no OLIVE FAMILY 



or slightly hairy below, 6-12 cm. long, 2-5 cm. wide, petioles slightly 

 hairy, 5-7 cm. long; flowers dioecious, calyx persistent in the pistillate 

 flower; fruit paddle-shaped, the wing almost wholly terminal, 3-4 cm. 

 long, 6-7 mm. wide; americana, American, native to this continent. 



Somewhat common throughout the state, except westward and far 

 northward; NS-Fla-Tex-Minn. 



Wood brown, coarse-grained, strong, tough, hard, weight 41 lbs.; 

 used in large quantities in agricultural implements, carriage-building, 

 furniture, interiors, oars, and tool handles. The inner bark has some 

 use in medicine. An excellent ornamental but less valuable than green 

 ash for the Northwest. 



Fraxinus lanceolata B o r c k h a u s e n 1800 Green Ash 

 F. viridis Michaux 1813 

 F. pennsilvanica lanceolata Sargent 1894 



Medium tree, 30-50 ft. high, y 2 -2 ft. diam. ; bark gray or yellow-brown 

 with shallow furrows ; leaves smooth or nearly so, of 5-9 leaflets, 2-3 dcm. 

 long, leaflets ovate-lanceolate to ovoid or obovoid, margin with coarse, 

 usually shallow teeth, tip long-pointed, base more or less rounded, smooth 

 and green on both sides, slightly paler below, 6-12 cm. long, 2-5 cm. 

 wide, petioles slightly hairy, 4-6 cm. long ; flowers dioecious, calyx per- 

 sistent ; fruit winged down the sides, 4-5 cm. long, 6-7 mm. wide; 

 lanceolata, lance-shaped, probably in reference to the leaves. 



Common throughout the state; Vt-Fla-Tex- Ariz-Saskatchewan. 



Wood essentially as in the red ash, Fraxinus pennsilvanica. 



Fraxinus quadrangulata Michaux 1803 Blue Ash 



Large tree, 30-80 ft. high, 1-3 ft. diam.; bark gray, scaly; twigs 

 four-sided, winged, and more or less velvety when young; leaves smooth, 

 or with white tufts of hairs on the veins below, of 7-11, usually 9, 

 leaflets, 2-3 dcm. long, leaflets lanceolate or ovate-lanceolate, more or 

 less wavy-toothed, tip very long-pointed, base rounded, smooth on both 

 sides or slightly hairy or hairy tufted below, 6-12 cm. long, 2j^-5 cm. 

 wide, petioles smooth, 5-8 cm. long; flowers dioecious, calyx usually dis- 

 appearing in fruiting; fruit oblong or oblong-wedge-shaped, the wing 

 extending completely around, 2 l / 2 -Z cm. long, 1 cm. wide; quadran- 

 gulata, four-angled, referring to the twigs. 



Rarely cultivated ; not known to occur native in the state ; Mich-Ala- 

 Mo-Ia. 



