V. Defcriptions of ten ei Lichen colleëted in the South of Europe. 
By Tames Edward Smith, M.D. F.R.S. Prefident of the Linean. 
Society. ; 
Read November 4, 1788. 
I. LicHen exanthematicus. /. 4. f. I. 
I Leprofus cinereus, fcutellis minutiffimis carneis immerfis in 
cruftæ foveolis albis. Confer Lichenem 2077, 2078, Hall. Hifi. 
Habitat in rupibus calcareis Galli; auftralis, non longe ab 
Avenione. 
Crufta tenuiffima, vix palpabilis, cinerea, adfperfa punctis 
albis, e foveolis parvis, integumento albo, rugofo, claufis, quo 
poftea e centro fe difpandente, ícutella prodit exigua, carnea, 
"proprio margine concolori inflructa, in centro foveolæ re- 
condita. His fcutellis atate diffilientibus, foveole reftant 
alba, vacuæ, et quafi ipfo lapide excavate, ut in L. immerfa 
Weber. 
2. L. gypfaceus. 7. 4. f. 2. 
L. cruftaceus lobatus; interne albus; fuperficie virenti, fcutellis 
difformibus flavefcentibus. | 
L. fragilis. Scop. Carn. No. 1402, ut ex defcriptione patet, 
exclufo fynonymo Seguieri. : 
L. pulmonarius, faxatilis, farinaceus, major, foliis craflis fubro- 
tundis, e cinereo virefcentibus, inferne albis, receptaculis florum 
fubrufis. Mich. Nov. Gen. Plant. 94, t. 51. ord. 30. f. 1. 
M Habitat 
