INDIX 



Actinella UnearifoUa 



Ar/ropyron S2>ic(ituiii 11 



Alfllaria 33 



Alkali saccatoue 17 



AlKonia incartuita 30 



AinaranthusbUtoideB 30 



Amhliolepis setigera 21 



Ammnnnia coccinea 31 



Andropogon nutans 12 



saccharoides torreyamis li 



Arctic grass 13 



Aristidaai-izonica 28 



A ristida faxciculata 23, 2H 



Arizona millet 13 



Artemisia ludoviciana 27 



niexicana 31 



Artichoke 34 



Astragalus crassicarpns 31 



Atriplex cnnescens 22 



obovaturn 21 



palnieri 22 



Barnyard ('rasa 17 



Beardless barnyard grass 18 



Beggar weed 22 



Bermuda 13 



Black grama 12,16 



12 



34 



25 



12 



12 



12 



13 



29 



24 



Blue grauia . 



weed 



Bog rush 



Bouteloua curtipendula . 



hirsuta 



oligostachya . . 



Bromus unioloides 



Browntop 



Butfalo grass 



Bulbilis dactyloides 13, 24 



Bur clover 35 



25 



12 



28 



27 



35 



29 



21 



25 



31 



25 



31 



25 



13 



18 



32 



29 



29 



32 



32 



22 



'!'!!""!!!!. 27 



18 



18 



28 



18 



Crab gras's 26. 29 



Croton 



Crowfoot 



Curley niesqiiite 



Cynodon dactylon 



Cyperus 



clover 



grass 



Bushy blue-stem 



knot weed 



Butterfly pea 



California clover 



Candy grass 



Careless weed 



Carex 



vitljnnoidi's 



C'enchriis tribuloides 



Centaurea a mericana 



Chcetochloa italica 



macrostaehya 



Chaparral millet 



Chenopodium album 



Chloris alba 



cucullata 



Cbufa 



Cleniatis drum »» o ndii 



j>anicularia 



Clitoria mariana 



Colorado grass 



Concho grass 



Cotton purslane 



top 



Page. I Page. 



20 ' Cyperus erythrorhizos 32 



esculentus 32 



Dogtown grass 23 



Drop seed 19 



Dwarf broom weed 33 



Elymus canadensis 14 



Ephedra nevadensis 32 



Eragrostis major 29 



pilosa 29 



secundiflora 29 



Eriochloa punctata 14 



Erodium cicutariuin 33 



moscatum 33 



Eurotia lanata 33 



Everlasting grass 14 



Fall redtop. 30 



Fall tallow weed 21 



Feather blue stem 11 



crowfoot " 29 



sedge 11 



Fox sedge 31 



Gallet a 16 



Grandpa's beard 32 



Grapevine mesquite 26 



Grindelia squarrosa 33 



Ground plum 31 



Gum weed 33 



Guuanlnipil 30 



Gutierrezia sarothrce microcephala 



Hall's grass 29 



Hairy-flowered panic „ 29 



Helianthrts annvus 33 



tuberasus 34 



Hilaria cenehroides 15 



mutica 16 



Roff'manseggia stricta 34 



Hog nut 32 



Hurrah grass 18 



Juncus 25 



Knot grass 26 



Kuhnistera 35 



Lamb's quarter 32 



Leptochloa dubia , 19 



Lippia nodiflora 34 



Love grass 29 



Medicago maculata 35 



^^lesquite bean 36 



Muhlenbergia arenicola 29 



racem osa 16 



tenviflora 25 



Needle grass 23 



Old witch grass 29 



Oinintia engelmanni 35 



Oxalis cornicidata 35 



Panicum bulbosum 17 



capillare 29 



ciliatissinmin 29 



crusgalli 17 



mttticum 38 



fnscum 29 



'hallii 29 



lachnantlimn. 18 



obtusvm 26 



32 reticulatum 18 



29 rererchoni 18 



15 sanifuinale 26 



] 3 tern nil in 18 



25 rlrgatum 19 



37 



