ROSACES 381 



with elongated closely appressed lobes usually persistent on the ripe fruit; flesh 

 thin and yellow ; nutlets 3-5, prominently ridged and grooved on the back, about \' 

 long. 



A tree, usually 15-18 high, with a tall trunk 4'-5' in diameter, covered with ashy 

 gray bark, often nearly black near the base of old stems, and separating freely into 

 thin plate-like scales, numerous ascending or spreading branches forming a round- 

 topped or oval compact head, and branchlets armed with stout, nearly straight bright 

 chestnut-brown spines 1/-2' long. 



Distribution. Open glades and dry copses of the Pine-covered coast plain of 

 southern Alabama. 



15. Crataegus Palmeri, Sarg. 



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

 gradually narrowed and cuueate at the entire base, 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, l^-'-lf ' wide, with slender yellow midribs and 

 4 or 5 pairs of very thin primary veins; their petioles stout, slightly wing-margined 

 toward the apex, rose-colored in the autumn, about f ' long; on vigorous shoots oblong- 

 ovate to elliptic, usually acute, coarsely serrate, occasionally laterally lobed, glandular 

 at the base, 2'-3' long and l'-2' wide. Flowers about % in diameter, on slender 

 pedicels, in many-flowered compound 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 the 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 ; flesh thin, yellow, dry and mealy ; nutlets 

 3, thin, acute at the ends, slightly and irregularly ridged on the back, with a low 

 grooved ridge, ^'-yV l n g- 



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 



