346 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



2. Amelanchier utahensis Koehne, Berlin Ostein. 32:^r/. 2. 1S90. 

 Amelandiler alnifolia utahensis Jones, Proc. Cal. Acad. Sci. 5: 679. 1895. 

 Type locality: Leeds, Utah. 



Range: Washington to I'tah. 



Specimens examined: Wenache, Whited 1028 in part; Rattlesnake Mountains, Cotton 

 569, 571, 365; Rock Creek, Sandherg <&. Leiherg 94. 

 Zonal distribution: Upper Sonoran. 



3. Amelanchier cusickii Fernald, Erythea 7: 121. 1899. 



TiPE locality: "On stony hillsides. Union County, Oregon." Collected by Cusick. 



Range: Washington, Oregon, and Idaho. 



Specimens examined: Wenache, Whited 1028 in part, 1344; Fort Colville, LijalJ in 1861 : 

 Rock Lake, Piper 2830; Spokane, Piper 2694; Union Flat, Piper 2732; Elmer 135; AVawa- 

 wai. Piper 3812; Meyers Falls, Bealtie d' Chapman 2175. 



Zonal distribution: Arid Transition. 



4. Amelanchier cuneata Piper, Bull. Torr. Club 27: 392. 1900. 

 Type locality: Ellensi)uig, Washington. 



Specimens examined: Ellonsburg, Piper 2713. 



5. Amelanchier basal ticola Piper, Fl. Palouse Reg. 100. 1901. 



TiPE locality: BluO's of Snake River, Whitman County, Washington, opposite Clarks- 

 ton. 



Range: Bluffs of Snake River in Washington and Idaho. 



Speclmens examined: Wawawai Bluffs, Piper 3823; opposite Clarkston, Hunter 39. 



Zonal distribution: Arid Transition. 



Amelanchier sp. Specimens collected by Ilcllei- (no. 3958) at Montesano and by Lamb 

 (no. 1190) at Ilumptulips represent a species close to A. florida, but seemingly distinct. 

 More and better material is needed. 



CRATAEGUS. Thorn apple. 



Fruit rod; spines 4 to 6 cm. I'mg. 



Calyx and fruit glabrous 1. C. columhiana. 



Calyx and fruit tomentose. 2. C. piperi. 



Fruit black ; spines 2 to 3 cm. long 3. C. hreinspina. 



1. Crataegus columbiana Howell, Fl. N. W. Am. 1: 163. 1898. 



Type locality: "Common along the Columbia River and its tributaries east of the Cas- 

 cade Mountains. " 



Range: Eastern Washington and eastern Oregon. 



Specimens examined: Wilson Creek, Lake & Hull 505; Spokane, Piper 2387; Sulcsdorf 

 919; Rock Creek, Sandberg S Leiherg 91; 6 miles south of Pullman, Piper 3809; Colville, 

 Kreager 523. 



Zonal distribution: Arid Transition. 



This species has been mistaken for the eastern C. macracantlia Lodd. It also forms 

 the basis for the entry "C. totnentosa L. var. " in Suksdorf's list. 



2. Crataegus piperi Britton, Torreya 1: 55. 1901. 

 Type locality: Pullman, Washington. 



Range: Eastern Washington, Idaho, and eastern Oregon. 



Specimens examined: Wenache, Whited, September 2, 1899; 1209, 1293; Brandegee in 

 1883; Pullman, Piper 1535; Elmer in 1896. 



Zonal distribution: Arid Transition and Upper Sonoian. 



This may be only a subspecies of the former, with which it sometimes occurs, being indis- 

 tinguishable except by the pubescence. 



