454 IV. Lichencs, 2. discocymaiii. 



composito, crustam plicato-verrucosam determinalam pul- 

 verulentamque mcntiente, cymatiia primnm ocellato-ur- 

 ceolatis cinctura elevata inflexa blastematica redimitis, 

 deiu scutellaribus majusculis discum planum stramineum 

 s, pallide-fuscescentem recludentibus ilexuosis conferti3 

 hasinque blastematicam magis minusve reclinantibus ha- 

 bitumque nounisi patellarem informantibus. 



k. jmllcscens, bl. initiis integris omnibus in cymatia 

 deliquescentibus s. in mesogonidia pallide-niridia fatiscen- 

 tibus, cvmatiorum disco vario. — Lccanora varia Ach. 

 lich. 377. excl. sf/n. ;)?., sijn. 161.,* var. disco carneo 

 Frics schd. cr. n. 16. L, sarcopis Ach. syn. 171. L. cpa- 

 nora Ach. Parmclia varia Ach. mctlu 178., rar. arbo- 

 rca Frics sckd. cr. n. 253. Flor. dan. t. 1317. fcrru- 

 caria varia Hoffm. genn. 196. Patellaria varia Iloffm. 

 pl. lich. t. 23. /. 4. Liehen varius F.hrh. WahUub. lupp. 

 403., suec. 11. 79S. Engl. bot. 1. 1666. L.pallesccns Schrank. 



p, sirifurea, bl. initiis aliis iisque plurimis in meso- 

 gonidia pallide-sulfnrea fatiscentibus, aliis integris inter- 

 spersis iisque nonnisi in cymatia deliquescentibus crustam 

 subeliusampulverulentam sterilem cymatopboramquc prae- 

 stantibds, eymatiis coufertis subconcoloribus scutcllaribus 

 dein cincturam tenucm reclinantibus. — (Bl. sterili,) Le~ 

 pra sulfurca Ehrh. pr. pr. ct uti rcliqua syn. cautissi- 

 me a Patcllaria punctata p. 352. distingucnda. Lcpraria 

 sulphurca Ach. syn. 330. Lcpraria cxpallcns Fries sehd. 

 cr. n. 62. pr. pr. — (bl. fcrtili) Lccanora lutcsccns Ach. 

 lich. 367., syn. 168. excl. syn. pl. L. effusa Ach. syn. 

 159. pr. pr. Lccanora cxpallcns Fr. I. I. n. 104. Ach. 

 syn. 171. Patellaria lutcsccm DC. Purmeliu sulfurco- 

 nigricans Flocrk. P. vuria Murt. crl. 222. (ob cr. pul- 

 verulentam), var. disco lutescente pallido Frics l. I. n. 

 46. f crrucaria viuculiformis iloffm. gcrm. 195. 



Ad arborum plurimarum, Quercuum et Abietum prao- 

 primis corticem, ad asseres vetustos ex iisdcm fabrefactos 

 haud rara. (Forma Parmeliae subfascae primitus in cy- 

 matia loci natalis injuria habitu et colore mutata ex 

 iuitiis periblasteticis Jiypo-raro epiphloeodeis , uisu ad 



