468 



TREES OF NORTH AMERICA 



and at maturity thin but firm in texture, yellow-green, l^'-2' long, I'-l^' wide, with 

 slender yellow midribs and thin primary veins extending very obliquely to the points M 



^m^^ 



of the lobes, turning in the autumn orange, yellow, or brown; their petioles slender, 

 slightly wing-margined toward the apex, sparingly glandular, ^'-V long; on vigor- 

 ous shoots broadly ovate, cuneate or nearly truncate at the wide base, deeply divided 

 into broad lateral lobes, often 2'-3' long arud broad, with stout broadly winged peti- 

 oles frequently V long. Flowers l^'-l^' in diameter, on long slender pedicels, in 

 5-10-flowered compound glabrous corymbs, with large conspicuously glandular bracts 

 and bractlets ; calyx-tube narrowly obconic, glabrous, the lobes gradually narrowed 

 from broad bases, glabrous, entire or sparingly serrate; stamens 20; anthers pale 

 purple ; styles 3-5, surrounded at the base by a narrow ring of pale hairs. Fruit 

 ripening in September and October, on elongated, slender pedicels, in few-fruited 

 drooping clusters, subglobose, orange-red, about ^' in diameter ; calyx-lobes decidu- 

 ous before the maturity of the fruit, leaving a narrow ring round the shallow cavity; 

 flesh thin and firm ; nutlets 3-5, full and rounded at the ends, barely grooved on 

 the rounded back, ^^g' long and nearly as broad. 



A tree, 20-25 high, with a trunk 4'-6' in diameter, covered with gray or brown 

 scaly bark, spreading or ascending branches, and slender red-brown branchlets un- 

 armed or armed with stout spines f '-1' long ; more often a large much-branched 

 shrub, with one or more stems. 



Distribution. Woods and borders of fields, northwestern Florida ; common in 

 the neighborhood of Tallahassee. 



XIII. BRACTEAT^. 



Leaves oval to broadly obovate ; corymbs many -flowered ; stamens 10-20, usually 20 ; fruit 

 bright red or orange-red. 99. C. Harbisoni (C). 



Leaves broadly ovate or rarely obovate ; corymbs 3-10-flowered ; stamens 20 ; fruit bright 

 red. 100. C. Ashei (C). 



99. Crataegus Harbisoni, Beadl. 



Leaves oval or broadly obovate, acute at the apex, cuneate or full and rounded 

 at the entire base, and coarsely serrate above, with straight glandular teeth, when 



