CRYPTOGAMIA ALG.^E. S27 



The leaves, wlien dry, rum cither ani-roloui'd, or 

 yellovvilli whire •, and, in long prciervadon, the 

 blue fpongy hairs on the under fide become 

 white i in which ftate BiHcrJux delcrlbed it» for 

 \ye faw, in his colledlion, the very fpccia-ien to 

 which the figure I jiave above fcircd, and his 

 defcription, refer. 



^^ilf^S9 L. foliaceus' fubimbricatus cr.I'piis, pekis elevati-s 

 muricato criipirj fundo deprefTo piano. Lr«. Srj2. 

 vnt^ edit. 13. />. 807. (Fide Jig. noft.) 

 Crov;ned Lichen, or Burgefs\ Lichen. Anglis. 

 Upon the trunks of haiel and .old birch trees, on 

 the bank of a rivulet called Duff-KlnneL near 

 • ' Barntimpen, in the parifn Oi Kirkptztrick ; and n- 

 a Hiady wood called zhc A^olpnljn:!, in the pa- 

 rifli of Jchnjione^ in Dumfricfmrc, iiril difccver'd 

 by the Rev. ]^r. Burgcfs, ot Kirkmichael, in the 

 fame county. 

 This confijls of tliin, mcml-ranaceous-, pciiucid., 

 , ;, _ dull green leaves, (landing fonicwjiat erect, 



curled, lobed, and dented on t])e rnargins. 

 , The fliields are ilal.j fmooth, of the latr.e colour 



as the leaves, fupppned on \ery fliort pedun- 

 " cles, and crowned with foliaceous crifpea inar- 



•■' ■ ' gins. - .. . y;i;-^ 



' -. ■ When the plant is .dry it aiTumes a forncwhat dif- 

 ferent appearance. The Ica^ es become oi a 

 -.J. brown purple colour, op;ike, a.Kl a little hoary 



unJernearh ; 



