306 DK. LINDSAY ON THE LICHEN-FLORA OF GREENLAND. 



Sp. 57. hyperopia, Ach. (= aleurites, Ach.) 



58. *olivacea, L. ; various forms. 



59. *Fahlunensis, Z., and 



var. sciastra, Fi'. 

 — polyschiza, Nyl. 



60. *stygia, L. ; various forms. 



61. alpicola, Th. Fr. (Arct., p. 57.) 



62. *lanata, L. ; fruit abundant. 



63. conspersa, Ehrh. 



64. centrifuga, L. 

 GS. incurva, Pers. 



66. diffusa, Web, (= ambigua, Ach.) 

 Gen. 18. Physda. 



Sp. 67. *pulverulenta, Schreb. 



var. muscigena, Ach. 



68. *stellaris, L. ; various forms. 



69. *csesia, Hffm., and 



var. albinea, Ach. 



70. obscura, Ehrh. 



var. orbicularis, Neck. 



71. lychnea, Ach. (Xanthoria controversa, Mass.f var, 



pygmaea, Bory, Th. Fr., p. 68.) 

 Gen. 19. Umbilicaria. 



Sp. 72. Pennsylvanica, Hffm. 



73. *vellea, L. 



74. *spodochroa, Hffm. 



75. anthracina, Wulf. 



76. *arctica, Ach. 



77. *hyperborea, Ach. 



78. proboscidea, L. 



79. flocculosa, ^(^m. Not cited by Th. Fries, but 



mentioned as occurring in Greenland by Tucker- 

 man (Syn. Lich. New England, 1848, p. 71). 



80. erosa, Web. 



81. polyphylla, L. ; only in one locality. 



82. *cylindrica, L. ; various forms. 



var. Delisei, Despr., is frequent in Greenland 

 according to Dr. Nylander (Scand., p. 117). 



83. hirsuta, Ach. Walker and Mittenf cite this from 



Greenland (Lievely). It is not, however, men- 

 tioned in Th. Fries' '* L. Arctoi " as a Greenland 

 Lichen, and doubtfully as an Arctic-Scandinavian 

 species, or very rare. 

 Gen. 20. Pannaria. 



Sp. 84. *brunnea, Siv., and 



*var. coronata, Hffm. 



85. lepidiota, Th. Fr. (Arct., p. 74), and 



^var. tristis, Th. Fr. 



86. Hookeri, Sm. 



var. macrior, Th. Fr. 



t Journ. Linn. Soc, Botany, vol. v, p. 87. 



