60 HANDBOOK 148, U.S. DEPARTMENT OF AGRICULTURE 



22. True end buds and stipules present; leaf scars 

 with 3 bundle traces; leaf veins parallel or 

 nearly so (sometimes upcurving or branching 

 a little near margins) ; flowers with showy, 

 usually white petals to 1 inch long, often 

 fragrant, 3-15, in stalked, often erect, end 

 clusters (racemes) on new leafy twigs; 

 "berries" (pomes) tipped by persistent flower 

 parts (bent-back calyx lobes and 2-5 separate 

 or partly united styles) ; low to tall shrubs 

 or small trees; moist sites, open woods or 

 springy hillsides. 



serviceberries {Amelanchier spp.). 12 

 26. Mature leaves hairless or nearly so; new 

 twigs reddish brown. 

 27. Twigs, leaves hairless even when young; 

 new twigs pliable, slender, wandlike, 

 shiny; leaves pale green on both sides, 

 mostly oval, to 2 inches long, rounded 

 or abruptly pointed at tip; veins 7-10 

 pairs, upcurving, branching near the 

 sharply saw-toothed margins; teeth 3-15 

 on each side; flowers large (petals to 

 1 inch long), stalked, 3-8 in each cluster, 

 blooming 10-15 days earlier than Saska- 

 toon serviceberry with which it often 

 grows; "berries" scarlet, ripening black, 

 often hairless in depression around base 

 of the 4 or 5 styles, with lance-shaped 

 calyx lobes to nearly */4 inch long; 

 slender shrubs to 10 feet high; e. slopes 

 of Cascades, Wallowa and Blue Mts., 

 e. Oreg., e. Wash.; type locality, stony 

 hillsides, Union Co., ne. Oreg. 



Cusick serviceberry 

 {Amelanchier cusickii). 

 27. Twigs, leaves hairy when young, soon 

 hairless; leaves pale or with whitish 

 "bloom" on under side; veins 8-12 (or 

 13) pairs, often running out to teeth; 

 flowers 5-15 in each cluster; petals to % 

 inch long; "berries" purplish black, 

 tipped by triangular-lance-shaped calyx 

 lobes to Vg inch long. 

 28. New twigs silky-hairy; leaves dark 

 green on upper side, firm to leathery, 

 mostly quadrangular or round in out- 

 line, rarely wedge-shaped at base, 

 usually /2 grown at flowering time; 

 teeth incurved, 2-20 on each side 



12 Serviceberry species are variable and often hard to tell apart. The present 

 treatment is based on that of Dr. George Neville Jones, American Species of 

 Amelanchier. 111. Biol. Monog. 202 (2): 126-206, illus. 1939. 



