AMELANCHIER. XLVII. ROSACEA. 245 
§ § Leaves simple. Cymes compound. Styles united at base. - 
5. P. arputirouia. Linn. f. (Mespilus. Linn. Aronia. Pers.) Choke Berry. 
Las. oblong-obovate or oval-lanceolate, obtuse or acute, crenate-serrulate, 
smooth above, tomentose beneath when young, attenuate at base into a short 
petiole; ped. and cal. when young, tomentose ; fr. pyriform or subglobose, dark 
red.—Low, moist woodlands, U.S. and Can. A shrub 5—8f high. Leaves 1 
—2’ long, 4 as wide, often subacuminate, subcoriaceous, serratures small, with 
a glandular, incurved point; petioles 2—4” long. Flowers white, in compound, 
terminal corymbs of 12or more. Fruit astringent, as large as acurrant. May Jn. fF 
B. melanocarpa. Hook. (P. melanocarpa. Willd.)—Lvs., cal. and ped. gla- 
brous or nearly so; fr. blackish-purple—Swamps. Height 2—4f. 
§ §§ Leaves pinnate. Cymes compound. Styles distinct. 
6. P. Americana. DC. (Sorbus Americana. Ph.) Mountain Ash. 
Lfits. oblong-lanceolate, acuminate, mucronately serrate, smooth, subses- 
sile ; cymes compound, with numerous flowers; pome small, globose ; sty. 3—5. 
—A small tree in mountain woods, N. Eng. and Mid. States. Trunk 15—20f 
high, covered with a reddish-brown bark. Leaves 8—12’ long, composed of 9 
—15 leaflets. Leaflets 2—34’ by 3—1’, subopposite, often acute, on petioles 1” 
in length. Flowers small, white, in terminal cymes, of 50—100 or more. Fruit 
scarlet, 2—3” diam., beautiful. May.f 
B. microcarpa. T. & G. (P. microcarpa. DC. Sorbus microcarpa. Ph.)— 
Fy. smaller. 
7. P. aucuparta. English Mountain Ash—Lfts. as in P. Americana, except 
that they are always smooth on both sides, and, with the serratures, less acute 
at apex; jis. corymbose; fr. globose—Native of Europe. A tree 20—40f high, 
often cultivated as well as the last species, for its ornamental clusters of scar- 
let berries. It is a tree of larger size and rougher bark than the last, but is 
hardly to be distinguished by the foliage, flowers or fruit. F 
8. CYDONIA. Tourn. 
Named for Cydonia, a town in Crete, from whence it was brought. 
Calyx urceolate, limb 5-cleft; petals 5; styles 5; pome 5-carpeled; 
carpels cartilaginous, many-seeded ; seeds covered with mucilaginous 
pulp.— Trees or shrubs. Lvs. simple. ls. mostly solitary. 
C. vutcaris. Pers. (Pyrus Cydonia. Willd.) Quince.—Luws. oblong-ovate, 
obtuse at base, acute at apex, very entire, smooth above, tomentose beneath; 
ped. solitary, and, with the cal., woolly ; pome tomentose, obovoid.—Shrub 8—12f 
(rarely 20f) high, with crooked, straggling branches. Leaves about as large 
as those of the pear tree. Flowers white, with a tinge of purple, large, termi- 
nal. Fruit large, lengthened at base, clothed with a soft down, yellow when 
ripe, highly esteemed for jellies and preserves.—The plant is reared from layers. 
10. AMELANCHIER. Medic. 
Calyx 5-cleft; petals 5, oblong-obovate or oblanceolate; stamens 
ehort; styles 5, somewhat united at base; pome 3—5-celled ; cells 
partially divided, 2-seeded.—Small trees or shrubs. Lws. simple, ser- 
rate. Els. racemose, white. 
A. Canapensis. Torr. & Gray. (Mespilus. Linn. Aronia. Pers. Pyrus 
Botryapium. Linn. f. Mespilusarborea. Michz.) Shad Berry. June 
Berry. Wild Service Berry—Luws. oval or oblong-ovate, often cordate at 
base, acuminate or cuspidate or mucronate, sharply serrate, smooth; rac. loose, 
elongated ; seg. of the cal. triangular-lanceolate, nearly as long as the tube; pet. 
linear-oblong or oblanceolate; fr. purplish, globose—A small tree or shrub, 
found in woods, U.S. and British Am., rarely exceeding 35f in height. Leaves 
alternate, 2—3’ long, downy-tomentose when young, at length very smooth on 
both sides, very acute and finely serrate. Flowers large, white, in terminal 
racemes, appearing in April and May, rendering the tree quite conspicuous in 
the yet naked forest. Fruit pleasant to the taste, ripening in June. 
