734 CELASTRACEAE 
amous or dioecious, regular, commonly pedicellate. Calyx of 4-5 imbricated 
sepals. Disk fleshy, or rarely none. Corolla of 4-5 petals, usually inserted 
under the disk, imbricated, not clawed. Androecium of 4-5 stamens inserted 
beneath, on the margin of, or on the upper side of the disk. Filaments terete 
or nearly so. Anthers introrse. Gynoecium a compound pistil. Ovary com- 
monly merging into the disk, with 2-5 cavities. Styles short or wanting. 
Stigma 2-5-lobed. Ovules solitary or 2-many in each cavity, erect or suspended, 
anatropous. Fruit a capsule, drupe or berry, sometimes winged. Seeds soli- 
tary or several in each cavity, often enclosed in the bright-colored aril. Endo- 
sperm copious, fleshy or oily. Embryo straight. 
Fruit capsular, dehiscent. 
Leaves opposite. 
Ovary 3-5-celled : capsule 3-5-lobed, 3-5-valved : aril red. 1. EUONYMUS. 
Ovary 2-celled : capsule not lobed, 2-valved : aril white. 2. PACHYSTIMA. 
Leaves alternate. 
Climbing shrubs: ovary free. 3. CELASTRUS. 
Erect shrubs : ovary confluent with the disk. 4. MAYTENUS. 
Fruit drupaceous, indehiscent. 
Gynoecium 2-carpellary or 4-carpellary : stigmas 2 or 4. 
Flowers perfect: ovary 4-celled. 5. CROSSOPETALUM. 
Flowers dioecious : ov: 2-celled. 
Leaves opposite: ovules pendulous. 6. GYMINDA. 
Leaves alternate: ovules erect. 7. SCHAEFFERIA. 
Gynoecium 5-carpellary : stigmas 5. 8. MORTONIA. 
1. BUÓNYMUS L. 
Shrubs or trees, or rarely vines, with commonly 4-angled branches. Leaves oppo- 
site : blades entire or toothed, deciduous: stipules caducous. Flowers solitary or cymose. 
Sepals 4-5, spreading or recurved. Petals 4—5, inserted under the disk, entire, toothed or 
fringed. Stamens 4-5, inserted on the disk: filaments mostly very short: anther-sacs 2, 
diverging. Disk flat, 45-lobed. Ovary in the disk, with 3-5 cavities: stigma with 3-5 
inconspicucus lobes, Ovules usually 2 in each cavity, ascending. Capsule 3~-5-lobed, 
angled or winged, smooth or echinate, opening loculicidally. Seeds 2 in each cavity sur- 
rounded by an aril. 
Stems creeping, trailing or spreading : capsules covered with spiny warts. 
Leaves oval or lanceolate, usually acute or acuminate. 1. E. Americanus. 
Leaves obovate, usually obtuse. 2. E. obovatus. 
Stems erect: capsules smooth. 3. E. atropurpureus. 
1. Buonymus Americànus L. A glabrous shrub 2-20 dm. tall, with creeping or 
horizontal stems. Leaf-blades varying from oval to lanceolate, 2-10 cm. long, acute or 
acuminate, serrate, dark green above, paler beneath, short-petioled : flowers solitary or 3ona 
slender or filiform peduncle 1-2 cm. long: sepals narrowly reniform, almost 3 mm. broad, 
erose : corolla greenish purple, 8-12 mm. broad : petals 3-4 mm. in diameter, suborbicular, 
undulate : capsules 1.5-2 cm. in diameter, 3-5-lobed, covered with bristly warts: seeds with 
scarlet arils. 
On river banks, New York to Illinois, Florida, Arkansas and Texas. Summer.—The form with 
linear-lanceolate nearly entire leaf-blades 5-8 cm. long, is Æ. Americanus bifldrus (Raf.) Gardner. 
STRAWBEREY BUSH. 
. 2. Euonymus obovàtus Nutt. A spreading diffuse glabrous shrub 2-6 dm. = 
with trailing stems. Leaf-blades obovate, 2-6 cm. long, obtuse or short-acuminate € 
sometimes acute, finely serrate, rather dull green above, paler beneath, often cuneately 
narrowed into short petioles : flowers 1 or 3 on slender or filiform peduncles 1-3 cm. -— 
sepals reniform, nearly 3 mm. broad, erose: corolla greenish purple, 6-8 mm. bro 3. 
p suborbicular, sessile, broader than long, erose: capsules 1.5-2 cm. in diameter, 
obed, covered with bristly warts, crimson : seeds with scarlet arils. 
On river banks, Ontario to Pennsylvania, Illinois and Tennessee. Spring. STRAWBERRY vet 
_ 3. Euonymus atropurpüreus Jacq. A shrub or small tree, sometimes 8 m. tal 
its trunk reaching a diameter of 2 dm. f-blades oblong, elliptic oval, ovate or pedir 
5-16 cm. long, acute or acuminate, serrate, dark green and glabrous above, more OF ess 
pubescent beneath, acute or rounded at the base; petioles 8-15 mm. long: cymes twice or 
thrice forked: peduncles 4-8 cm. long: sepals usually 4, reniform, 2.5-3 mm. broad : 
corolla dark purple, 10-12 mm. broad : petals 4, orbicular-ovate, or suborbicular, 2-9 mm. 
long, obtuse : capsules 4-lobed, pendulous, depressed, the lobes wing-like : seeds 8-10 mm. 
long, the arils scarlet. 
. On river banks. New York to Montana, Florida, Arkansas and the Indian Territory. Spring. 
WAAHOO. SPINDLE TREE. BURNING BUsH. BLEEDING HEART. 
