APPLE FAMILY 447 



oblong, 10-14 mm. long; fruit purple, not very juicy. Copses: Me. — S.C 

 Ark. — Minn. — Alta. Boreal — Mont. 



6. A. humilis Wieg. A stoloniferous shrub, 0.5-1.5 m. high, with grayish 

 brown twigs; leaves oval-oblong or oval, 2.5-5 cm. long, subcordate or rounded 

 at the base, green above, tomentose when young beneath, becoming glabrate 

 and glaucous; racemes 4-5 cm. long; sepals triangular-lanceolate; petals obovate- 

 oblong, 7-10 mm. long; fruit almost black, glaucous, juicy. Banks and hills: 

 Vt.— Neb.— Alta.— (? Mack.) Plain— Mont, Je. 



7. A. florida Lindl. A shrub or low tree, 2-5 m. high, not stoloniferous, 

 with grayish or brownish twigs; leaves elliptic or oval, glabrous above, floccose 

 beneath when young, but soon glabrate, 2-4 cm. long; racemes 4-8 cm. long; 

 sepals lanceolate, acute; petals 12-15 mm. long, oblanceolate; fruit juicy, purple, 

 with a bloom, 1 cm. broad. A. elliplica A. Nels. River banks and hillsides: 

 B.C. — Alta.— Colo. — Calif. Subniont. Ap-Je. 



8. A, alnifolia Nutt. A low shrub, 1-2 m. high, with dark gray twigs; 

 leaves suborbicular or round-oval, 2-5 cm. long, glabrous above, somewhat 

 tomentose beneath; raceme 2-4 cm. long; sepals lanceolate; petals oblaneoolate- 

 oblong, about 1 cm. long; fruit purple, juicy, with a bloom, 8-9 mm. thick. Banks 

 and hills: Sask.— Neb.— Colo.— Ida.— Yukon; Mich. Plain— Mont. My-JI, 



9. A. oreophila A. Nels. A low, branched shrub, 1-2 m. high, growing 

 in clumps; leaves broadly oval, or obovate, 2-4 cm. long, rounded at the apex; 

 racemes short and dense; sepals narrowly lanceolate; petals oblanceolate or 

 spatulate, about 8 mm. long; fruit globose, purplish black, little juicy. Open 

 stony slopes: Mont. — N.M. — Nev, Suhviont, — Mont. My-Je. 



10. A. mormonica C. K. Schneider. A low shrub; leaves rounded-oval, 

 rounded at both ends, 2-3.5 cm. long, coarsely dentate, dark green above, gray- 

 ish green beneath; racemes few-flowered; sepals lanceolate; petals oblong-lance- 

 olate, about 1 cm. long; fruit globose, slightly juicy; stvlcs 4 or 5. Hillsides: 

 Ariz. — Wyo. — N.M. Son, — Submont, My-Je. 



11. A. Jonesiana C. K. Schneider. A low shrub; leaves rounded-oval, 

 truncate at the apex, irregularly dentate from below the middle to the apex, 

 about 2 cm. long; racemes short, few-flowered; sepals elongate-lanceolate, 

 acuminate; petals ovate-oblong, about 11 mm. long; stamens 8-10. Canons: 

 Utah — Ariz. (ace. to Schneider). Submont. My. 



12. A. Bakeri Greene. A shrub, divaricately branched, with reddish puberu- 

 lent bark; leaf-blades orbicular, 1.5-2 cm. long, coarsely toothed, except the 

 entire subcordate base, finely tomentulose; racemes 2-3 cm. long; sepals lance- 

 olate, villous on both sides; petals 7-8 mm. long, elliptic; fruit orange, not juicy, 

 A. Purpusi Koehne. Hills: Colo. — N.M. Subinont. — Mont, My. 



13. A. crenata Greene. A low shrub, divaricately branched; leaf-blades 

 suborbicular or broadly oval, 1.5-2.5 cm. long and nearly as broad, crenate 

 except at the base, tomentulose on both sides, paler beneath; racemes very short; 

 sepals lanceolate, villous; petals 6-7 mm. long, oblanceolate; fruit unkno^^-n. 

 Rocks: N.M. — (? Ariz.) — se Utah — ^s Colo. Son. Ap. 



14. A. utahensis Koehne. A shrub 0.5-5 m, high, with gray or brown 

 twigs; leaves elliptic or oval, 1-3 cm. (rarely 3.5 cm.) long, finely tomentulose, 

 coarsely serrate; racemes 2-3 cm. long; sepals narrowly lanceolate, villous on 

 both sides; petals elliptic, about 7 mm. long; fruit puberulent, yellow or orange, 

 not juicy, 7-8 mm. broad. Hills: Ida. — Colo. — N.M. — Ariz. Son. — Submont. 

 My-Je. 



15. A. pninifolia Greene. A shrub, 0.5-3 m. (according to Greene even 



5 m.) high, with brown, or on account of the pubescence grayish twigs, much 



branched; leaves 1-3 cm. long, elliptic, ovate, or oval, or rarely obovate, finel^^ 



crenate-serrate, thick, finely cinereous on both sides; raceme 2-3 cm. long; 



sepals narrowly lanceolate, villous on both sides; petals elliptic, 8 mm. long; 



fruit puberulent when young, in age yellow or golden, not juicy, 6-7 mm. broad. 



A. rubescens Greene. Hills and arroyos: Colo. — Utah — N.M. Submont. — Mont. 

 Ap-Je. 



