72 



INDEX. 



Page. 



SaHx fiuviatilin 59 



Saltola tragus 61 



Siilt-jrrass 40, 55 



sages 19, 20, 22, 23, 24 



Saiultlime beard-tongue fi5 



grass 36 



Sarfohatus 19,23,53 



vermicidatus 60 



Savastana odorata 32 



Si'ahroiis cliess 46 



ScliedcDinardus panieulatvs 38 



Scirpux ca iiipestris 50, 58 



luc.astrin 50 



inicroca rpua 50 



Scribiier's reed-grass 37 



Seaside arrow-gra.ss 54 



crowfoot 61 



Sedges 31 



Seneca grass 32 



Senecio caims 07 



Servici'-berry 19 



Shad scale 19 



Sheep's fescue 45 



Sheldon's blue-grass 29, 43, 56 



Slieiilicrd's purse 62 



Sliiuv bunch -grass 29, 42, 56 



Sbort-awncd bronie-grass 45 



leafed fescue 45 



Shrubby blite 61 



Hilene mcnziesii 01 



Silver- weed 62 



Silvery lupine 63 



salt-sage 59 



liisi/nil'i'iHm canescens 02 



linifolium 62 



Sitaniiiii ('lij)noides 49, 57 



Slender cord-grass 38 



hair-grass 36 



wlieat-grass 28, 48, 56 



Slough-grass 39 



SuKill l)ot tie-sedge 52 



llowered mountain-rice 33 



fruited bulrush 50 



Smooth lmn( h-grass 29.42,56 



Soft-leafed .sedge 52 



Siicirtiiia gracilis 38 



Si)ear-grasses 28, 29, 42 



Spiny sage 61 



brush 67 



salt-sage 25, 59 



Sporobolun 28 



airoidcs 34, 54 



asperifoliiig 34 



confusiis 34 



cryptandrus 34 



Sporubohis depauperatns 30, 35, 55 



simplex 35 



Spreading orache CO 



salt-sage CO 



Siiuirrel-tail grass 49, 5C 



atanleya pinnatu 01 



intiijrifuUa 01 



•Stenolti.s acaulis 66 



Stinking sumach 04 



Page. 



Stipa comata 32, 54 



Columbiana 32 



lettermani 54 



■minor 33 



iielsoni 32, 54 



tireedyi 33 



viridula •. 33 



Strawberry blite 59 



Strejjtanth us lonairostris 62 



Sueda 53 



Sweet sage 6 J 



Switch-grass 31 



Tall manna-grass 44 



Tanacetum nuttaUii 67 



Taraxia brevijfora 64 



Tetradymia 19, 23 



canef:cens 67 



inerinis 67 



mUtallii 67 



.<ijii7iosa 67 



Tetraiieviis acaulis 67 



laiiatu 67 



Tlielypodiuut CI 



Tliermopsis 53 



Thread-leafed sedge 51 



Thurber's fescue 45 



Timothy ; 28 



Tou-nscndia strigosa 66 



TrifoUum, loiigijjc.i 53 



Triglochin ma ritiina 54 



Trisetutn subspicatuiii 37 



Triticum festiruui 49 



Tuberous dock 59 



Tufteil beard-tongue 65 



hair-grass 37, 55 



Tumbling salt-sage 24 



Tweedy 's slipa 33 



Vasey's wbeat-grasa 48, 56 



Yicia 53 



dixsiti/olia 03 



linearis 03 



Water whorl-grass 55 



Western blue-grass 29 



pejiper-grass 61 



])laiil;uu 65 



rye-grass 49 



syringa 02 



wheat-grass 28. 48. 56 



wild cherry 63 



Wheat grasses ! 19, 22, 23, 25, 28 



Wliite-leafeil sagebrush 67 



sage 20,23 



Whitlow-grass 62 



Wild onion 58 



rye 49 



Winter-fat 19, 00 



Wood meadow-grass 29, 42 



Woolly sedgo 51 



Wyoming blue-grass 29,44 



Xylorrlilza parryi 06 



\'elln\v ch'oiiie 02 



llowered oi-eocarya 65 



top 30 



^ 



