ANNONACEAE 529 
Famity 3. ANNONACEAE — CUSTARD-APPLE FAMILY 
Shrubs or trees with uniform or dimorphous stems. Leaves alternate, 
estipulate: ode entire, pinnately veined and often pn retie jeu- 
t lowers perfect, monoecious, or dioecious, solitary 1 
axils, paired, or in threes. Calyx of 3 a ~ epals. Corolla much 
larger than the calyx, of 6, (9, or 12) petals dee um of ma 
stamens: anthers blunt. Gynoe eclum of few or many carpels or Doer 
of one earpel. Fruit berry-like, clustered (solitary by abortion), or ag- 
gregate. Seeds arillate, with rumihate endosperm erm.—About 48 genera m 
550 species, most abundant in the tropies. 
Carpels few and distinet or solitary, borne on a flat or globular receptacle: petals 
thin-edged, imbricate in the bud, herbaceous or coriaceous : E aa Be lene 
Carpels numerous, confluent with each other and with the dicneate 
recentacle: petals oo edged,. valvate in the bud, felt-like: 
anther-sacs contiguou TRIBE II. ANNONEAE. 
MINEAE 
Receptacle hemispheric or glo obul petals relatively 
broad, those of the 2 series dissimilar 
Petals impressed veiny within; inner merely concave 
at base; leaf-blades membranous. 1. ASIMINA. 
p n impressed veiny ; inner corrugated within at 
base; leaf-blades coriaceous. 2.. PITYOTHAMNUS. 
Receptacle flat: petals narrow, of a linear type: those of 
2 or 3 series not very dissimilar. 3. DEERINGOTHAMNUS. 
II. AN 
Tree or "Ru of low situations: berry eerie sealy or 
muricate 4, ANNONA. 
1. ASIMINA ‘an Shrubs or trees with heavy-scented foliage. 
Leaves promptly deciduous: blades membranous, pinnately veined, not reticu- 
late. Flowers inconspicuous, solitary in the axils of last year’s leaves. rolla 
lurid- -green to dark-purple: petals much larger I the sepals, stiff, ereet and 
recurved at the tip. Ovules few-several. Berri s pulpy, solitary or 2—4 to- 
gether, edible.—Following are the only known species.—Spr.—PAWPAWS. 
CUSTARD-APPLES.—The flowers are nearly or quite full-grown when they open. 
Corolla over 3 em. wide: sepals 12-14 mm. long: seeds decidedly 
flattened, 2-3 cm. long. 1. A. triloba. 
E enn Lu 1.5 em. wide: sepals 5-7 mm. long: seeds 
urgi -1.5 cm. long. 2. A. parviflora. 
1. A. triloba (L.) Dunal. Shrub, or pain tree up to 12 m. tall: leaves nar- 
. lo 
rowly obovate to cuneate-obovate, 10-80 e ong, acuminate: “pedicels 10 mm 
i ovate: ^T 
long, glabrous or sparingly pubesc "n 
ries ellipsoid to somewhat cylindrie, T. 16 e 
long.— ANA. PAWPAW- APPLE.) 
River banks and rieh woods, various prov- 
inces, Fla. to Tex., Nebr., Mich., and Ont.— 
Efforts are nu being made to grow the fruit 
commer 
H na Rp Shrub 4 
m. tall o piae leaf-blades eum elliptic- 
