55 



4. Pennsylvanica, Hoffm. 



5. Muhlenbergii, (Ach.) * 



6. erosa, (VVeb.) Hoffm. 



7. proboscidea* (L.) Fr. . 

 ft. tornata, Ach. 



y. arctica, Ach. 



8. vellea, (L.) Fr. 



9. depressa, Schror. (U. veiled, var. Fr.) 



10. hirsuta, (Ach.) Stenh. (U. velleae, var. Fr.) 



XIX. OPEGRAPHA, Humb. Apoth. lirellseformia, excipulo proprio 

 subcarbonaceo (atro) Hbero, primitus conniventi-clauso, rima 

 longitudinal! dein aperta, disco canaliculato. Thallus crusta- 

 ceus. 



1. varia, Pers. 



. pulicaris, Fr. (O. vulvella, &c., Ach.) 

 ft. notha, Fr. (O. notha, Ach.) 

 y. signata, Fr. (O. signata, Ach.) 

 . diaphora, Fr. (O. diaphora, Ach.) 



2. aha, Pers. 



. Btenocarpa, Fr. (O. stenocarpa, denigrata, & vulgata, Ach.) 

 p>. abbreviata, Fl. (O. depressa, pedonta, &c., Arh.) 

 y. macularis, Fr. (O. radiata, Pers., Arthonia astroidea, Ach.) 

 *. siderella, Fr. (O. siderella, &c , Ach.) 



3. herpetica, Ach. 



4. scripta, (L.) Ach. 



. pulverulenta, (Fr.) (O. pulverulenta, Ach.) 

 ft. recta, Fr. (O. cerasi, betuligna, &c., Pers.) 

 y. serpentine, Fr. (Opegrapha, Ach.) 



XX. LECANACTIS, Eschw. Apoth. difformia, elongatave, excipulo 

 proprio carbonaceo (atro) semper aperto cum thallo connate; 

 disco plnniusculo pruinoso-velato. Thallus crustaceus. 



* CONIANGIUM, Fr. Apoth. adpressa, difformia, suboblonga, immar- 



ginata, lamina persistente sporos coloratos obtegente. Thallus 

 crustaceus. Genus atypicum. 



* CONIOCARPON, Dec. Schser. Apoth. adpressa, difformia, lirellse- 



formiave, lamina rumpente in soros spororum coloratorum fatis- 

 centia. Genus forsan spurium. 



Trib. IV. CALlCI^CEjE, Fr. Discus globosus aut orbicularis, in 

 sporidia nuda collabens, excipulo proprio. 



XXI. CONIOCYBE, Ach. Apoth. spheerica, stipitata, immarginata, 

 e vertice fatiscentia, excipulo suberoso. 



XXII. CALICIUM, Pers. Ach. Apoth. crateriformia, excipulo pro- 

 prio carbonaceo marginata, disco in" sporidia nuda collapso. 



1. lenticulare, (Hoffm.) Ach. 



2. subtile, Pers. Fr. 



3. trachelinum, Ach. 



4. melanophfRum, Ach. Fr. 



5. phfRocephalunij Turn. & Borr. 

 ft. trabinellum, Fr. 



6. roscidum, Floerk. 



7. tigillare, (Ach.) Turn. & Borr. 



