Sticta.] LICHEKES. 205 



vary, being in some instances filled with a powdery substance, 

 in others empty or merely lined with powder." — The Genus, 

 is, however, allowed, on all hands, to be a natural one. The 

 thallus is broad, spreading 1 , more or less coriaceous, with 

 crowded and dilated marginal lobes. 



1. S. macroplnjlla, Fee, {broad-leaved Sticta); thallus coria- 

 ceous imbricated naked even and green above clothed with 

 brown fibres beneath, its segments nearly flat dilated sinuated 

 obtuse very entire, apothecia reddish-brown with an obtuse 

 border, cyphelhe urceolate empty whitish. Borr. — Fee, Crypt. 

 des Ecorces Off. t. 33./. 1. — >S'. macrocarpa, Delise, ms. — /. c. (in 

 text.) Hook. Bot. Misc. v. 1. p. 17. t. 13. Borrer in E. Bot. 

 Sap pi. t.2697. 



On shady rocks, by the Turk Cascade, near Killarncy, and on Cromag- 

 loun mountain, Ireland, W. Wilson, Esq. — Mr. Wilson was so fortunate 

 as to discover this fine plant, which is found no where else in Europe, 

 while on a botanizing excursion in the South of Ireland, in the summer 

 of 1829. Hitherto the species had only been known as an inhabitant 

 of the Mauritius, whence I possess numerous specimens, from Mr. Tel- 

 fair and Professor Bojer, differing in no essential particular from our 

 own, and according to Mr. Fee of South America, where it grows on 

 the trunks of the Peruvian Bark Tree. 



2. S. croedta, Ach. (yellow veined Sticta); thallus coriaceous 

 sinuated broadly and roundly lobed very dark olive-green pitted 

 and reticulated, the reticulations and margins bearing bright 

 lemon-< oloured powdery spots the under-side clothed witli 

 pale brown fibres, cyphellffi lemon-coloured often wanting. 

 " apothecia brownish-black with an entire border." — Ach. Syn. 



p. 23 1. — Lichen crocattcs, Linn Dicks, Cr, Fast, 2. p. -2-2. 



E. Bot, t. 2110. 



Very rare. "On rocks in the Highlands," Mr. Dickson. — On trees 

 in the Dnke of Argyle's grounds at [nverary, and in Glen SVforriston, 

 Inverness-shire, Turner, Hooker, $ Grt mile. — This very beautiful spe< ies 

 is, like tlu- preceding, an inhabitant both of Britain and of tropical cli- 

 mates, of Bourbon, the W. Indies, and according to Acharius, also of the 

 Cnpe of Good Hope and Spain. 



3. S. aurdta, Ach. (golden-edged Sticta) '> thallus coriaceous 

 broadly and deeply lobed and sinuated waved and crisped 

 smooth above of a reddish-brown colour the margins bearing 

 golden-yellow powder, beneath clothed with tawny fibrous 

 down with golden-yellow powdery cypheU®, apothecia 1 



flat deep-brown with a crenate border bearing golden-yellow 

 powder. —Ach. Syn, />. 232.— XtcAen auratw t E. /><>/./. 2 -IMK — 

 Dili, Muse, i. 64./ 12. 

 " Among the remains of Mr. Hudson's British Herbarium," ( M 



beri in A'. Bot.), This ifl the onl\ authority for t hi- splendid and usuallj 



tropica] Lichen being considered a native of Britain. I possess spe< i 



indeed, from the South of 1'Yaihe. The /nut is s<» r.ire that no author 



mom to have been acquainted with it. till I described it from the 



tan individual in that Btate in m\ Herbarium, found in South America, 



