LIST OF PLATES. 



The Plates illustrating the present volume, as well as the accompanying 



Map, were engraved and printed by Julius Bien, of New York. The 

 original drawings were executed by Mr. J. H. Emerton, of Salem, Mass. 



Map of the Northern portions of Nevada and Utah facing page 1 



Plate I. Ranunculus Andersonii and Var. TENELLUS.-do — 7 



II. Arabis longirostris do — 17 



III. Caulanthus hastatus do — 28 



IV. Lepidium dictyotum, L. Fremontii and L. 



NANUM do 30 



V. Cleome sparsifolia do — 32 



VI. Stellaria Kingii, Claytonia umbellata 



and Calyptridium roseum do — 44 



VII. LupiNus brevicaulis and L. uncialis do — 54 



VIII. Trxpolium gymnocarpon and T. Andinum — do — 62 



IX. Dalea polydenia do 64 



X. Dalea Kingii and Astragalus calycosus do — 66 



XI. Astragalus atratus do 69 



XII. Astragalus pterocarpus and A. simplici- 



POLius do 71 



XIII. Astragalus jejunus aud A. tegetarius do 76 



XIV. (Enothera pterosperma, Orogenia lineari- 



POLiA and Galium bifolium do 120 



XV. Brickellia linifolia and B. oblongifolia, 



Var. abbeeviata do 137 



XVI. Aster Kingii and A. pulchellus do 142 



XVII. Townsendia scapigera and Erigeron sten- 



OPHYLLUM do 152 



XVIII. Ch^nactis macrantha and Burrielia nivea . . do 174 



XIX; Tanacetem diversifolium, T. canum and 



Artemisia spinescens do 180 



ii 



