3£>0 IV. Lichenes, 2- cliscocymo.Cn. 



pius basi blastematica substrata Parmeliae notam men- 

 tiuntur, mox tamen marginem circumducunt et lenticu- 

 lai'ia deplanantur rel convexa evadunt.) 



fft erythr ophaenae , spcircmadochio rubescente. 



852. P. tcicholyi a W. 9 blastemate-thallode arcte 

 adnato supra facile incuso albo-cinerascente, phyllis ca- 

 tophliis liuearibus connatis , centralibus in chnaumata 

 concolora resolutis, periphericis plicato-radiosis figuratis 

 crustam orbiculatam contiguam granoso-pulverulentam 

 tenuem saepins evanesccntem mentientibus, raro fertili-' 

 bus, cymatiis sparsis primnm umbilicatis sessilibus spei- 

 remadochium planum laxum rubro- aurantium margine 

 elevato dilutiore cinctum recludentibus basinque blaste- 

 maticam reclinantibus. — Patellaria tcicholyta IVallr. 

 Naturg. II. 119. 



a. blastematica, bl. orbiculato figurato, raro integro 

 cymatophoro , cymatiis cincturam bl. tersam tenuem 

 chnaumaticamque demum reclinantibus. — Lecanora tei- 

 cholyta Ach. lich. 425., syn. 1S8. Parmclia arenaria 

 Mart. erl. 219. Placodium versicolor DC. gall. II. 380. 

 excl. syn. Pl. teicholytum DC. gall. VI. 185. 



/9. chnaumatica , plvyllis omnibns eorumque initiis in 

 chnaumata resolutis eiFusis crustam granoso-pulverulen- 

 tam inconditam sterilem mentientibus. — Variolaria 

 coerulcscens Pers. in act. wetterav. Ach. syn. 335. 



y. eblastematica, cymatiis sive primitus sive deiuceps 

 blastemate destitutis patellaribus. — Lccidca arcnaria 

 Schacr. Patellayia lamprochcilca DC. gall. II. 357. Le- 

 canora craspedia /?. arcnaria Ach. lich. 392. Lecidea 

 cacsio-rufa /5. fcstiva Ach. syn. 44. Vcrrucaria arcnaria 

 Hoffm. germ. 178. Lichcn arcnarius Pers. in Uster. 

 Ann. VII. 27. 



Ad saxa aVenaria, calcaria et ov/Lt^y.ru, tum dispersa 

 tum ad moenia construenda adhibita, adtectorum luteres, 

 agri berolin. (Flocrk.), halens* et thuring» aliisque Ger- 

 man. locis (JVallr.) passim, rarissime tamen integra, fre- 

 quentius chnaumatica et eblastematica (Pcrs., Hoffm.). 



