386 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



Watson 73; White Salmon, Suksdorf 2%\; Cascade Mountains, latitude 49°, Lyall in 1859; 

 Stehekin, Whited 1408; Nason Creek, Sandherg & Leiberg 624; without locality, I'asey 

 227, 228; Clallam County, Elmer 2835; Stehekin, Griff fhs & Cotton 221. 

 Zonal distribution: Humid Transition. 



IMPATIENTACEAE. Balsam Family. 



IMPATIENS. Jewelwef.d. 



Posterior sepal not spurrec! 1 . /. ecalcarata. 



Posterior sepal spurred. 



Corolla orange-yellow; saccate sepal longer than broad 2.7. Inflora. 



Corolla pale-yellow; saccate sepal much longer than broad 3. 7. nolitangere. 



1. Impatiens ecalca,rata Blankinship, Mont. Agr. Coll. Sci. Stud. 1: 85. 1905. 

 Type locality: Montana, "about half a mile east of Plains, Missoula County." 

 Range: Washington to Montana. 



Specimens examined: Columbia Valley, Lyall in 1860. 



2. Impatiens biflora Walt. Fl. Car. 219. 1788. 

 Impatiens f viva Nutt. Gen. 1: 146. 1818. 



hripatiens aurella Rydberg, Bull. Torr. Clul) 28: 34. 1901. 



Type locality: Carolina. 



Ranoe: Washington to Newfoundland, south to Kansas and Mississippi. 



Specimens examined: Columbia Valley, Lgall in 1860; Wilbur, Henderson, July, 1892; 

 Rock Lake, Lake & Hull 453; Spokane, Piper 2384; Spokane County, SuJcsdorf 1837; 

 Meyers Falls, Kr eager 472. 



3. Impatiens nolitangere L. Sp. PI. 2: 938. 1753. 



Type locality: ''Habitat in Europae, Canadae nemoribus." 

 Range: Alaska to Washington. Europe. Asia. 



Specimens examined: Cascade Mountains, latitude 49°, Lyall in 18.59; Deming, Flett 

 853; North Fork of Nooksaek River, SuJcsdorf 960. 

 Zonal distribution: Canadian. 

 This species is undoubtedly native, not introduced as indicated in the Synoptical Flora. 



RHAMNACEAE. Blckthoux Family. 



Fruit a drupe ; flowers solitary or uml^elled Riiamnus. 



Fruit a dry capsule : flowers paniculate Ceanothus. 



RHAMNUS. 



wShrub; petals wanting; leaves nearly glabrous beneath 1.7?. almfolia. 



Tree : petals present; leaves dovrny beneath . 2. U. purshiana. 



1. Rhamnus alnifolia L'Her. Sert. Angl. 5. 1788. 

 Type locality: "In America septentrionale." 



Range: British Columbia to Maine, southward to California, Wyoming, and New Jersey. 

 Specimens examined: Marshall Junction, Piper 2250; near Spangle, Suksdorf 2453; 

 Box Canyon, Kr eager 393. 



Zonal dlstribution: Canadian. 



2. Rhamnus purshiana DC. Prod. 2: 25. 1825. Cascara sagrada. 

 Rharmius alnifolia Pur.sh, Fl. 1: 166. 1814. Not L'Her. 



Ty'PE localtty. "On the banks of the Kooskooskee" [Clearwater], Idaho. The exact 

 spot where Lewas collected the type is Camp Chopunish, opposite Kamiah. 

 Range: British Columbia to Idaho and California. 



