ZOOLOGICAL AND BOTANICAL ASSOCIATION. 273 



34. L.fusco-atra (Ach.), (Leight, L. B. Exs.215 ! 239 !). L.fumosa 

 (Schoer., L. H. Exs. 470). In Herb. Cork Institution ; Miss Hutchins. 

 Specimens, apparently belonging to tbe species, were collected by Mr. 

 Moore in the north of Ireland, but I was unable to make out their 

 spores. . 



35. L. rivulosa (Ach.). Very common on rocks in exposed or ele- 

 vated localities. 



36. L. lenticularis {Ach.). L. chalybeia (Borr.). Common on rocks, 

 whether sandstone or limestone. North of Ireland, in various localities ; 

 Mr. Moore and Admiral Jones. Bare on trees, as on alder at Rostellan, 

 near Cork. 



37. L. premnea (Ach.), (Nyl., L. P. Exs. 67 !). L. abietina (Leight., 

 L. B. Exs. 124 !). On an aged oak, Castlebernard Park, Bandon. 



38. L. abietina (Ach.). L. leucocephala, vars. lecidina et denudata, 

 (Schcer., L. H. Exs. 534 ! 535!). Kerry ; Dr. Taylor in Herb. Moore. 



39. L. albo-aira (Schcer., L. H. Exs. 445 ! Nyl., L. P. Exs. 63 ! 

 Leight., L. B. Exs. 64 !). On trees, frequent 



Var. epipolia (Nyl., L. P. Exs. 64 ! Leight, L.B. Exs. 241 !). On 

 rocks, especially near the sea. 



40. L. disciformis (Fr.). (Nyl., L. P. Exs. 60 ! Leight., L. B. Exs. 

 180 !). L. punctata, a. macrocarpa (Schoer., L. H. 197 ! 7. saprophila, 

 198 ! et $. microcarpa, 199 !). Frequent on trees and rocks. 



41. L. myriocarpa, D. C. L. pinicola (Borr.). Leight, L. B. Exs. 

 63! L. punctata, e. punctiformis (Schcer., L.H.Exs. 200 !) L. myriocarpa 

 (Nyl., L. P. Exs. 61 ! Leight, L. B. Exs. 181 !), (Saxicola). On trunks 

 of aged Conifene ; frequent near Cork. 



42. L. grossa ( Pers. Nyl., L. P. Exs. 66 !). L. leucoplaca (Leight., L. B. 

 Exs. 125 !). On trees near Blarney, Cork ; and at Muckross, Killarney ; 

 several localities in the north of Ireland ; Moore. 



43. L. geographica (ScJwer.). Abundant on rocks in exposed or 

 elevated situations. 



44. L. rupestris (Ach.). Common on rocks and walls. 



Var. calva. L. rupestris, /?. calva (Schcer., L. H. Exs. 221 !). Common 

 on limestone. Nylander makes L. rupestris a var. of Lecanora cerina 

 (Ach.), but I am by no means convinced that he is right 



45. L. Mooreana (n. sp.). Thallus indeterminately spreading, com- 

 posed of greenish -yellow or brown tumid granulations. Apothecia large, 

 tawny -black, with a narrow elevated border. Hypothecium, anarrow black 



