158 MARTINDALE : LICHENS OF WESTMORLAND. 



Perhaps, as an imperfect plant, this and Leproloma lanu- 

 ginosum ought to be relegated to an appendix ; but there 

 can hardly be a doubt that L. xatitholyta is a state of some 

 Lecanora. 



I). Group of Z, cerina (Callopisma). 



178. Lecanora citrina (Hoifm. Flora Germ., ii, p. 198); Ach., 



Syn., p. 176; Placodium Nyl., Scand., p. 136; Leighton, 

 Lich. Floja, 3rd ed., p. 163. 

 On limestone walls and on mortar. Milnthorpe, Kendal, etc. 



179. Lecanora flavocitrina Nyl, Flora, 1886, p. 461; 'The 



Naturalist,' 1886, p. 374. 

 On walls of clay slate at Staveley and at Crosthwaite. 



180. Lecanora aurantiaca (Ach., Prod., p. 44; Meth., p. 69; 



Lich. Un., p. 204; Syn., p. 50). Nyl., Scand., p. 142 pro 



parte ; Leighton, Lich. Flora, 3rd ed., p. 206 — only as regards 



var. salicina. L. salicina (Ach., Prod., p. 43 ; Meth., p. 173) 



ejusdem Lich. Un., p. 400; Syn., p. 175. 



Not very common. On ash-tree roots, Beathwaite Green, 



in Levens Park and in Lowther Park \ the plants from these 



places are the ioxxw Lecanora salicina. On trees near Kendal; 



this is the form Lecidea aurantiaca of Ach., Meth., etc. 



181. Lecanora crenulatella Nyl. in Flora, 1886, p. 462; vide 



' The Naturalist,' 18S6, p. 374. 

 On limestone at Sandside. 



182. Lecanora erythrella (.-Vch., Prod., p. 43, Meth., p. 174); 



ejusdem, Lich. Un., p. 401 ; Syn., p. 175 ; L. aurantiaca v. 

 erythrella Nyl., Scand., p. 142 ; Leighton, Lich. Flora, 

 3rd ed., p. 207 \ Callopisma Jlavovirescens (Wulf.) ; Arn., 

 Lich. Frank. Jura, p. 85. 

 On sandstone near Cliburn ; near Tirrill ; and at Shap. 

 On limestone near Brigsteer. 



Wulfen's name Jlavovirescens., if it really belong to this 

 plant, is older than that given by Acharius. 



183. Lecanora ferruginea (Huds., Flora Angl., ed. i, p. 440, 



ed. ii, p. 526); Nyl., Scand., p. 143 pro parte ; Leighton, 



Lich. Flora, 3rd ed., p. 208, excl. vars. scotoJ>laca, concilians, 



2Sii\fusco-aira. L. crenularius With., Arr., 3rd ed., iv, p. 32. 



The corticolous or typical form I only remember to have 



once seen in Levens Park, but the saxicolous states are 



common on the sandstone and slate. Most of them belong 



to the vdiX. /estiva of Nyl. Of this variety I have gathered the 



