INDEX. 



433 



ing Fescue. /. 193 



Oat Grass. /. 135 191 



Wild. /. ISO 193 



Oils: 



Common, f. 132 188 



Wild. /. 133 189 



Wild, Long-glumed. /. 131, VM 



Old Witch Grass. /. ;/ 58 



Oplismentis 50 



Crus-yalU ... 50 



Orchard Grass. /. W, 248 



Ordovieian 370 



Orthoraphium 124 



Oryza 96, 105 



sativa 90, 105 



Oryza clandestina 100 



Ortzbjb. /. G8 3, 5, 96 



Oryzopsis 114, 141 



Key to the Species of 142 



cuspidata. /. 10.',. m. 139 142, 144 



melanocarpa. /. 103. m. 133 112 



tpsis membranacea 141 



Osterdamia ... . 40 



matrella. /. .'.'< li 



OSTERDAMIEjC / 18 3, 40 



Podia 115 



Pamruel'ss Wild Barley. / .,;, 335 



Pampas Grass, f. 151 214 



I'akicace.i; 2 



Key to the Tribes of 3 



Panice.* f. 31 3, 5, 42 



Key to the Genera of 43 



Panic Grass : 



Atlantic, f. 58 80 



Slender. /. ',U 71 



Panicularia 269 



Americana 271 



jluilans 272 



rata 2^0 



Panicum ... 43 



Key to the Species of 47 



Atlaiiticuni. / 58. m. 73 49, 80 



bar batum . 83 



capillars / Id. m. 4S 49, 58 



clandestinnm 83 



cognatum. f.U m. 62 49, 63 



commufatum 83 



Crus-galli. f. 36. m. 48 47, 50 



" var. muticum. /. 57. ra. 48. .47. 52 



depauperatum. /. IS. m. 62 49, 69 



dichotomum 83 



flliforme. f. 39 m. 4S 47, 53 



glabrum. /. 10. m. 48 47, 55 



lanuginosum. /. 59. m. 73 49, 81 



latifolium. f. 51,. m. 73 49, 75 



Leibergii. f. 56. m. 73 49, 77 



linearifolium. f. 50. 49, 71 



macrocarpon. f. 53. m. 62 49, 74 



miliaceum. /. 1,5. m. 02 49, 04 



minimum, f. Ui. m. 02 49. 00 



perlongum. f. 1,9. m. 62 49, 71 



proliferum. /. !&. m. 02 49, 65 



. 4". 



. m 02 4", 



m. -is 47, 



m. 73 4', 



./. 52 49, 



/. ',', 



'. 



Panicum ( 'ontin lied. 



sanguinale. /. \0 m, '.-- . 



Scribnerianum. /. 67. m. 



sphserocarpon 



unciphyllum. /. 60. m. 78 



virgatum. /. ',,. m 02 . . . 



Walteri. /. 38. 



Wilcoxianuni . 



xanthopliTsum 

 Panicum. 



Diffuse Purple. 



Hairy. / 



Large-fruited. 



Leiberg's. J ."■<; 



Linear-leaved. /. 50 



Porter's. /'. :,', 



Scribner's. f. 57 



Sleneer. /. :,..' 



Starved /. :v 



Wilcox's, i 55 



Pa nicum 



autumn ale 



capillare minimum 



Crus-galli var. hispidum 



depauperatum var. laxa 



divergens 



erislini 



geniculalum 



derma nicum 



glaucum 



h&mocarpon 



hiriellum 



hispidum. 



h u m if us um 



Italicu m 



lineal e 



pauciflorum. 



polyanthes 



Porterianum ... 



pubescens ... 



scoparium 



' ' var. Leiberyii 



Tennesseense 



verticillatum 



viride 



Walteri 



Paspalum 43 



Key to the Species of — 



ciliatifolium. f. 33. m. 89 41 



membranaceum. f.32.» 



Paspalum . 



amhiguum 



dasyphyllum. , ... 



filiforme 



sartguinale 



setaceum var ciliatifolium 



11 'altn ianum 



Pearl Millet. /. 67 



Pennisetum 43 



longistylum 



setosum 



typhoideum. f. 67 



63 



•I 

 7S 

 77 

 7:." 



72 

 70 

 77 

 52 

 63 

 P0 

 52 

 71 



71 



65 



80 



55 

 89 

 55 

 79 

 83 

 76 

 82 

 79 

 77 

 81 

 81 

 h7 

 76 

 194 

 44 

 45 

 44 

 44 

 55 

 45 

 54 

 57 

 45 

 44 

 95 

 94 

 9.5 

 95 

 95 



28 



