xx Illustrations 



FACING PAGE 



48 Aragallus Lamberti (Pursh) Greene. 



Loco-Weed ... jg 



48 Lathyrus ochroleucus Hook. White 



Vetch . . .180 



49 Empetrum nigrum L. Black Crowberry 182 



49 Linum Lewisii Pursh. Wild Blue- 



Flax .... . . . Ig2 







50 Pachystima myrsinites (Pursh) Raf. 



Mountain Lover . ' ". jg^ 



50 Viola adunca longipes (Nutt.) Rydb. 



Dog Violet . . . . 184 



5 1 Elaeagnus argentea Pursh. Silver-Berry 1 90 



51 Lepargyrasa canadensis (L.) Greene 



Buffalo-Berry -^A . . .190 



52 Epilobium luteum Pursh. Yellow 



Willow-Herb , ; V ^tp..^ ii:rf z 



52 Chamaenerion latifolium (L.) Sweet. 



Broad-Leaved Willow-Herb . .194 



53 Chamasnerion angustifolium (L.) Scop. 



Fire-Weed . . . s . . jg6 



53 Berberis aquifolium Pursh. Trailing 



Mahonia . .-;.-;; . . 196 



54 Echinppanax horriduni. (Smith) 



Dec. & Planch. Devil's Club 200 



