibicans, receptarulis florum crebris 

 fubfufcis-limbo albo.crenato cindis. Michel. Ord. xxxiv. n. 29. p. 97. Lichen leprofus al- 

 bicans, fcutellis fubfufcis, marginc cinereo fubcrenato. Linn. Flo. Suec. n. 94.3. Liche- 

 noides cruftaceum & leprofum, fcutellis fubfufcis. Raj. Syn. iii. p. 71. n. 45. Dill. Gifl". 

 p. 205. Hift. Mufc. p. 13}. t. 18. f. 16. 



(p) -Lichen faxatilis amplioribiw & -eleganti'flimis fcyphis nigricantibus ornatus. Rupp. 

 Flo. Jen. i. p. 351. ii. .p. 299. Lichenoides cruftaceum & leprofum, fctitellis nigric.intibus 

 .majoribus & minoribus. Dill. Hift. Mufc. p. 133. t. 18. f. 15. Raj. Syn. iii. p. 71. 



fq) 'Lichenoides cruftaceum & Jeprofum, acetnbulis majoribus luteis, limbis argenteis. 

 D.RICHARDSON. 'Raj. Syn. iii. p. 71. n. 46. Lichen cruftaceus albidu?, fcutellis luteis, 

 margine albo. Linn. Sp. PI. 1141. Lichenoides cruftaceum & leprofum acetabulis majoribus 

 luteis, lirrbis argentiis. Dill. Hift. Mufc. p. 132. t. 18. f. 13. 



with 



