MALACEAE 635 
1. A. arbutifolia (L.) Ell  Shrub sometimes reaching a height of 3.5 m.: 
leaf-blades oval, elliptie or ` obovate, rare or abruptly short-pointed at the 
t the 
cymes termi inal, but à t length overtopped 
the young ste rile pud corolla white or 
purplish-tinged, 8-12 mm. broad: pome 4-6 
mm. in diameter, long- ent: [Pyrus 
arbutifolia erythrocarpa Michx. |— (RED 
-BE 
often in acid "m ibe provinces, Fla. to 
La., Minn., and N. 8. 
2, A. atropurpurea Britton. Shrub reach- 
e similar 
species: pome oval C iy 6-10 mm 
long, purple- UE PLE- pod ERRY.) 
—Acid swamps and bogs, various provinces, Fla. to N. S. 
3. A. melanocarpa (Michx.) Ell. pe ee the preceding are a 
larger: leaf-blades obovate or oval, obtuse, acute, or abruptly acuminate a 
j nulate: flower ila 
apex, narrowed uneate at the 
the sud Ta hypanthium and pedicels nearly glabrous: pome e 
or ov in diameter. [Pyrus arbutifolia melanocarpa Michx. 
nigra *(Willd.) ‘Britton. ]—(BrAcK CHOKEBERRY.)—Rocky woods and swamps, 
various provinces, Fla. to Mich. and N. Y. 
5. AMELANCHIER Medic. Leaf-blades simple, toothed or rarely poe 
Panicles raceme-like, simple. Corolla white. Pome berry-like, globular.—Abou 
25 species, natives of the north temperate zone.—Wint.-spr.—4J UNEBERRIES. 
SERVICE-BERRIES. ME ets as ornamentals for their early pro- 
fusion of flowers. The wood is used for tool handles and other small objects. 
The fruits which ripen in late spring or early summer in the south are edible. 
Leaf-blades with fine teeth (5—12 per cm. on average leaves), and irregular, un- 
equally spaced veins and usually irregular intermediate ones. 
Leaf-blades densely white-tomentose when young, becom- 
ing green: panicles with the lower pedicels 10—25 
mm. lo : 
pee elas rounded at the apex or rarely or individ- 
y subacute or mucronate: hypanthium 3-5 
mm. wide: sepals uod or triangular-lance- 
ate: petals 7-9 mm. lon 
Len biades of an "elliptic type generally, with 
10-15 pairs of veins: hypanthium campanulate: 
ovary glabrous or nearly so on top. 1. A. oblongifolia. 
Leaf-blades of an oval type generally, with 7—11 
S of veins: hypanthium  saucer-shaped: 
woolly on to 2. A. stolonifera. 
ry 
Leaf-blades acuminate, sometimes abruptly so, E T 
cidedly acute: hypanthium 2.5-3 mm 
Sepa. tri oe ovate or nearly deltoid : petals 
10-14 m ng. 
Ovary glabrous on top: sepals permanently thin, 
reflexed, without a midrib. 3. A. canadensis. 
Oras pubescent on top: sepals thick in fruit, not 
reflexed, with a midrib. . A. alabamensis. 
Leaf-blades Bears. or qui uite glabrous from the first: pan- 
icles with the lower pedicels 30—50 mm. long in e 5. A. laevis. 
Leaf-blades with coarse teeth (mostly 3—5 per cm. on aver- 
age leaves), and usually PL parallel, close-set veins, 
with few or no intermediate ones , A. sanguinea, 
