AND ITS NFJGHHOURHOOD. 13 



Placodium murorum, Hffm. On mortared walls and brick 

 walls, Kelvedon ; Colne ; Feering ; Misdey. f. lobulatum, Smrft. 

 On stone, Chelmsford. 



P. decipiens, Am. On walls, Kelvedon ; Mistley. On flint 

 wall, Thetford, in small round spots. 



P. callopismum, Ach. f. plicatum, Wedd. Mortared walls, 

 brick walls, and sandstone, Kelvedon ; Coggeshall. 



P. miniatum, Hffm. f. obliteratum, Pers. On limestone, 

 Coggeshall. 



P. citrinum, Ach. Trees, palings, brick walls, and mortared 

 walls, Halstead Kelvedon ; Feering ; Braxted. 



P. chalybaeum, Duf. Limestone, Coggeshall. 



Lecanora vitellina, Ach. Old palings and walls, Kelvedon. 

 Var. coruscans, Ach. Palings, Kelvedon. Var. €pixa?itha, Nyl. 

 Kelvedon. 



L. candelaria, Ach. On willow and horse-chestnut, on palings 

 and old boarded barns, Kelvedon ; Great Tey ; Lyston. f. granu- 

 losa, Leight. On paling, Great Tey. 



L. glaucocarpa, Whlnb. {. pruinosa, Sm. Great Coggeshall ; 

 on limestone, T. B. Hall. 



L. squamulosa, Schrad. Sandstone, Feering, 1881. 



L. fuscata, Schrad. Sandstone, Feering ; Kelvedon. 



L. sarcopsis, Whlnb. Kelvedon. 



L. varia, Ehrb. Old palings, Kelvedon; Great Tey; tree, 

 Braxted. 



L. atra, Huds. On old walls, abundant, Kelvedon. f. corticola, 

 Larbal. On trees, Messing ; Kelvedon. 



L. circinata, Pers. On limestone, Coggeshall. 



L. sulphurea, Hffm. Old walls, Kelvedon ; Great Tey ; Chip- 

 ping Hill. Variable as to colour. 



L. symmicta, Ach. On palings, old posts, and rails, Kelvedon; 

 Feering ; Pods Wood ; Coggeshall. Var. aitema, Ach. Kelvedon. 



L. expallens, Ach. On palings, Kelvedon. Var. /3. Ach. 

 {orosthea, Sm.) Trunk of horse-chestnut, Kelvedon. 



L. subfusca, L. On trees, Gosfield. f. alhphana, Ach. Trees, 

 Rivenhall ; Kelvedon ; Messing, f. parisiensis, Nyl. Kelvedon. 

 f. rugosa, Pers. Kelvedon. f. argentata, Ach. On trees and brick 

 walls, Kelvedon ; Wivenhoe ; Coggeshall ; Totham. f. contufnesceiis, 

 Rob. Upper branches of trees, Kelvedon. f. atrynea, Ach. Brick 

 walls, palings, ash-tree, sandstone, Braxted ; Kelvedon ; Feering ; 



