258 
STYRACEA. (STORAX FAMILY.) 
Shrubs or trees, with alternate simple leaves destitute of stipules, 
perfect regular flowers, calyx either free or adherent to the 2 to 5-celled 
ovary, corolla of 4 to 8 petals commonly more or less united at base, 
stamens twice as many as the petals or more numerous (monadelphous 
or polyadelphous at base), single style, and a dry or drupe-like 1 to 5- 
celled fruit (the cells commonly 1-seeded). 
1. STYRAX Tourn. (StTorax.) 
Shrubs or smalls trees, with commonly deciduous leaves, seurfy or 
stellate pubescence, axillary or leafy-racemed white and showy flowers 
on drooping peduncles, truncate somewhat 5-toothed calyx (the base 
coherent with the base of the 3-celled many-ovuled o vary), large 
5-parted corolla with mostly soft-downy lobes, stamens twice as many 
as the lobes of the corolla with flat filaments united at base into a short 
tube, linear adnate anthers, and a globular 1-celled mostly 1-seeded dry 
often 3-valved fruit with base surrounded by the persistent calyx. 
1. S. pulverulenta Michx. Low shrub, 3 to 12 dm. high: leaves small (2.5 to 5 
cm. long), oval or obovate, commonly entire, mostly acute at both ends, often acumi- 
nate, pubescent or scurfy and hoary beneath, rarely 5 cm. long on flowering stems: 
flowers 1 to 3 together in the axils and at the tips of the branches, fragrant: calyx 
and inflorescence more or less canescent.—Extending into Texas from the pine-barren 
swamps of the Gulf States. 
2. S, platanifolia Engelm. Shrub 36 dm. high, green and glabrous or nearly so: 
leaves roundish, with subcordate or truncate broad base and slender petiole, undu- 
late or angulate-toothed, or even sinuate-lobed, sometimes abruptly acuminate, retic- 
ulate-veiny, 5 to 10 cm. in diameter: even the pedicels and calyx glabrous or nearly 
so.— Wooded bottoms of southern and central Texas, 
OLEACEH. (OLIVE FamILy.) 
Trees or shrubs, with opposite and pinnate or simple leaves, a 4-cleft 
(or sometimes obsolete) calyx, a regular 4-cleft or nearly or quite 4-pet- 
alous corolla, sometimes apetalous, only 2 stamens (rarely 3 or 4), and 
a 2-celled ovary with 2 (rarely more) ovules in each cell. 
* Fruit dry, indehiscent, winged, a samara: leaves pinnate, 
1, Praxinus. Ilowers diwcious, mostly apetalous, sometimes also without calyx. 
* * Fruit a drupe, or rarely a berry: leaves simple. 
2. Forestiera. Flowers apetalous, dicecious or polygamous, from a scaly catkin- 
like bud: stamens 2 to 4. 
3. Chionanthus. Flowers complete, sometimes polygamous: calyx and corolla 
4-merous, the latter with long and linear divisions. 
* * * Fruit a didymous or 2-parted pod: calyx and corolla 5-merous or more: leaves 
entire or pinnately lobed. 
4. Menodora. Calyx 5 to 15-cleft, with mostly linear lobes and persistent; 
corolla from rotate to salverform: pod oircumscissile. 
