122 



American Midland Naturalist Monograph No. 4 



3. Hairyleaf Serviceber- 

 RY (Amelanchier utahensis 

 Koehne), fig. 57.— Spreading 

 shrub or small tree with stout 

 rigid branches; leaf -blades el- 

 liptic to oval or roundish, 

 rounded to more or less heart- 

 shaped at base, % to 1 inch 

 long, coarsely toothed above 

 the middle, rounded or squared 

 at tips, pale green, hairy on 

 both sides; flowers small, 

 white, the petals slightly more 

 than y^ inch long, borne in 

 short clusters; fruits about ^4 

 inch in diameter, pale orange 

 or yellowish in maturity, fine- 

 ly hairy. (Syn. A. Baker i 

 Greene.) 



Occurrence. — M ESA VERDE. 



GRAND CAN-iON, 6.800 to 8,000 

 feet. South Rim at edge of rim : 

 near El Tovar; near top of Bright 

 Angel trail. Canyon: just below 

 North Rim on Kaibab trail. 



Fig. 58. Shadblow seiviceberry 

 (^Amelanchier canadensis). 



Fig. 59. Thicket serviceberry {Amelanchier 

 canadensis var. oblongifolia) . 



4. Shadblow Serviceberry 

 (Amelanchier canadensis (L). 

 Medic), fig. 58. — Tall shrubs or 

 small trees up to 30 feet high, the 

 herbage at first white-woolly, soon 

 becoming smooth; leaves egg-shaped 

 to oblong-egg-shaped, usually more 

 or less heart shaped at base, pointed 

 at tips, finely toothed, I1/2 to 3 inches 

 long when mature, young leaves 

 folded as buds unfold; flowers white, 

 the petals i^ to 1 inch long, borne in 

 showy drooping clusters; fruits glo- 

 bose, dark purplish or purplish-red, 

 the fruiting stalks elongated. 



Occurrence. — ISLE ROYALE : Washing- 

 ton Harbor along trail to Windigo Mine. 



