OLEACEAE. 



VOL. II. 



4. Fraxinus Michauxii Britton. Michaux's 



Ash. Fig. 3317. 



Fraxinus Michauxii Britton, Man. Ed. 2, 1075. 1905. 

 A tree, attaining a height of 40 or more, the 

 bark rough and fissured, the young twigs gla- 

 brous or velvety. Leaflets 5-9, stalked, firm in 

 texture, oblong-lanceolate, entire-margined, or 

 slightly undulate, 4'-$' long, 1-2*' wide, acute, 

 dark green above, pale green, and more or less 

 pubescent, at least on the veins beneath ; flowers 

 dioecious; samara broadly spatulate, ii'-2' long, 

 4 "-5" wide, the thick blunt or notched wing as 

 long as or longer than the linear, nearly round 

 body and decurrent upon it to or about the 

 middle. 



Wet grounds, southern New York to Indiana and 

 North Carolina. April-May. 



5. Fraxinus pennsylvanica Marsh. Green, 

 Red, Blue or Black Ash. Fig. 3318. 



Fraxinus pennsylvanica Marsh. Arb. Am. 51. 1785. 

 Fraxinus pubescens Lam. Encycl. 2: 548. 1786. 

 Fraxinus lanceolata Borck. Handb. Forst. Bot. i: 



826, 1800. 



Fraxinus viridis Michx. f. Hist. Arb. Am. 3: 115. 

 pi. 10. 1813. 



A tree with maximum height of about 65 and 

 trunk diameter of 3, glabrous or nearly so 

 throughout, or the twigs and leaves more or less 

 pubescent, sometimes densely so. Leaflets 5-9, 

 stalked, entire or denticulate, ovate or oblong- 

 lanceolate, acuminate or acute at the apex, mostly 

 narrowed at the base, green on both sides, 2' -6' 

 long, i '-2' wide; flowers dioecious, the calyx of 

 the pistillate persistent; anthers linear-oblong; 

 samara i'-2' long, the usually spatulate wing de- 

 current on the sides of the body sometimes to below the middle. 



Moist soil, New Brunswick to Minnesota, 

 Florida and Texas. Wood hard, strong, brown ; 

 weight per cubic foot 44 Ibs. Water-, swamp- or 

 river-ash. April-May. 



Fraxinus campestris Britton, with the lateral 

 leaflets sessile, is a similar tree of the western 

 plains, ranging eastward into Kansas. 



6. Fraxinus profunda Bush. Pumpkin 

 Ash. Fig. 3319. 



Fraxinus americana profunda Bush, Ann. Rep. Mo. 



Bot. Card. 5: 147. 1894. 

 Fraxinus profunda Bush ; Britton, Man. 725. 1901. 



A tree up to 120 high, the thick bark gray 

 and fissured, the young twigs velvety or 

 smooth. Leaves large; leaflets 7-9, ovate- 

 lanceolate to oblong-lanceolate, stalked, acumi- 

 nate at the apex, bright green above, paler and 

 pubescent or velvety beneath. 10' long or less, 

 the margins entire or nearly so ; samara linear- 

 oblong or slightly spatulate, 2'-$' long. 4." -6" 

 broad, the rather thick, often notched wing 

 longer than the linear, flattened seed-bearing 

 part, and decurrent upon it to or below the 

 middle. 



In swamps, Virginia to western New York. Illi- 

 nois, Missouri, Florida and Arkansas. April-May. 



