104 Kan'sas Academy of science. 



25. C. crus-galli, L.; Cockspur Thorn. Twigs, etc., glabrous; Ivs. thick, dark green, 



shining above, cuneate, obovate or oblanceolate, serrate above the middle; 

 petioles short; fr. globular, bright red; thorns straight and slender, 2''-3^ long. 

 June. 



26. C. coecinea, L.; Scarlet Haw, White Thorn, Red Haw. Twigs, etc., glabrous; Ivs. 



thin, roundish-ovate, toothed and cut or lobed; petioles slender; fr. bright 

 coral-red, ovoid. May. 



27. C. tomentosa, L.; Black Thorn, Pear Haw. Pubescent (at least when young) on 



peduncles, calyx, and lower surface of leaves; Ivs. thickish, oval or ovate- 

 oblong, toothed and cut, narrowed at base into a somewhat margined petiole; 

 fr. scarlet or orange, globular or pyroid. 



28. C. tomentosa, L. yav. punctata, Gray. — Like the last but with Ivs. wedge-obovate. 



with a longer tapering base, unequally toothed above, rarely cut; fruit globose. 



20. Amelanchier. Sekvioe Bebey. 

 9. A. Canadensis, T. & G.; June Berry, Service Berry. A small tree, wood heavy, 

 very strong. Lvs. sharply serrate, oval, or oblong-ovate, often cordate at 

 base, acuminate or mucronate, smooth; fls. white in early spring; fr. edible, 



ripe in June. 



( Order Sapotace;c.) 



21. Bumelia. 



30. B. lanuginosa, Pers.; Gumelastic, Shittem-Wood. Shrub or tree; wood heavy,. 



soft, weak; pedicels, calyx, and lower surface of lvs. tomentose pubescent. 

 Lvs. oblong-obovate or cuneate-obovate. 



31. B. lycioides, Giertn. ; Southern Buckthorn. Shrub or low tree; wood heavy, 



hard, not strong; pedicels and calyx glabrous and lvs. nearly so. Lvs. ob- 

 lanceolate or obovate-oblong, sometimes ovate lanceolate. 



(Order Ebenaceae.) 

 22. DiospYEOs. Pebsimmon. 



32. D. Virginiana, L.; Persimmon. A tree 20°-60° high; wood hard, blackish; lvs. 



ovate-oblong, nearly smooth, thickish; fr. plum-like, edible when ripe, very 



astringent when green. 



(Order Oleaceie.) 



23. Feaxinus. Ash. 



Branchlets and petioles glabrous, or glabrous throughout (a). 



Branchlets and petioles velvety pubescent (34). 



a. Lvs. entire, or obscurely subserrate (33). 



a. Lvs. serrate (6). 



b. Vigorous branchlets square; Ifts. 7-9; fr. lin.-oblong or cuneate-oblong(36). 



b. Branchlets terete; Ifts. .5-9; fr. tapering from summit to base (35). 



33. F. Americana,!^.; White Ash. A large tree; wood heavy, hard, strong, ultimately 



brittle; branchlets and petioles glabrous; Ifts. 7-9, ovate to oblong-lanceolate, 

 pale or whitish beneath. Fr. \l/ long; body of fr. completely terete. 



34. F. puftescens, Lam.; Red Ash. Tree middle-size or large; wood heavy, hard, strong 



and brittle, coarse-grained, young parts velvety pubescent. Lfts. mostly 5, 

 ovate or oval, lV-2^ long; fr. l^''-2' long, its body more or less margined up- 

 ward. 



35. F. viridis, Mx.; Green Ash. Small or middle-sized tree; glabrous; wood heavy, 



hard, strong, brittle; lfts. 5-9, bright-green, oblong-lanceolate to ovate; fruit 

 V-lV long; its body more or less margined upward. 



