INDEX 



Page. 



Agropyron caniDum 18 



(lasystachjiiQi sul)villo.suni 43 



divergens 18,43 



tenuispicuiii 43 



]»seu(lorepeii8 43 



repens 23, 43 



richardsoni 18, 43 



scribneri 43 



spicatum 22, 43 



tenerum 32 



Agrostidea? 37 



Agrostis alba 30, 39 



exarata 39 



scabra 39 



Alfalfa 16 



Alopecnrus geniculatns 38 



fiilviis 38 



pratensia 8 



Alsike 1'' 



Andropogon ballii 34 



nutans avenaceHS 22, 36 



provtncialis 18 



furcatiis 36 



scopariiis 27, 36 



AndropogonerP 36 



Anbenatberum elatiiis 33 



Aristida fasciculata 34, 37 



Astragalus canadensis 9 



caryocarpiis 21 



Avena fatua 39 



Aveneaj ''9 



Barnyard grass 17 



Bearded TVbcat-grass 18 



Beckmannia eriicaefoniiis 40 



Big Blue-stem 18 



Sand-grass 19 



Black Graiua 19 



Blue Grama 19 



Blue-joint ^ 20 



Bonteloua curtipendula 31, 40 



hirsuta 19 



oligostacbya 19, 40 



Bromus breviaristatus 31, 43 



ciliatus ;^2, 43 



purgans 43 



inermis W, 13,25,43 



kalmii 43 



pumpellianus 34,43 



tectorum 13, 43 



unioloides 13, 43 



Broom-corn millet 20 



Buffalo Bunch-grass 20 



Grass 20 



Pea 21 



Page. 



Bulbilis dactyloides 20, 40 



Bunch grass 21 



Spear-grass 21 



Bushy Blue stem 22 



Calamagrostis canadensis 20. 39 



purpurascens 39 



Calaniovilfa longifolia 19, 39 



California Oat-grass 22 



Carex ajuncis 13 



marcida 13 



Catabrosa aquatica 13, 41 



Cenchrus tribuloides 37 



Cbaetocbloa glauca 24, 36 



italica 36 



germauica - 28 



yerticillata 36 



viridis 24,37 



ChloridefP 40 



Colorado Blue-stem 22 



Cord-grass 23 



Couch-grass 23 



Crab-grass 23 



Crotalaria sagittalis 9 



Daitylis glomerata 29, 41 



Dalea alojiecuroides 9 



Danthonia californica 22 



intermedia 39 



Descbampsia ca?spitosa 39 



flexuosa 39 



Distichlis spicata 41 



Downy Oat-grass 23 



Early Bunch-grass 23 



Eatonia obtusata 23, 41 



pennsylvanica 41 



Elyraus canadensis 35,44 



condensatus 24 



glaucus 44 



macounii 13, 44 



nitidus 44 



robuatus 44 



striatus 44 



tritiooides 44 



virginicus 44 



Eragrostis hypnoides 41 



major "1" 



pectinacea 40 



purshli 41 



Eriocoma euspidata 38 



Euphorbia marginata 10 



Feather Bunch-grass 23 



Festuca arizonica 42 



brevifolia 42 



kiuKii 42 



octotiora 32, 43 



45 



