330 POMACEAE 
showy, in a flat or flattish cluster, the flower stalks of the outer rows 
being longer than those at the center; the center flowers blooming first. 
Calyx of 5 acute lobes, urn-shaped. Petals 5, stamens numerous, styles 
usually 5, Fruit containing many grit-cells; not depressed where at- 
tached to stem. 
P. communis, L. (Fig. 5, pl. 71.) Pear. Tree well known in culti- 
vation and found also wild, escaped from cultivation. 
3. MALUS, Juss. 
Trees and shrubs, with simple leaves; with umbel-like clusters of 
flowers; fruit fleshy without grit-cells, depressed at stem attachment. 
Leaves often heart-shaped at base . © Ve aes en IM Msylvestens 
Leaves not heart-shaped, Benet near ly triangular = eo.) =) MS coronaire 
Leaves narrowly oblong . . eet - w: s « MM. angusifoha 
1. M. sylvestris, (L.) Mill, Nee (M. Malus, (L.). Britton.) 
Leaves broad egg-shaped, more or less heart-shaped at base, or roanded, 
point tapering, smooth above, silky hairy beneath. Fruit globose, de- 
pressed at insertion of stem. In woods, escaped from cultivation. Southern 
New York, New Jersey and Pennsylvania. 
2. M. coronaria, (L.) Mill. (Fig. 4, pl. 71.) American Crap Ap- 
PLE. A tree, smaller and more slender than the common apple. Leaves 
broadly egg-shaped or triangular, with lobes toward the base. Borders 
deeply serrated. Flowers white or rose color. Fruit 1 in. to 14 in. 
diameter, globular, or the stem insertion slightly depressed. In thickets, 
occasional throughout our area. 
3. M. angustifolia, (Ait.) Michx. Narrow-LeEAvepD CRAB APPLE. 
Small tree resembling No. 2, but leaves are narrow-oblong or lance-form. 
, Fruit rather smaller than No, 2. Occasional in southern part of our area. 
4. ARONIA, Pers. 
Low shrubs with fruit resembling the huckleberry in size and form 
and with leaves oblong or lance-shaped. Flowers in terminal compound 
clusters. Calyx of 5 lobes; petals 5, spreading; stamens numerous; styles 
3 to 5 united at base. 
Brut ced) .Flower “cluster, hatrvs +45) Ssauee fede) Lice laemce ret. sete arbutifolia 
Fruit black. Flower cluster not hairy . . . .:. .» . « « A. igre 
l. A. arbutifolia, (L.) Ell. (Fig. 2, pl. 71.) Bes CHOKE BERRY. 
Shrub, 1 to 4 ft. high; leaves oblong or inversely lance-shaped, silky be- 
neath. Compound clusters of flowers silky. Flowers white or tinged 
with red. Fruit 1/6 to 1/4 in. diameter, astringent. Swamps and damp 
thickets. March-May. 
2. A. nigra, (Willd.) Britton. (Fig. 3, pl. 71.) Brack CyHoKr 
Berry. Leaves similar, but sometimes more and at other times less 
pointed than those of No. 1. Compound eluster of white or reddish 
flowers without hairs on the flower stems. Moist shady places. March- 
June. 
5. AMELANCHIER, Medic. 
Shrubs or trees. Leaves simple; stems unarmed; flowers in clusters, 
white. Calyx of 5 parts; corolla of 5 petals; stamens numerous; pistils 
5, joined below. Fruit a berry with 10 seeds, when all mature. 
