18 THE CRYPTOGAMIC FLORA OF KELVEDON
L. tantilla, Nyl. On old rails and oak fences, Kelvedon ;
Feering.
L. parmeliarum, Smrft. On the crust of Lecidea quernea,
Dicks. Easthorpe.
L. parasitica, Fl. On Pertusaria communis, Braxted, 1883.
Opegrapha herpetica, Ach. f. vera, Leight. Chelmsford,
Mr. Piggott. f. rubella, Pers. On a tree, Rivenhall. f. rufescens,
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 ivy and old
barns, Kelvedon ; Woodham Walter; Coggeshall. f. parallela,
Leight. On trees, Kelvedon ; Inworth ; Woodham Walter. 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. chevallieri, 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. f. 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. stenocarpa, Ach.
On old willows, elm, oak, Great Braxted ; Kelvedon. f. subsiderella,
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. pineti, Korb. Kelvedon ; Pods Wood.
Wood near Gosfield.
A. punctiformis, Ach. On oak, Kelvedon; Braxted; In-
worth ; Marks Hall.
A. astroidea, Ach. On ash, Braxted ; Kelvedon ; Inworth.
A. epipasta, Ach. Braxted.
A. swartziana, Ach. On trees, Kelvedon ; Braxted ; Becking-
ham ; Pods Wood ; Wickham ; Great Tey, Feering.
A. cinnabarina, Wallr. On trees. Var. kermesina, Nyl.