Flora of Denver. 9 



53- Erodium cicutarium L'HfiR. (ALFILARIA.) Recently 

 introduced around Denver. 



54- Oxalis corniculata L. var. stri'cta SAV. (YELLOW Ox- 

 ALIS.) Along the Platte and Cherry Creek near Berkeley. 

 Summer. 



VITACEjE. (Vine Family.) 



55. Vitis riparia MICHX. (WiLD GRAPE.) Along the 

 Platte. 



56. Ampelopsis quinquefolia MICHX. (WOODBINE.) Flow- 

 ers small and green, fruit purple, leaflets five. Cherry Creek, 

 along the Platte. 



SAPINDACE^. (Maple Family.) 



57. Negundo aceroides MCENCH. (Box-ELDER.) Along 

 the Platte and Cherry Creek. 



ANACARDIACE.E. (Sumach Family.) 



58. Rhus Toxicodendron L. (PoisoN-Ivv OR POISON-OAK.) 

 The form near Denver does not climb. Leaflets three. Along 

 the Platte and Cherry Creek, sometimes along the ditches. 



59. Rhus Canadensis MARSH var. trilobata GRAY. A strong 

 scented shrub, flowers numerous, small and greenish yellow, 

 red fruit covered with a pleasantly acid coating. 



LEGUMINOS^. (Pulse Family.) 



60. Thermopsis rhombifolia NUTT. Pods spreading, 

 curved downwards. Cherry Creek along the Platte. Spring. 



61. Thermopsis montana NUTT. This has been reported. 



