248 Celastraceae 
CC. Leaflets mostly crenate, the lateral ones sessile. W. 
R. diversiloba Torr. (Poison Oak) 
CELASTRACEAE Staff-tree Family 
Shrubs (ours) or trees, often climbing (not ours). Leaves alternate or opposite, 
simple; stipules none or small. Flower regular, usually perfect, small; pedicels usually 
jointed. Calyx 4—5-lobed or -parted, persistent. Petals 4—5, spreading. Stamens on 
the disk, alternate with the petals. Disk conspicuous. Ovary sessile, distinct or united 
with the disk, |—5-celled; styles short, thick; stigma entire or 2—5-lobed; ovules 24 
in each cell. Fruit a capsule or follicle, fleshy or membranous. 
A. Leaves opposite, ovate to lanceolate, serrulate; branches not spiny; stamens 4 or 
5; flower-parts in 4’s or 5’s. 
B. Shrub | m. or less high; leaves evergreen, 1.2—2.5 cm. long; flower-parts in 
4’s; ovary 2-celled. PACHISTIGMA (p. 248) 
BB. Shrub 2—5 m. high; leaves deridaoen 5—10 cm. long; flower-parts i in 5's; 
ovary 3—5-celled. Euonymous (p. 248) 
AA. Leaves alternate, deciduous, oblanceolate, entire: branches spiny; stamens 10: 
flower-parts in 5’s. : FORSELLESIA (p. 248) 
PACHISTIMA 
Plant 3—9 dm. high (ours). Leaves opposite, evergreen; in ours smooth, ovate to 
lanceolate, serrulate above, 1.2—-2.5 cm. long. Flowers axillary, solitary or in few-flow- 
ered cymes. Calyx-tube short, obconic; lobes 4, rounded. Petals 4. Stamens 4. 
Disk wide, lining the calyx-tube. Ovary free, 2-celled. Capsule 2-valved, 1—2-seeded. 
Seed in a white many-cleft membranous covering. (Gk. pachis=thick, +stigma.) W. 
Cake P. myrsinites Raf. 
EUONYMOUS . SPINDLE-TREE 
Ours 2~—5 m. high, smooth, straggling; branches 4-angled, greenish (ours). Leaves 
opposite, deciduous; in ours ovate to oblong-lanceolate, acuminate, smooth, serrulate, 
5—10 cm. long; stipules small, deciduous. Flowers in cymes; cymes axillary, I- to 
many-flowered. Calyx-segments 5 (ours), widely spreading. Petals 5 (ours). Stamens 
4—5 (5 in ours), very short, on a broad ring-like disk. Ovary 3—5-celled. Style 
short or none. Capsule 2—6-lobed, 3—5-valved, loculicidal, coriaceous, colored, often , 
warty (not ours). Seeds 1—4 in each cell, covered with a fleshy red pulp. (Gk. 
eu==good, onoma—name:; applied in irony, since it was thought to poison cattle.) W. C. 
nae ) E. occidentalis Nutt. (Western Wahoo) 
Ca} sh 
FORSELLESIA. (Glossopetalon) 
ee rigid, 6—9 dm. high (ours). Branches slender, spiny. Leaves alternate, 
entire, oblanceolate (ours), petioled (ours), small, separating in age from a scale-like 
base which bears 2 stipules; stipules setaceous-subulate, adherent to the scales. Flowers 
solitary, axillary. Disk 8—10-lobed. Petals white (ours), near margin of disk. Sta- 
‘mens 8 or 10. Pistil simple; ovary ovoid; style very short or none; stigma entire or ob- 
scurely 2-lobed (ours); ovules 2. Fruit a follicle, firm, coriaceous, opening down the 
ventral suture, |—-2-seeded. (Origin?)  E. 
F. spinescens Gr. 


