292 



INDEX. 



Page. 



Bluegrass, little 45 



malpais 44-45 



Texas 44 



joint 121,122 



stem 87 



big 263,264 



little 260,261 



Blumenbachia 266 



Botelua 191 



Bottle-brush grass 98, 99 



Bouteloua 4, 191, 193-194 



americana 191 



aristidoides 193, 194 



barbata 191, 194 



curtipendula 191, 193, 195 



eriopoda 193 



filiformis 193 



gracilis 193, 194 



heterostega 193 



hirsuta 191, 193 



oligostachya 193 



polystachya 194 



procumbens 193, 194 



prostrata 191, 194 



racemosa 191, 193 



rothrockii 193 



simplex 191 



texana 193, 196 



triaena 193 



Brachiaria 221 



ciliatissima 221 



erucaeformis 221 



platyphylla 221, 223 



Brachyelytrum 154-156 



aristatum 156 



erectum 145, 155, 156, 157 



Brachypodium 34 



distachyon 34 



Brachystylus 107 



Briza 45 



canadensis . ..' 34 



eragrostis 45, 46 



maxima 45 



media 45, 46 



minor 45 



Brizopyrum 58 



boreale 58 



Brome-grass 4, 24-28 



awnless 25 



downy 29 



Hungarian 25 



Schrader's 24 



smooth. ... 25 



Page. 



Brome-grass, wild 26 



Bromelica 69 



(section of Melica) 71 



Bromus 24-28 



arenarius 28 



carinatus 25 



ciliatus 25, 26 



commutatus 25 



cristatus 87 



elatior. 28 



erectus 25 



hordeaceus 28 



inermis 25 



marginatus 25 



porteri 25 



purgans 25 



racemosus 24 



rubens 28 



secalinus 24, 25, 27, 28 



sterilis 24 



tectorum 28, 29 



trinii 28 



unioloides 24 



villosus 28 



Broom corn 267 



sedge 260, 262 



Broom-corn millet 230 



Buchloe 197-199 



dactyloides 199 



Buffalo grass 4, 193, 198, 199, 200 



Bulbilis : . 197-199 



dactyloides 193, 199, 200 



Bunch-grass 150 



blue 4, 31, 88 



mountain 4, 31 



Burro grass 81, 82 



Cabrera 224 



chrysoblepharis 224 



Calamagrostis 121-123 



andina 145 



brevipilis 123, 125 



canadensis 121, 122 



langsdorfii 123 



longifolia 125 



rubescens 123 



scabra 123 



Calamovilfa 123, 125 



brevipilis 125 



curtissii 125 



gigantea 125 



longifolia 125, 126 



Calanthera 198 



dactyloides 198 



