ROSACEA 



413 



47. Crataegus Georgiana, Sarg. 



Leaves ovate, acute or acuminate at the apex, full and rounded or broadly cune- 

 ate at the base, finely and often doubly serrate, with straight or incurved gland- 

 tipped teeth, and divided into numerous short acute lateral lobes, glabrous with the 

 exception of a few pale caducous hairs on the upper surface and bronze-yellow when 

 they unfold, nearly half grown when the flowers open about the 20th of April and 

 then thin, dark yellow-green above, pale below, and at maturity thin but firm in 

 texture, dark blue-green on the upper surface, pale on the lower surface, l^'-2' long, 

 I'-l^' wide, with slender yellow midribs and 3 or 4 pairs of thin primary veins; their 

 petioles slender, often short- winged at the apex, usually about f long; on leading 

 shoots often 3' long and 2' wide, sometimes deltoid and usually much more deeply 

 lobed. Flowers |' in diameter, on slender pedicels, in usually 5-7-flowered compact 

 glabrous corymbs; calyx-tube broadly obconic, glabrous, the lobes gradually narrowed 

 from broad bases, acuminate, entire or obscurely and irregularly serrate, glabrous; 

 stamens 20; anthers small; light rose color; styles 5; surrounded at the base by a 

 narrow ring of pale tomentum. Fruit ripening and falling early in October,, on 

 slender pedicels, in drooping few-fruited clusters, oblong, full and rounded at the 



ends, often obscurely 5-angled, dull russet-green, f'-^' long; calyx-lobes only slightly 

 enlarged, mostly deciduous before the fruit ripens, leaving a well-defined ring at the 

 summit of the short calyx-tube; flesh thin, light green, dry and hard; nutlets 5, thin, 

 rounded and irregularly grooved on the back, about ^ long. 



A tree, sometimes 2o-30 high, with a tall trunk 10'-12' in diameter, stout wide- 

 spreading branches forming a broad symmetrical round-topped head, and branchlets 

 armed with straight or slightly curved thin bright chestnut-brown lustrous spines 

 rarely more than 1^' long. 



Distribution. Low rich river bottoms and meadows in the neighborhood of 

 Rome, Georgia. 



VI. TENUIFOLL5I. 



Stamens 5-10. 



Fruit obovate ; leaves oblong'-ovate, acuminate, dark blue-green. 



Stamens usually 5 ; anthers pink ; fruit brig-ht reddish purple ; leaves mostly sca- 

 brate ; calyx-lobes entire or sparingly glandular ; spines more than 1' long-. 



48. C. apiomorpha (A). 



