408 TREES OF NORTH AMERICA 



8. Crataegus Palmeri Sarg. 



Leaves broadly oval to oblong, rounded, acute or short-pointed at apex, gradually nar- 

 rowed and cuneate at the entire base, and coarsely serrate above with straight gland-tipped 

 teeth, nearly fully grown when the flowers open during the first week in May, and then very 

 thin, dark green and lustrous above, pale bluish green below, and at maturity coriaceous, dark 

 green and lustrous on the upper surface, paler on the lower surface, l|'-2' long, and li'-lf ' 

 wide, with a slender yellow midrib and 4 or 5 pairs of very thin primary veins; petioles 

 stout, rose-colored in the autumn, about f in length; leaves at the end of vigorous shoots 



Fig. 360 



oblong-ovate to elliptic, usually acute, coarsely serrate, occasionally laterally lobed, glandu- 

 lar at base, 2'-3' long, and H'-2' wide. Flowers about \' in diameter, on slender pedicels, 

 in many-flowered corymbs; calyx-tube narrowly obconic, the lobes slender, acuminate, 

 tipped with small dark glands, entire or slightly serrate; stamens 10; anthers pale yellow: 

 styles 3, surrounded at base by a thin ring of pale tomentum. Fruit ripening in October, 

 on slender elongated pedicels, in few-fruited drooping clusters, subglobose, dull green tinged 

 with red or cherry-red, marked by large pale dots, about |' in diameter; calyx sessile, with 

 erect and incurved lobes mostly persistent on the ripe fruit; nutlets 3, thin, acute at the 

 ends, slightly and irregularly ridged on the back with a low grooved ridge, j'-fV long. 



A tree, sometimes 25 high, with a trunk often a foot in diameter, covered with smooth 

 pale bark, stout wide-spreading branches forming a broad round-topped symmetrical head, 

 and slender nearly straight glabrous, bright chestnut -brown branchlets armed with thin 

 straight dark red-brow r n shining spines f '-3' long. 



Distribution. Southwestern Missouri, usually in low rich soil; common near Carthage 

 and Webb City, Jasper County, and near Noel, McDonald County. 



9. Crataegus erecta Sarg. 



Leaves oval to obovate, acute and short-pointed at apex, cuneate and entire at base, and 

 finely glandular-serrate, when they unfold often villose with a few short caducous pale 

 hairs on the upper side of the midrib, nearly fully grown when the flowers open early in 

 May, and at maturity thin and firm in texture, dark dull green on the upper surface, pale 

 on the lower surface, l^'-2' long, and l'-l j' wide, with a slender midrib, and thin prominent 

 primary veins; in the autumn turning dull orange color; petioles slender, glandular with 

 minute dark glands, usually dark red after midsummer, %'~ m length; leaves at the end 

 of vigorous shoots often nearly orbicular, coarsely serrate with broad nearly straight 

 glandular teeth, and sometimes 3' long and 2|' wide. Flowers ^'-f ' in diameter, on slender 



