POMACEAE. 



[VOL. II- 



2. Amelanchier Botryapium (L. f.) 

 DC. Shad-bush. Swamp Sugar- 

 Pear. (Fig. 1986.) 



Pyrus Botrvapium L. f. Suppl. 255. 1781. 

 A. Botryapium DC. Prodr. 2: 632. 1825. 

 Amelanchier Canadensis var. oblongifolia T. & 



G. Fl. N. A. i: 473. 1840. 



A shrub or small tree, sometimes 30 high, 

 the foliage and inflorescence densely white- 

 woolly when young, often nearly or quite gla- 

 brous when old. Leaves oval, oblong, ellip- 

 tic or obovate, acute at the apex, rounded, or 

 sometimes narrowed or subcordate at the base, 

 finely and sharply serrate nearly all around; 

 racemes short, rather dense; pedicels short, 

 seldom over i' long; petals spatulate or linear- 

 spatulate, 3 // -7 // long, 2-3 times as long as the 

 calyx-lobes; calyx usually densely white- 

 woolly; pome globose, $"-4," in diameter. 



In swamps and moist soil, New Brunswick to 

 Manitoba, Florida and Louisiana. April-May. 



3. Amelanchier spicata (Lain.) Dec. 

 IvOw June-berry. (Fig. 1987.) 



Crataegus spicata Lam. Encycl. i: 84. 1783. 

 Amelanchier spicata Dec. Nouv. Arch. Mus. Paris, 



10 : 135. pi. 9. 1874. 



Stems i-3 high from a long root creeping 

 among rocks. Leaves elliptic or oval, g"-!^' 

 long, rounded at both ends, or sometimes sub- 

 acute at the apex, sometimes subcordate at the 

 base, serrulate or dentate-serrate nearly all 

 around or sometimes entire below the middle, 

 dark green and quite glabrous when mature, 

 woolly when young; racemes numerous, 4-10 

 flowered; pedicels slender, *'-i' long in fruit; 

 petals 2 // -4 // long; calyx-lobes nearly triangu- 

 lar; top of the ovary woolly; pome globose, 

 about 3" in diameter. 



In dry rocky places, New York, New Jersey and 

 Pennsylvania. May. 



4. Amelanchier rotundifdlia 



(Michx.) Roem. Round-leaved 



June-berry. (Fig. 1988.) 



Mespilus Canadensis var. rolundifolia 



Michx. Fl. Bor. Am. i: 291. 1803. 

 Amelanchier Canadensis var. rotundifolia 



T. & G. Fl. N. A. i: 473. In part, 1840. 

 A. rotundifolia Roem. Syn. Mon. 3: 146. 1847. 



A tall shrub or small tree, sometimes 25 

 high. Leaves broadly oval, ovate or nearly 

 orbicular, i / -3 / long, obtuse or rounded at 

 both ends, or rarely subacute, often cordate 

 at the base, serrate nearly all around with 

 large teeth, or entire near the base, glabrous 

 from the time of unfolding or more or less 

 woolly when very young; racemes several- 

 flowered; pedicels slender, I'-i^' long in 

 fruit; calyx-lobes lanceolate; petals spatu- 

 late or oblanceolate, *>"-W long; pome 

 globose, $"-$" in diameter. 



In woods and thickets, New Brunswick to 

 Minnesota, New York and Michigan. May. 

 Fruit ripe in August, after that of A. Cana- 

 densis has fallen. 



