300 



MALACEAE. 



Vol. II. 



g. Crataegus punctata Jacq. 



Large-fruited or White Thorn. 

 Fig- 2343- 



Dotted Haw. 



C. punctata Jacq. Hort. Vind. i ; lo, pi. 28. 1770. 

 C. flava Hook. Fl. Bor. Am. i ; 202. 1832. Not Ait. 

 C. tomentosa var. punctata A. Gray, Man. Ed. 2, 124. 

 1856. 



Aflat-topped tree, usually with horizontal branches, 

 but branches sometimes ascending, becoming up to 

 30° high. Spines light gray, l'-2' long; leaves obovate 

 to oblong, ¥-3' long, i'-2' broad, impressed-veined 

 and dull gray-green above, pubescent, acute or obtuse 

 at the apex, sharply cuneate at the base, serrate, 

 doubly serrate or lobed at the apex ; corymbs tomen- 

 tose or canescent; flowers about 10" broad; stamens 

 about 20, anthers white or pink; styles and nutlets 

 usually 3 or 4; fruit yellow or red, short-ellipsoid, 

 6"-i2" thick. 



Quebec to Pennsylvania, Minnesota, Iowa and Ken- 

 tucky. June ; fruit ripe October-November. 



10. Crataegus Jonesae Sargent. Miss Jones' 

 Thorn. Fig. 2344. 



Crataegus Jonesae Sarg. Bot. Gaz. 31 : 14. 1901. 



A shrub, or a tree, occasionally 20° high. Spines 2' 

 or 3' long; leaves elliptic-ovate, acute or obtuse at the 

 apex, cuneate, serrate with acute lobes, the tips of the 

 lobes often reflexed, il'-4' long, ii'-3' wide, glabrous, 

 except along the veins beneath ; petioles i'-2' long, 

 glandless, slightly pubescent; flowers about 12" broad; 

 calyx-lobes linear, acuminate ; calyx villous, the lobes 

 glabrous outside; stamens about 10; anthers large, pink; 

 styles and nutlets 2 or 3 ; fruit short-ellipsoid to pyri- 

 form, about 8" thick, slightly pubescent, bright carmine- 

 red; flesh thick, yellow, calyx-lobes persistent. 



Islands and coast of Maine from Portland to Pembroke, 

 and inland at Skowhegan. June ; fruit ripe September. 



II. Crataegus Margaretta Ashe. Brown's Thorn. Mrs. Ashe's Thorn. Fig. 2345. 



Crataegus Margaretta Ashe, Journ. E. Mitch. Soc. i6 : 72. 



Feb. 1900. 

 Crataegus Brownii Britton, Bull. N. Y. Bot. Gard. 1:5: 447. 



March 1900. 



A shrub or small tree, sometimes 25° high, with ascend- 

 mg branches forming a round crown. Spines f'-ii' long; 

 leaves oblong-obovate or ovate, sometimes broadly so, 

 i'-2i' long, i'-iV wide, obtuse or acute at the apex, cu- 

 neate or rounded at the base, serrate or doubly serrate 

 with 2 or 3 pairs of acute or obtuse lobes toward the apex, 

 glabrous when mature, dark green above, membranous; 

 corymbs slightly pubescent, becoming glabrous ; flowers 

 7"-io" broad, calyx-lobes lanceolate, acuminate, slightly 

 pubescent inside; stamens about 20; styles and nutlets 2 

 or 3; fruit dull rusty green, yellow or red, compressed- 

 globose to short-ellipsoid, angular, 4"-8" thick, its flesh 

 yellow, mealy, hard; calyx-lobes reflexed, deciduous. 



Southern Ontario to central Iowa, western Virginia, Tennessee and Missouri. May ; fruit 

 ripe October. 



