2i6 Mr. J. C. Melvill on a 



SAPINDACEyE. 



Negundo aceroidcs (Moench). 



In no way differing from the more Eastern form. 



Anacardiace^. 



Rhus Toxicodendron (L.). 



The well-known Poison Oak or Ivy. 

 Rhus glabra (L.). 



Leguminos^. 



Thermopsis viontana (Nutt). 



This is, according to Coulter, Manual of Rocky 

 Mountain Botany, p. 52, the T. fabacea of Hayden, Rep. 

 1872. It seems a distinct species, and must be very showy 

 when in flower with its large yellow lupin-shaped flowers. 



Ltipinus argenteus (Pursh). 



A widely-distributed species, with silvery pubescence, 

 and pale blue flowers. 



Onagrace.e. 



Epilobiuni paniculatuni ( N u ttal 1 ). 



An annual form, with but few flowers, at the summit 

 of almost leafless branches. 



OenotJiera Missoicriensis (Sims). 



A handsome large yellow-flowered species. 



CORNACEyE. 



Cornus stolonifera (Michx). 



This is the C. pubescens of King and Hayden's 

 reports. 



RUBIACE^. 



Galium boreale (L.). 



In no way differing from the ordinary British form. 



COMPOSIT.'E. 



Gutierrezia Euthamice (T. & G.). 



Chrysopsis villosa (Nutt.). 



Two forms of this variable species, of such wide 

 distribution over the Pacific Slope. 



