362 KECKNT ADDITIONS TO THE BRITISH LICU E.V-ILOUA. 



52. L. lii^escens, Leight, 1. c, sp. n. — On mountain rocks with the 

 precedinp: (Larbnlcstier). Very rare. 



53. L. ti/te-icens, Leight., 1. c, p. 79, sp. n. — On rocks. Salrock 

 Road, Conneniara (Larbalostier). Extremely rare. 



54. Z. tenehrans, Nyl. in Flora, 187(5, p. 309, sp.n. — On subalpino 

 micaceous rocks. Summit of Doughruagh (Larbalestier). Rare. 



55. L. suhnnho7iata, ±^yl., 1. c, p. 236, sp. n. — On moist rocks. 

 Dawros River (Larbalestier) and elsewhere in the neighbourhood of 

 Kylomore. 



56. L. grisella, f. meiosporiza, Nyl. in Flora, 1876, p. 239. — On 

 rocks and boulders. Morrone, Eraetnar (Crombie) ; near Kylemore 

 (Larbalestier). 



57. L. 2)C(latula, Nyl., 1. c., p. 236, sp. n. — On rocks. Kylemore 

 (Larbalestier). Very rare; associated -with Sirosiphon saxicola, 

 Naeg. 



58. L. aivenula, Leight. in Linn. Trans. Bot.,"ser. 2, 1., p. 146, 

 sp. n. — Parasitic on thallus of Pertmaria sulphnrca. On rocks. Llan- 

 bedrog, near Pwllheli, N.Wales (Leighton) ; Letter, Gal way (Lar- 

 balestier). 



59. L. imrellaria, Xyl. in Flora, 1876, p. 239. — Parasitic on 

 thallus of Leeanora parella. On shady rocks. Doughruagh mountain, 

 Gal way (Larbalestier). 



60. L. Zicackhii, Mass. — Parasitic on the thallus oi Pertusariei. 

 Chedworth Woods, Gloucestershire (W. Joshua). 



61. Odontotrema majiis, Leight. — On old pales. Oakley Park, 

 Cirencester (W. Joshua). 



62. Arthotiia dendritica (Leight in Journ. Bot., 1875, p. 257, ut 

 Stigmatidiiim). — On rocks. TuUy, Doughruagh, Ga'.way (Larbales- 

 tier). Very rare. 



63. A. hibernica, Nyl. in Flora, 1876, p. 237. — On the smooth 

 bark of trees. Near Kylemore (Larbalestier). Perhaps only a sub- 

 species of A . excipienda. 



64. A. sapineti, Nyl., I.e., p. 239. — On Holly. Near Kylemore 

 (Larbalestier). Rare. 



65. A. cmnaharina, f. cuspidans, Nyl. — On trees. Doughruagh 

 (Larbalestier). Rare. 



66. Opegrapha areniseda, Nyl. in Flora, 1875, p. 447, sp. u.— On 

 fine maritime sand. St. John's, Jersey (Larbalestier). 



67. Graplus petrina, Nyl. in Flora, 1876, p. 310., sp.n.— On 

 moist schistose rocks. Base of Letter Hill, Galway (Larbalestier). 

 Very rare. 



68. Xylograplia flexella (Ach.). — On decorticated stumps. Near 

 Cirencester (W. Joshua). 



69. Verrucaria affinis (Mass.). — On Holly. About Kylemore in 

 various places (Larbalestier). 



70. V. aquilella, Nyl. in Flora, 1876, p. 237, sp. n. — On micaceous 

 rocks. Lough Inagh, Galway (Larbalestier). Rare. 



71. V. saxicola, Mass.— On calcareous walls. Sapperton, Glou- 

 cestershire (W. Joshua). 



72. V. myriocarpa, Hepp.— On moist rocks. Lough Inagh (Lar- 

 balestier). Rare. 



