INDEX. 



71 



Page. 



Ealm's chess 46 



Keniucky blue-grass 29,43 



King's fescue 45 



Kochia ainericana 60 



Kceleria cristata 39, 55 



Lamb8<iuarters 59 



Lappida texana 65 



Large bladilerpod vetcb 63 



flowered pepper-grass 61 



fruilcd parsley 64 



leafed a veiis 62 



mountain bronie-grass 29, 46 



Lepidium, medium 61 



tnontanum 61 



Letterman's needle-grass 54 



Lewis's wild flax 64 



liinum lewisii 64 



Long-bearded wild rye 49, 57 



Long-stalked buiicb-grass 42 



ljupinui 53 



anjenteus 63 



leuGophyllus 63 



Machceran Ihera sessilijiura 66 



Maivastnim eoccinium 64 



Manna 28 



Many-jointed sedge 51 



spiued opuntia 64 



Marsh foxtail 34 



Meadow barley 49, 57 



Meadow fescue 45 



grasses 29 



Melica bulbosa 40 



Mentzelia 04 



Mi nzies' pink 61 



Monolepis nvttalliana 59 



Aloiitiuia blue-joint 36 



Mountain blue-grass 43 



blue-joint 36 



foxtail 34 



mahogany 19, 62 



meadow grass 29 



oat-grass 37 



wheat-grass 48 



MiMcnhergia comata 33 



gracilis breviaristata 33 



Narrow-leafed American vetch 63 



goosefoot 59 



Kebraska sedge 51, 58 



Keedlegrass 32, 54 



Nelson's neudlegiass 32, 54 



salt-sage 24, 60 



Kerved manna-grass 44 



Nevada blue-grass 43 



New sedge 52 



Northern meadow-grass 44 



wheat-grass 50 



Nuttall's wheat-grass 56 



sandwort 24, 60 



tansy 01 



Oblong-leafed gentian 04 



Opuntia polyacantha Gi 



2)latycarpa 64 



Oreocai-ya fava 65 



Oxygraplus cyinhalaria 01 



Oryzopmis micrantlia 33 



Panicinn rirgatuin 31 



Panicularia 29 



america7ia 30, 44 



borealis 44 



nervata 44 



itricta 44 



Page. 



Parry's oat-grass 37 



PenUlemon aienicolun 65 



fremontii 65 



jamcsii 65 



radicostis 65 



strict Its 65 



Petradoria puiiiila 66 



Peucedanum macrncarjnim 64 



Pliala ris arundinacca 32 



Philadelplnts occideittalis 62 



J'hleiim 28 



alpiniDii 34 



Phlox canesceng 65 



douglasii longi/olia 65 



Physaria 62 



Plantago erio2)oda 05 



Poa 28, 29 



arctica 40 



buckleyana 29, 40, 55 



i'ljilis 41 



fendleriana 41 



Jhiva 29, 41 



glauca 4.-S, 



juncifolia 29, 55 



Icevijata 29, 42, 56 



Uptocoma 42 



luiigejjedu7iculata 42 



nevadfnsis 43 



nemoralix 29, 42 



piratentiis 29. 43 



rejlexa 29, 43 



shelduni 29, 43 56 



wheeleri 29. 44 



Pon.v-grass 55 



Porter's chess 40 



Potentilla anserina 62 



glandulusa 62 



Prairie bulrn.sh 53 



evening primrose 64 



June gi-ass 39, 55 



rush 50 



Presls sedge 52 



Pru n IIS dem issa 63 



Psoralen laiiceolala 53 



linearifolia 53 



temdrtora 53 



Puccinellia airoides 45, 56 



Purple milk-vetch 63 



top needle-grass 33 



Purplish reed-grass 37 



Kabbitbrush 19, 20 



Kaynolds' sedge 52 



Eed-top 30. 35 



false mallow 04 



fescue 45 



Reed 28 



cauary-gTass 32 



meadow-grass 30, 31, 44 



lihiis trilobata 64 



Kicbardson's wheat-grass 47 



River-bank willow 59 



Rough hair-grass 35 



leafed bent-grass 35 



salt-grass 34 



liumcx tuberosus 59 



Rush-like sedge 52 



Russian thistle 24, 01 



Rye-grasses 28 



Sage-brush 18,20,25 



.S'rtJt.r bebbiana h'S 



cordata mackenzieana 58 



