Catalogue of lite Flora of Nebraska. 13 



53. B. RU88ULA (Ach.) Mont. f. dealbata Tuckerm. On earth etc. 

 Valentine, Harrison (Williams). 



48. CLADONIA Iloffm. 



54. 0. BOTRYTI8 (Hag.) Iloffm. Rotten Piin- log. War Bonnet cauon, 

 N. W. Nebraska. (Williams). 



55. C. cakiosa (Ach.) Spreug. On ground under trees <>n bluffs and 

 in (lamp places, very common. Pine Ridge, Aug.; Dismal River. 

 Thomas Co., July (Webber); War Bounet canon (Williams). 



24. PARMELIACK.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. bruxoxis Tuckerm. On sandstone, Ashland. (Williams). 



58. L. glaucocarpa (Wahl.) Ach. On stone, common. Pine Ridge, 

 Aug. (Webber). 



59. L. PRIVJGNA (Ach.) Nyl. On stone. Piue Ridge, Aug. (Webber). 



60. L. schleicheri (Ach.) Nyl. On ground, abundant. Pine Ridge, 

 Aug. (Webber). 



61. L. varia (Ehrh.) Nyl. var. s.kpixcola Fr. On bark of pine, com- 

 mon. Pine Ridge, Aug. (Webber). On trees, Ashland. (Will- 

 iams). 



51. PLACODIUM (DC.) Naeg. & Hepp. 



62. P. elkgans (Link.) D C. On stone. Pine Ridge, Aug. A very 

 pretty orange red species, abundant in this region. (Webber). 



63. P. micropblyllinum Tuckerm. On old bark, Pine Ridge, Aug. 



(Webber). 



64. P. vitellinum (Ehrh.) Naeg. & Hepp. On sandstone. Lincoln, 

 Sept. (Webber). 



52. COLLEMA Hoffin., Fr. 



65. C. PULP08UM (Benin.) Nyl. On sandstone. Pine Ridge, Aug. 

 (Webber). 



53. PELTIGERA (Willd., Hoffin.) Fee. 



66. P. HORIZONTALS (L.) Iloffm. On ground. Pine Ridge, Aug. 

 (Webber.) 



54. PI1YSC1A (DC, Fr.) Th. Fr. 



67. P. hispida (Schreb., Fr.) Tuckerm. On stone. Pine Ridge, Aug. 



(Webber). 



55. PARMELIA (Ach.) De Not. 



68. P. M0LLIU8CDLA Ach. On dry sterile soil, abundant. War Bonnet 

 Canon. Harrison (Williams), Pine Ridge, Crawford (Webber). 



CO. P. in. [ACTA I Hoffm.) Floerk. var. suit: i.vio \ r\ Nyl. On trees. 

 Peru, Weeping Water (Williams). 



