Catalogue of the Flora of Nebraska. 13 
53. B. RussuLa (Ach.) Mont. f. DEaLBaTA Tuckerm. On earth etc. 
Valentine, Harrison (Williams). 
48. CLADONIA Hoffm. 
54. C. Borrytis (Hag.) Hoffm. Rotten Pine log. War Bonnet canon, 
N. W. Nebraska. (Williams). 
55. C. carniosa (Ach.) Spreng. On ground under trees on bluffs and 
in damp places, verycommon. Pine Ridge, Aug.; Dismal River, 
Thomas Co., July (Webber); War Bonnet canon (Williams). 
24, PARMELIACE.E. 
49. URCEOLARIA Ach. 
56. U. scruposa (L.) Nyl. On sandy ground and sandstone, common. 
Pine Ridge, July (Webber). 
50. LECANORA Ach. Tuckerm. 
57, L. BRUNONIS Tuckerm. On sandstone, Ashland. (Williams). 
58. L. G@Laucocarpa (Wahl.) Ach. Onstone,common. Pine Ridge, 
Aug. (Webber). 
59. L. priviana (Ach.) Nyl. On stone. Pine Ridge, Aug. (Webber). 
60. L. scuLeicureri (Ach.) Nyl. On ground, abundant. Pine Ridge, 
Aug. (Webber). 
61. L. varta (Ehrh.) Nyl. var. s#PINCoLa Fr. On bark of pine, com- 
mon. Pine Ridge, Aug. (Webber). On trees, Ashland. (Will- 
jams). 
51. PLACODIUM (DC.) Naeg. & Hepp. 
62. P. ELEGANS (Link.) DC. Onstone. Pine Ridge, Aug. A very 
pretty orange red species, abundant in this region. (Webber). 
63. P. MICROPHYLLINUM Tuckerm. On old bark, Pine Ridge, Aug. 
(Webber). 
€4. P. viTELLINUM (Ehrh.) Naeg. & Hepp. On sandstone. Lincoln, 
Sept. (Webber). 
52. COLLEMA Hoffm., Fr. 
65. C. puLposum (Bernh.) Nyl. On sandstone. Pine Ridge, Aug. 
(Webber). 
58. PELTIGERA (Willd., Hoffm.) Fée. 
66. P. HORIZONTALIS (L.) Hoffm. On ground. Pine Ridge, Aug. 
(Webber.) 
54. PHYSCIA (DC., Fr.) Th. Fr. 
67. P. Hispipa (Schreb., Fr.) Tuckerm. Onstone. Pine Ridge, Aug. 
(W -bber). 
55. PARMELIA (Ach.) De Not. 
68. P. MOLLIUSCULA Ach. On dry sterile soil, abundant. War Bonnet 
Canon, Harrison (Williams), Pine Ridge, Crawford (Webber). 
69. P. rrnracEa (Hoffm.) Floerk. var. susBLezvicata Nyl. On trees. 
Peru, Weeping Water (Williams). 
