378 THE NATURALIST. 



Lecanora alhella, Tcli. Trees at Malliam ! Var. crenulata, on slate, Gordale, 



Dr. Carrington. 

 L. 2>olytro2Kt, Acli. Rocks on Malhani Moor ! ISTot uncommon in Craven 



generally. 

 L. glaucoma^ Acli. Malham Moor, Dr. Carrington. 

 L. tartarea, Acli. Malliam Moor ! The Cudbear of commerce. 

 Urceolaria calcarea, b. contovta, Malliam, Dr. Carrington. 

 TJ. scruposa, Acli. Walls' and rocks on Malliam Moor ! 



Var. hryophila^ on Malliam ]\Ioor, Dr. Carrington. 

 Gyalecta cupularis, Elu-li. Rocks about Malliam, Dr. Carrington. 



LECIDEACEiE. 



Psora lurida, Swartz. On dead moss in limestone crevices, Gordale ! Dr. 

 Carrington. 



ThalUoldima vesiculare, Hoff. (Lecidea.) Pavements on Malbam Moor ! 

 Crevices of rocks about Malliam Tarn ! 



Leucothecium nigrum, Huds. (Biatoria.) Malliam Moor, Dr. Carrington. 



Baddia carneola, Acli. (Lecidea.) Trees near Jennet's Cave, Dr. Car- 

 rington. 



B. miLscorum, Hook. (Lecidea.) On decayed moss, Malham Moor, Dr. 

 Carrington. 



Bilimhia spliwroides, Sommf. On moss, Malham Moor, Dr. Carrington. 



Lecidea uUgiyiosa, Ach. Malham Moor, Dr. Carrington. 



L. calcivora, Elirli. Rocks and walls aljout ]\Ialham ! 



Buellia saxatiUs, Scli^er. Rocks on IMalham Moor, Dr. Carrington. 



Di2?lotomma calcarea, Weis. (Lecidea calcarea, a. Weissii, Scliaer.^ Slaty 

 rocks, Gordale, Dr. Carrington. 



Melanospora cerehrina, Mudd. ( Opegraplia, D. Q.) Gordale, Dr. Carrington. 



GrAPHIDACEyE. 



Opegraplia saxatilis, D.C. Rocks around Malham Cove, and between 



Malham and Kilnsey ! 

 O. Tuhella, Pers. Trees, Gordale ! Dr. Carrmgton. 

 0. scripta, Ach. /3. pulwrulenta, Pers. Trees about Malham ! 

 Artlionia astroidea, Ach., b. Sicctrtziana. Malham Cove, Dr. Carrington. 



Possibly a form of Opegraplia cdra. See E. Bot., t. 1347. 

 Angiocarpi. 

 Endocarpon minicdum, L. Malham and the neighbourhood ! 



b. complicatum, Swartz. Gordale, Dr. Carrington. 

 E. rufesccns, Ach. CrcAd^es of rocks in the neighbourhood of Malham ! 



