ioi4 APPENDIX. 



Arthowia castanea Chevall. in joarn. phys. 7822. fl. par. i. p. 54î. — Ad 



trnncos juvenes Castaneœ. 

 Arthowia macularis Chevall. 1. c. anAch.? — Ad trnncos Aceris. 

 Arthonia diluta Chev. 1. c. — Ad trnncos javenes Fraxini. 

 Arthonia pltjmbea Chev. 1. c. — Ad corlicem javeniura arboram. 

 Arthonia cerasista Chevall. 1. c. — A.d trnncos Cerasi. 

 Arthonia lineola Chevall. 1. c. £1. par. r. p. 542. — Ad ramos Qaercûs. 

 Arthonia gelatinosa Chev. 1. c. — Ad corticem Alni et Sorbi. 

 Arthonia immersa Chev. 1. c. — Ad cortices. 



Arthonia QuERCicor.A, Chev. 1. c. p. 544- — Ad rainos jnaiornni Qaercnnra. 

 Opegrapha pellicula L. Duf. in jonrn. phys. t. 87. p. 211. — In cortice lee- 



vinsculâ arborum circà Lutetiam. 

 Opegrapha illecebrosa L. Dnf. 1. c. — In ramis trnncornm annosarum Qner- 



cnnm in Gallià anstrali. 

 Opegrapha pcnctulata L. Dnf. 1. c. — In cortice Qnercûs Galliae raeridionalis. 

 Opegrapha difficilis L. Duf. I. c. — In ligno patrescentc Salicis ad Parisios. 

 Opegrapha acervulata L. Duf. 1. c. — Ad corticem laevigatara Quercùs ad 



St.-Sever. 

 Opegrapha Cortli Chevall. journ. de phys. 1822. fl. par. i. p. Sai. — Ad 



trnncnni Coryli. 

 Opegrapha tiliacea Chevall. 1. c. — Ad juvenes trnncos Tiliae. 

 Opegrapha gigantea Chevall. fl. par. 1. c. p. Saî. — Ad truncos Qaercûs. 

 Opegrapha stipata Chev. 1. c. — Ad truncam Jagiandis. 

 Opegrapha gibba Chevall. journ. phys. 1822. fl. par. 1. c. — Ad trancani 



Fraxini. 

 Opegrapha crdstacea Chev. 11. ce. — Ad truncum Carpini. 

 Opegrapha punctiformis Chev. fl. par. i. p. 524. — Ad corticem laevigatain 



Qaercûs. 

 Opegrapha mutabilis Chev. 1. c. — Ad truncos vetustos. 

 Opegrapha implexa Chev. 1. c. — Ad trnncos juvenes. 

 Opegrapha approximata Chevall. 1. c. — Cnm priori. 

 Opegrapha asteroma Chev. 1. c. — Ad truncos vetnstos denudatos. 

 Opegrapha cinerea Chev. 1. c. — Ad truncos Carpini et Mespili. 

 Opegrapha minuta Chev. 1. c. par. 532. — Ad truncum Salicis. 

 OPEGRAPfiA ULMARiA Chev. 1. C. — Ad juvenes trnncos Ulmi. 

 Opegrapha pdlicaria Chev. 1. c. — Ad corticem laevigatam Ulmi. 

 Opegrapha spuria Chev. 1. c. — Ad rimas vetustorum truncorum; 

 Opegrapha perturbata Chev. 1. c. — Ad aridas cortices. 

 Opegrapha diffusa Chev. l. c. — Ad truncos. 

 Opegrapha cana Chev. 1. c. — Ad corticem lœvigatam ^scnli. 

 Opegrapha lichenoides Chev. 1. c. non Pers. — Ad truncos. 

 Opegrapha gi.aucoma Chevall. 1. c. 53y. — Ad corticem Fraxini. 



Pyrenula composita Ach. syn. 124. — In Galliâ ad corlicem arboram laevi- 

 gatam. 



Pyrencla piNGuis Chevall. hist. verr. icon. fl. par. i. p. 5i8 au Fée. Spreng. 

 syst. 4. p. 245. — Ad corticem Tiliae , Fraxini. 



Verrucaria latehitia Pers. in act. soc. wett. t. 2. Ach. syu. 96. — In Galliâ 

 snprà terram limosam. 



