GENUS 6. 



APPLE FAMILY. 



319 



66. Crataegus submollis Sargent. Emerson's 

 Thorn. Fig. 2400. 



C. tomentosa Emerson, Trees & Shrubs Mass. 4-50. 1846. 



Not L. 

 C. submollis Sarg. Bot. Gaz. 31 : 7. 1901. 



A tree, sometimes 25 high, with spreading branches 

 forming a broad symmetrical crown, the spines numerous, 

 i'-3'long. Leaves ovate, i-4$' long, ii'-3J' wide, acute 

 'at the apex, broadly cuueate at base, serrate or doubly 

 serrate and acutely lobed, membranous, yellow-green, 

 tomentose, becoming scabrate ; corymbs many-flowered, 

 tomentose; flowers about 12" broad; stamens about 10; 

 anthers light yellow; styles and nutlets 4 or 5; fruit 

 short-ellipsoid to pyriform, orange-red, 8"-io" thick, 

 slightly tomentose, calyx-lobes persistent; flesh thick, 

 edible. 



Quebec to southern Ontario, Massachusetts and New York. 

 May ; fruit ripe September. 



67. Crataegus mollis (T. & G.) Scheele. Red-fruited or Downy Thorn. Fig. 2401. 



?C. acerifolia Lodd. ; Moench, Hort. Weiss. 28. 1785." 



C. coccinea var. (?) mollis T. & G. Fl. N. Am. i : 465. 

 1840. 



C. mollis Scheele, Linnaea 21 : 569. 1848. 

 C. tiliaefolia K. Koch, Weissd. 247. 1853. 



A tree, sometimes 40 high, with spreading 

 branches forming a broad-topped crown. Spines 

 i '-2' long; leaves broadly ovate, acute at the 

 apex, cordate to truncate at the base, i$'-5' long, 

 i '-4' wide, serrate or twice serrate with narrow 

 acute lobes, slightly rugose, membranous, densely 

 tomentose beneath, tomentose above, becoming 

 scabrate ; corymbs tomentose ; flowers about 12" 

 broad; stamens about 20; anthers light yellow; 

 styles and nutlets 4 or 5 ; fruit short-ellipsoid to 

 subglobose, scarlet, 7"-i2" thick, calyx-lobes de- 

 ciduous ; flesh thick, edible. 



Southern Ontario to South Dakota, Central Ten- 

 nessee and Arkansas. May ; fruit ripe September. 

 Downy haw. 



68. Crataegus monogyna Jacq. Hawthorn. 



White or May Thorn. Fig. 2402. 



C. monogyna Jacq. Fl. Aust. 3 : 50. pi. 292. f. i. 1775. 



A shrub or tree, with ascending branches, some- 

 times 40 high and a trunk diameter of i*. Thorns 

 numerous; leaves ovate, sharply 3~i5-lobed or cleft, 

 acute at the apex, cuneate to truncate at the base; 

 serrate, J'-if long, *'-2' wide, dark green and gla- 

 brous above when mature, paler and slightly pubes- 

 cent beneath ; corymbs many-flowered, glabrous ; 

 flowers white or pink, about 7" broad; calyx-lobes 

 deltoid, entire, obtuse; stamens about 20; anthers 

 pink ; style and nutlet usually one ; fruit globose or 

 subglobose, red, about 3" thick. 



Along roadsides and in thickets, sparingly escaped 

 from cultivation. Wood hard, yellowish white ; weight 

 per cubic foot 50 Ibs. Native of Europe and Asia. May- 

 June ; fruit ripe September. Has been confused with C. 

 Oxyacantha L. Called also English hawthorn. Hathorn. 

 Hedge-thorn. May-bush. May. Quickset. Quick. Wick. 

 Wicken. Haw-tree. Quickthorn. 



