PLATE SEVEN. 



Fig. 54. Vaccinium caespitosum Michx., from Mount Massive (12,000 feet altitude); natural size. 



55. Leaf of same species; natural size. 



56. Leaf of Vaccinium Myrtilluslj. var. microphylla Hook., from Thompsons Canyon on Longs Peak (10,500 feet 



altitude); natural size. 



57. Leaf of same; natural size. 



58. Leaf of same species, but the typical, from Silverplume (10,000 feet altitude); natural size. 



59. Juncus Parriji Engem., from headwaters of Clear Creek (12,000 feet altitude); natural size. 



60. Carex chalciolepis nob., from James Peak (13,000 feet altitude); natural size. 



61. Scale of pistillate of same; enlarged. 



62. Utriculus of same; enlarged. 



63. Carex atrata L., from Grays Peak (12,500 feet altitude); natural size. 



64. Same species; scale of pistillate flower; enlarged. 



65. Same species; Utriculus; enlarged. 



66. Carex capillaris L., from Thompsons Canyon on Longs Peak (10,500 feet altitude); natural size 



67. Poa Lettermanni Vas., from Pikes Peak (14,000 feet altitude); natural size. 



68. Same specimen; a spikelet; enlarged. 



69. Same specimen; the flowering glumes; enlarged. 



70. Same specimen; palet, lodiculae and pistil; enlarged. 



71. Festuca ovina L. var. supina Hack., from Pikes Peak (14.000 feet altitude); natural size. 



72. Same specimen; a spikelet; enlarged. 



73. Same specimen; the flowering glume; enlarged. 



74. Same specimen; the palet; enlarged 



