LICHENES. 267 



Hill in the parish of Polwarth, in profusion, R. D. Thomson. The 

 variety chalybeiformis occurs abundantly on rocks on Dulaw moor ; 

 and on wall tops near Penmanshiel, J. Hardy. N. On Cheviot. 



41. CoRNicuLARiA ACULEATA. Common On our elevated moors. 



42. C. TRisTis. N. On rocks near the summit of Hedge-hope, 

 and on Cheviot. 



43. C. LANATA. N. On Cheviot, Bot. G. North, ii. p. 63 *. 



44. Sph^rophoron CORALLOIDES, — a. and /3. On moss-grovra 

 rocks in deans and moors. Reedy-burn dean; on the Twinlaw Cairns, 

 J. Hardy. N. On Cheviot. 



45. Stereocaulon paschale. The Lammermuirs. On an 

 old road near the Little Blake-law, abundant, J. Hardy. 



46. Cladonia uncialis. On moors, frequent. 



47. C. rangiferina. On moors, abundant. See Linn. Fl. 

 Lapp. p. 346. 



48. C. GRACILIS. On moors, frequent. 



49. ScYPHOPHORTJS PYXiDATUs. On bauks and in muirs, 

 common. 



50. S. FiMBRiATUS. Heaths, frequent. 



51. S. DIGIT ATUS. In woods at the root of old trees, not 

 common. 



52. S. cocciferus. On moors, common. 



53. S. BELLiDiFLORUS. N. On Cheviot. 



54. IsiDiUM CORALLINUM. On rocks in deans and on moors, 

 not common. 



55. LiCHiNA PYGM^A. On rocks at and above high-water mark, 

 common. 



56. L. coNFiNis. Probably a variety of the preceding, and 

 affecting similar habitats. 



57. B^OMYCES RUFUS. On gravelly banks in heathy places, not 

 unfrequent. 



58. B. ROSEUS. Abundant on Penmanshiel moor, J. Hardy. 



59. Calicitjm sPHJiROCEPHALUM. On the bark of trees about 

 Stitchel House, Rev. Thos. Brown. 



60. Arthonia swartziana. On the bark of the Ash and Elm, 

 occasionally. — Mr. Borrer considers Arth. astroidea "too nearly 

 allied to this;" and I have already expressed the same suspicion. 

 Fl. Berw. ii. p. 101. 



61 . Opegrapha notha. On the bark of the Ash, not common. 



* Corniculai'ia pubescens.— N. On Cheviot, Bot. G. North, ii. p. 63, 

 The species is a spurious one. See Hooker, Br, Fl. i. p. 229. 



