INDEX. 



399 



Pago. 



Tetradymia canoscens, DC 360 



canesceus, DC, var. inermis, Gray 179 



sqnamata, var. Breweri, Gray 367 



Trtraim riumhispidiun,Xee3 220 



Teucrium canadense, L 225 



Thalictrum alpinum, L 55 



Pendleri, Engelin 55, 354 



Tluusp'mm .' m ,■> a to it urn, Gray 13-4 



trifoliatuxn, Gray 134 



Thelesperma gracilis, Gray 1G5 



longipes, Gray 104 



Thelypodium integrifolium, Endl 05 



liinariiV'lium, Gray 05 



longifulium, "Watson - 65 



ugtttatmn, Endl 65 



Wrightii, Gray 65 



Tberniopsis 84 



fabacea, DC . , var. mont ana, Gray 87 



moutana, Gray 87 



Thlaspi alpestre, L. ? 66 



Thuidiuni Blandowii, Wob. & Moh 347 



Thurberia thespeaioides, Gray 70 



Tillaaa angustifolia, Nutt 119 



Tininiia niegnpolitana, Hedw 347 



Tithymalus 248 



To-wnsendiaEothrockii, Gray (PI. VII) 147 



scapigera, D. C. Eaton 149 



soricea, Hook 148 



strigosa, Nutt US 



Tradeseantia Virginica, L 274 



Tribulus grandiilonrs, Benth. & Hook 79 



iuaxinms, L 79 



Trie-host ema Arizonicum, Gray 225 



Tricuspia pulcliella, Torr 288 



Trigloekin inaritimuni, L , 268 



palustre, L 268 



Trisetnm alpestre, Beauv. (PI. XXVII) 294 



subspicatum, Beauv 293, 378 



Woliii, Vasoy (Pi XXVII) 294 



Trifuliiim S5 



dasyphyllum, T.&G 7,90 



involucratum, Willd 91 



involucratum, "Willd., var. heterodon, Wat- 

 son 91,359 



longipes, Kutt 90 



megacephalum, Nutt 90, 359 



monantbum, Gray 91, 359 



nanum, Torr 8, 90 



Parryi, Gray 8, 90 



tridentatum, Lindl., var. melananthuin, 



"Watson 359 



tridentatum, Lindl., var. obtusiflorum, 



Watson 359 



Tviticum caninum, L 293 



repena, L. 293 



violaceum, Ilornem 293 



Trolliua laxus, Salisb., var. albiflorus, Gray 8,58 



Tropidocarpum gracile, Hook 66 



Tn.ximmi aurantiacuni, Hook., var. Parryi, Gray 181 



glabra,!* 61 



T YPIIACEJE 269 



Ulmus fulva 357 



UMBELLIFERiE 132,302 



Umbilicaria vellea, (L.J Nyl 351 



Urtica Breweri, Watson (PL XXV) 239 



dioica, L . 239 



Drticn (Koicfflj L., var. occidental-is, "Watson 239 



gracilis, Ait 238 



gracilis, Ait., var, occidentals, Watsnn 239 



holosericea, Nutt 374 



URTICE^ 374 



Usnea barbata, (L.) Fr., var. dasypoga 350 



cavernosa, Tuckenn 350 



Vaccinium cacspitosiun 183 



VALEIUANACE.33 138 



Valeriana ciliata, T. &. G 138 



dioica, L., var. sylvatica, Watson 138 



edulia, Nutt 138 



Vaseya coniata, Tliurb 285 



Venegasia carpesioides, DC 305 



Veratrum album, L 18, 270 



CaUfornicum, Dur 270 



Verbascum Thapsus, L - - - - 209 



VERBENACEiG 220,371 



Verbena Aubletia, L 221 



bracteosa, Mx 221,371 



hastata, L 221 



Verbesina encelioides, Benth. &Hook 103 



podocephala, Gray 164 



Veronica alpina, L 215 



Americana, Schweinitz , 215 



peregrina^ Linn 215 



peregrina, L., var. diffusa 215 



Berpyllifolia, L 215 



Vcsicaria Ludoviciana, DC 62 



montana, Gray 62 



Vicia 80 



Americana, Mubl., var. linearis, "Watson 162 



Viguiera laxa, DC, var. brevipes, Gray 161 



reticulata, Watson (PI. IV) 101 



Vilfa airoides, Trin 282 



asperifolia, N. & M 282 



cuspidata, Torr 281 



crypt andra, Torr -S2 



depauperata, Torr 377 



depauperata, Torr., var. filiformis, "Watson 377 



minima, Vasoy (PL XXVH) 28^ 



ramulosa, H. B. K 



ringens, Trin. ? 



tricholepia, Torr 



Villanova chry santbemoides, Gray 



v Lola I Janadensis, L 



canina.L 



cucullata, Ait 



Nuttallii, Pursb 



VIOLACEiE 



Vitis aestivalis, Mich., var. ? 



Arizonica, Engelm --• 



Californioa, Benth 



Webera acuminata, Brch. & Sch 



clongata, var. minus, B. &■ S 



nutans, Scorch 



nutans, var. y. bicolor, B. & S 



nutans, var. 0. effispitosa, B. &. S 



nutans, var. «. hmgiseta, B. & S 



Wiesia cirrkata 



criapula, Hedw ■ 



Withania? Coronnptts, Torr 



sordida, Duiial 



Woodsiallvensia 



obtusa 



Oregana, D 'J.Eaton 



(IS 



337 



