PIPER FLORA OF THE STATE OF WASHINGTON. 3-1:5 



CERcbCARPXJS. 



1. Cercocarpus ledifolius Mutt ; Torr. &Gi'. Fl. 1 : 427. 1840. Mountain mahogany. 



Type locality: Boar River, Idaho. Colleotod by Niittall. 



Range: Washington and Wyoming, southward to California and Arizona. 



Specimens examined: Near Salmon River, Horner 298; Blue MountaiiT^, Lalce ct* Hvll, 

 July, 1892; Piper 2449. 



Zonal distribution: Arid Transition. 



KXJNZIA. 



1. Kunzia tridentata (Pursh) Spreng. S^-st. 2: 475. 1825. Antelope brush. 



Piirshia tridentata DC. Trans. Linn. Soc. 12: 1.58. 1817. 



Ti.garea tridentata V\ivs\\,Y\. 1:333. 1814. 



Type locality: "In the prairies of the Rocky Mountains and on the Columbia River." 

 Collected by Lewis. 



Range: Washington to California, New Mexico, and Montana. 



Specimens examined: Wenachc, Whitedll, 1064; Ellcnsburg, £■//// er 384; Piper, ^\&y, 

 1897; North Yakima, Flett 1037; Pasco, Hindshav 34; Clealum, Henderson, June, 1892; 

 Hunts Junction, Leckenbi/, April, 1898; Crab and Wilson creeks, Sandherrj d' Leiherg 293; 

 Moses Coulee, Lalce c£' Hull 497 ; without locality, Vasey in 1889 ; Wenas, Griff ths cC- Cotton 97. 



Zonal distribution: Upper Sonoran. 



MALACEAE. Apple Fa^hily. 



Flowers racemose; ca:-pcls fleshy in fruit Amelanciiier fp. 345) 



Flowers corymbose. 



Carpels stony in fruit ..... Cr.\taegus (p. 346). 



Carpels papery in fruit Pyrus (p. 347). 



AMELANCHIER. Serviceberry. 

 Twigs pale or ashy. 



Leaves cuneate at base A. A. cuneata. 



Leaves rounded at base 2. .1. ritahen-tis. 



Twigs not ashy. 



Leaves tomentosc beneath when young, serrate only toward tlie apex. 1. A. Jlurida. 

 Leaves glabrous when young. 



Petals 2 cm. long; leaves bright green 3. -I. rusiclcii. 



Petals 1 to 1.5, cm. long; leaves palhd 5. ^1. hasalticola. 



1. Amelanchier fiorida LindL Bot. Reg. 19: pi. 1580. 1833. 



Auielanchier oralis seiniintegrifolia Hook. Fl. Bor. Am. 1: 202. 1834. 



Type locality: "Northwest America." Collected by Douglas. 



Range: British Columbia to CaUfornia. 



Specimens e.\.a.mined: Montesano, Heller 3958; Lopez Island, Li/aU in 18.58: Fidalgo 

 Island, Flett 1940; Cascade Mountains, latitude 49°, Lyall in 1859; Seattle, Piper, July 4, 

 1897; Olympia, Henderson, May 24, 1892; Rock Island, Henderson, July 3, 1892; Klickitat 

 River, Flett 1325; Ellensburg, Whited 322; without locality, Vasey in 1889; Lake Chelan, 

 Lake c& Hull, August 25, 1892; Rock Creek, Piper 2831; Almota, Hull 499; Union Flat, 

 Piper, April 29, 1897; Henderson, July 1-8, 1892; Pullman, Piper 1534; Clallam County, 

 Elmer 2512; Nisqually Valley, Allen 214; Mount Adams, Flett 1325. 



Zonal distribution: Transition. 



This is by far the most abundant species in Washington and it has commonly been referred 

 to A. almfolia Nutt. In Cooper's Report it was named A. canadensis var. 



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