LXIV SESSION EXTRAORDINAIRE EN CORSE, MAI-JUIN 1901. 
31. Pannaria immixta Nyl. ibid. n. 1061. 
32. P. luridula Nyl. ibid. n. 1062. 
33. P. imbricata Nyl. ibid. 1063. 
34. P. obscurior Nyl. ibid. n. 1068. 
35. P. asperella (Hampe) Nyl. ibid. n. 1070. 
36. P. elæina (Wahl.) Nyl. ibid. n. 1071. 
37. P. superior Nyl. ibid. n. 1072. 
38. P. deficiens Nyl .Lich. Lapp. orient, n. 124. 
39. P. furfurascens Nyl. m Flora 1873, p. 17. 
40. P. melanotrichâ Mull. Arg. Lich. Beitr. n. 938. 
41. P. myriobola Mull. Arg. Analecta Australiensia, p. 6. 
42. P. proliféra Mull. Arg. Lich. Beitr. n. 417. 
43. P. cæruleonigricans Mull. Ar g . Lich. Beitr. n. 317. 
44. P. imbricatula Mull. Arg. Lich. Beitr. n. 318. 
45. P. perfossa Stirton, Mull. Arg. Consp. Lich. Nov. Zeland. p. 43. 
46. P. macrocarpa Mull. Arg. Lich. exot. n.4. 
47. P. nigrata Mull. Arg. Analect. Austral, p. 5. 
48. P. obscura Mull. Arg. ibid. p. 5. 
49. P. ænea Mull. Arg. ibid. p. 6. 
50. P. pycnopiiora Mull. Arg. Conspect. Lich. Nov. Zeland. p. 43; Leio- 
derma pyenophorum Nyl. apud Hue Lich. exot. n. 1100. 
51. P. su bimmixta Knight, Mull. Arg. Consp. Lich. Nov. Zeland. p. 43 ; 
P. holospoda Nyl. apud Hue Lich. exot. n. 1065. 
52. P. crustata Stirtou, Mull. Arg. Consp. Lich. Nov. Zeland. p. 43. 
53. P. dichroa (Hook. fil. et Tayl.) Mull. Arg. Lich. Beitr. n. 1397; P. pla- 
codiopsis Nyl. apud Hue Lich. exot. n. 1067. 
54. P. melampiiylla Tuck. Synops. North Americ. Lich. I, p. 123. 
55. P. glaucf.lla Tuck. Synops. North Americ. Lich. II, p. 144. 
56. P. symptychia Tuck. ibid. p. 144. 
57. P. austriaca Zahlbruck. in Annal, naturhistor. Hofmuseum. t. VIH, 
p. 438 et Taf. 
58. P. Waghornei Eckfeldt Enum. of Newfond. and Labrad. Lich. 1895, 
p. 216, Arnold Labrador, p. 7. 
59. P. elatior Stirton apud Bailey in Queensl. agricult. Journ. V, 1899, 
p. 486. 
60. P. terrestris Stirton, Ibid. 
3. — PANNULARIA. 
[.61. P. rubiginascens Nyl. apud Hue Lich. exot. n. 1073. 
62. I J . interfixa Nyl. ibid. n. 1076. 
63. P. nigrocinerea Nyl. ibid. n. 1081. 
64. P. amphibela Nyl. ibid. n. 1082. 
65. P. Gymnocheila Nyl. ibid. n. 1083. 
66. P. stellata (Tuck.) Nyl. ibid. n. 1085. 
67. P. asterella Nyl. ibid. n. 1086. 
