(pallescens) I. DISCOIDEI. 7. LECANORINI. 79 



b. lactea \ apotheciis in soredia hemisphaBi-ica , im- 

 marginala, albissima, granulato-pulverulenta transformatis. — 

 Ad saxa vulcanica circa Agde ad mare mediterr. Schaer. 



c. isidioidea^ thallo areolato-verrucoso , corpusculis 

 cylindriciis apice fuscatis distincto. — Ad saxa granitica 

 vetustate soluta. Exs. 571. In valle d^Arles. Schaer. 



^. itpsaliensis (Lich. upsaliensis Linn. spec. 1609) ; 

 thallo membranaceo-verruculoso ; apotheciis concavis , tan- 

 dem planis , albido-pruinosis. Spic. 399. Exs. 316. 

 Patell. ups. HofFm. pl. lich. t. 21. f. 3. — Ad gramina 

 destructa in alpibus , praesertim calcariis , ab Helvetia ad 

 Norvegiam Huben l 



y. tumidula (Lich. tumidulus Pers. in Ust. Ann. d. 

 B. XI. 18) ; thallo membranaceo , rimuloso-vorruculoso ; 

 npotheciis plauis, tandem tumidulis, aibido-tostaceis, juniori- 

 bus albido-pruinosis , limbo extenuato. Parm. parella ot. 

 pallescens c, corticola. Spic. 399. Exs. 317. Lich. 

 pallesce ns Wulf. in Jacq. coll. III. t. 5. f. 3. a. a. — 

 Ad arbornm truncos locis apertis in regionibus campostribus, 

 montanis et alpinis. 



<r. albo-flavescens (Lich. albo-flavescens Wulf. in 

 Jacq. coll. III. 111. t. 5. f. 1); thallo membranacoo, 

 rimuloso-verrucoso , verrucis in lepram concolorem effloros- 

 centibus ; apotheciis concavis, dein planis, disco pruinoso, 

 tandem nudo , e carneo teslaceo , limbo crasso , saepo in- 

 flexo. Parm. parella /3. albo-flavescons Spic. 399. 

 Exs. 318. — Ad Abieteg in alpibns helvet. Schaer :, ad 

 Fagos circa Vire Peltett Lecan. Turneri, coll. Salwl 



b. sorediata ; verrucis thallodeis in soredia minuta, 

 discoidea , granulata et marginata transformalis. 



46. Lecanora tartarea (Lich. tartareus Linn. 

 spec. 1608). Thallns albo-glaucescens , membranaceo- 

 cartilagineus , areolato-tuberculosus ; tuberculis tartareis. 

 Apothecia sessilia ; disco , testaceo , nudo ; limbo crasso , 

 tandem extennato. Parm. parolla y. tartarea Spic. 400. 



ce. saxorum (Lich. saxorum Milller in FI. Dan. IV. 

 t. 712. f. 1); thallo crasso, tuberculis dense conglomera- 

 tis ; apolheciis amplis , disco concavo vel plano , limbo 

 crasso, inilexo. Parm. parell. y. tartarea a. «axorum. 



