98 KANSAS ACADEMY OF SCIENCE. 



108. T. ambigua Vasey. 



109. T. strieta Vasey. 



110. T. acuminata Vasey. 



111. T. purpurea Yasey; Sand grass. 



38. Kedfieldia Vasey. 



a. Culms flexuous, leaves rigid, panicles lax 112 



112. Redfieldia flexuosa Vasey. 



39. DiPLAOHNE Beauv. 



a. Panicle 6-10 inches long, with 15-30 branches, flowering throughout 113 



a. Panicle erect, stifT, 1-2 feet long, with numerous spreading spike-like branches 114 



113. Diplachne fascicularis Beauv.; Spike grass. 



114. D. rigida Vasey; Spike grass. 



40. Ekagbostis Beauv. 



a. Stems erect or diffusely spreading and ascending (6). 



a. Prostrate and creeping, spikelets clustered, linear lanceolate, 10-30-flowered 115 



h. Culms branching and decumbent or spreading at base, panicle narrow (c). 



h. Culms simple or branching only at base, rigid, erect, panicle very large (/). 

 c. Spikelets mostly large, 4-'J lines long, 10-20-flowered (d). 

 c. Spikelets moslly small, 1-4^ lines long, 2-18-flowered (e). 



d. Panicle oblong or pyramidal, full-flowered, spikelets oblong or lanceolate, 3-6 lines long 116 



d. Panicle 4-6 inches high, narrow, spikelets 4-9 lines long, leaves becoming involute 120 



e. Spikelets 5-r2-flowered, 2-A lines long, about equaling their pedicels 117 



e. Spikelets 2-5-flowered, I-I5 lines long, on slender pedicels 118 



e. Spikelets 5-lS-flowered, 2-4i lines long, mostly shorter than pedicels 119 



f. Panicle 1-2J feet long, virgate, very loose, leaves U-2 feet long 120^ 



/. Panicle widely expanding and diffuse (g). 



g. Panicle mostly naked in axils, spikelets 2-4-flowered, very small 121 



(/. Bearded in the axils, spikelets 5-15-flowered, large, 2-3 lines long 122 



115. Eragrostis reptans Nees.; Creeping Eragrostis. 



116. E. major Host.; Stinking grass, Pungent Meadow grass, Candy grass. 



117. E. pilosa Beauv. 



118. E. Frankii Mey. 



119. E. Purshii Schrad. 



120. E. oxylepis Torr. 

 120i. E. tenuis Gray. 



121. E. capillaris Nees. 



122. E. pectinacea Gray. 



41. Eatonia Raf. 



a. Panicle dense and contracted, second glume broad and saccate 123 



a. Panicle long and slender, loose, second glume not so broad 124 



123. Eatonia ohtusata Gr.; Obtuse Eatonia, Prairie grass. 



124. E. Pennsylvanica Gr.; Eastern Eatonia, Prairie grass. 



42. KoELEKiA Pers. 

 a. Panicle narrowly spiked, interrupted or lobed at the base 125 



125. Koeleria cristata Pers.; Crested Koeleria, Prairie grass. 



43. Melioa L. 



a. Panicle simple or little branched 126 



a. Panicle larger and more branched 126i 



126. Melica mutica Walt.; Melic grass. 



1265. M. mutica Walt., var. diffusa Gr.; Melic grass. 



