The Trees of Texas 151 
FRAXINUS (Tourn.) L. Ash. 
Trees with opposite, odd pinnate leaves, and furrowed 
bark; flowers in axillary clusters, and staminate and pistil- 
late on different trees: fruit a samara. 
fr etioles and leaf rachis winged. ......-ccecess 1. F. Greggii. 
2. Petioles and leaf rachis not winged. 
(1) Lateral leaflets sessile or short stalked.... 2. F. velutina. 
(2) Lateral leaflets distinctly stalked. 
a. Shoots and main axis of leaf hairy or 
SOON ah BN rs, Sarena ria ed ace i nS Bea eae 3. F. Pennsylvania. 
b. Shoots and main axis of leaf smooth. 
(a) Wing of the fruit extending down 
on the body almost to the base. 
x. Body of the fruit flattened. 
ape WEG SS ee on ee 4. F. Caroliniana. 
“TO S20 ES Fo My ee ee Spee ee 5. F. cuspidate. 
y. Body of the fruit round or 
nearly so. 
ELE GM bit 3 i151 0 ge 27a ole en ee 6. F. Berlandieri. 
ie eAM eI 8 afd «oie ee ee 7. F. Toumeyi. 
(b) Wing of the fruit terminal or 
nearly so. 
x. Leaflets mostly 5 sometimes 7.. 8. F. Texensis. 
wo eateisn. 5-9. Mastly fies oss ks 9. F. Americana. 
1. Fraxinus Greggi Gray. Gregg’s Ash. A small tree 
20°-25° high with thin, gray, scaly bark and smooth twigs. 
Leaves with petiole and rachis winged, leaflets 3-7, sessile. 
Fruit in small clusters in the axils of leaves. On dry lime- 
stone cliffs western Texas and northern Mexico. 
2. Fraxinus velutina Torrey. Velvety Ash. A round 
topped tree 30°-40° high and 6’-8’ in diameter with stout 
spreaaing branches, rough, reddish green bark, and velvety 
twigs. Leaves unequally pinnate, velvety on lower surface; 
leaflets 3-9, lanceolate to ovate, sessile, yellowish green, leath- 
ery. Flowers dioecious, the staminate and pistillate on dif- 
ferent trees. Seed of the samara round, the wing extending 
down only about one-fourth of the length of the seed. West- 
ern Texas, New Mexico, Arizona, Nevada and southern Cali- 
fornia. 
3. Fraxinus Pennsylvanica Marshall. Red Ash. A me- 
dium sized tree 50°-60° high with dense crown, brown fis- 
