i8 THi: c:k\ pto(;amic i'i.ora of kei.vkdon 



L. tantilla, Nyl. On old rails and oak fences, Kelvedon ; 

 Feerinu;. 



L. parmeliarum, Smrft. On the crust of Lecidea quernea, 

 Dicks. I'vasthorpe. 



L. parasitica, I'l. On Pertusaria communis^ Braxted, 1883. 

 Opegrapha herpetica, Ach. f. vera, Leight. Chelmsford, 

 Mr. Piggott. f. rubella, Pars. On a tree, Rivenhall. f. ru/escens, 

 Pers. On trees, Totham Wood ; Messing. 



O. atra, Pers. On British and other trees and on a wooden 

 barn, Kelvedon ; Fordham. f. denigrata, Ach. On ash-tree, Kel- 

 vedon ; Colne. f. nigrita, Leight. On birch and i\y and old 

 barns, Kelvedon ; Woodham \Valter ; Coggeshall. f. parallela, 

 I-eight. On trees, Kelvedon ; Inworth ; Woodham A\'alter. f. 

 hapalea, Ach. On a tree near Orwell station, f. arthonoidea, 

 Leight. On trees, Kelvedon ; Marks Hall ; Stoke-by-Nayland. 

 O, turneri, Leight. On trees and palings, Colne; Kelvedon. 

 O. saxicola, Ach. Var. cheva/lieri, Leight. On old mortar, 

 Kelvedon. 



O. varia, Pers. f. pulicaris, Lightf. On trees, Kelvedon ; 

 Epping Forest; Dr. Crombie. f notha, Ach. On trees, Kelvedon; 

 Braxted. i. diaphora, Ach. On trees, Braxted; Kelvedon. f. ti- 

 grina, Ach. Kelvedon. f. tridens, Ach. Kelvedon. 



O. vulgata, Ach. f. vulgata, Ach. On elm, ash, yew, Kelve- 

 don ; Braxted ; Messing ; Woodham Walter, f. stetwcarpa, Ach. 

 On old willows, elm, oak. Great Braxted ; Kelvedon. f. suhsiderella, 

 Nyl. On elm, yew, Kelvedon ; Messing. 



O. lyncea, Sm. On old oaks, Kelvedon ; Rivenhall ; Braxted. 

 Stigmatidium crassum, Dub. On hornbeam, Great Braxted ; 

 Epping Forest, 1873. 



Arthonia lurida, Ach. On oak, Halstead. 

 A. vinosa, Leight. On trees, Hickmore Fen Wood ; Pods 

 Wood ; Messing. Var. pinefi, Korb. Kelvedon ; Pods Wood. 

 Wood near Gosfield. 



A, punctiformis, Ach. On oak, Kelvedon; Braxted; In- 

 worth ; ALirks Mall. 



A. astroidea, Ach. On ash, Braxted ; Kelvedon ; Inworth. 

 A. epipasta, Ach. Braxted. 



A. swartziana, Ach. On trees, Kelvedon ; Braxted ; Becking- 

 ham : Pods Wood ; \Vickham ; Great Tey, Peering. 



A. cinnabarina, AN'allr. On trees. \'ar. kermesitia, Nyl. 



