Ord. 64. OLEACE^. 



1. FRAXINUS, Tourn. 

 1. Fraxina Oregana, Nutt 



Fraxinus Oregana, Nutt. Sylv. 3, p. 59, t. 99 ; Torr. PI. Whippl. 1. c. p. 128. 

 F. pubescens, var., Hook. Fl. Bor.-Am. 2, p. 51. 

 F. grandifolia, Benth. Bot. Sulph. p. 33. 



Hab. Puget Sound to the Upper Sacramento, California. On the 

 Lower Sacramento, a variety (glabrescens); the leaflets four pairs, oval, 

 rather obtuse, entire or slightly serrate, glabrous above, and almost 

 so beneath. 



Ord. 65. ARISTOLOCHIACEiE. 



1. ARISTOLOCHIA, Tourn. 

 1. Aristolochia Californica, Torr. 



Aristolochia Californica, Torr. in Pacif. Eailroad Expl. (Bot. Whippl.) 4, p. 128. 



Hab. On the Sacramento River, California. — The specimens are 

 without flowers and fruit, but there can be no doubt of the species. 



