S}hrr. 



Dicotyls -or Exogenous Plants. 63- 



Am-e-lan'-chi-er bo-try-a'-pi-um (L.f.) DC. [A. canadensis var. oblon- 

 gifolia T. & G.) Shad-bush; Service-berry; June-berry.— Smaller tree or 

 shrub, 6-10 ft. high ; leaves oblong or sometimes rather broadly-ellip- 

 tical, mostly rounded at base, 1-2 in. long; flowers in denser and 

 shorter racemes; petals 3-4 lines long. 



8. Genus CRA-T/E'-GUS. — Thorny shrubs or small trees, with 

 simple and mostly lobed leaves; petals roundish; pome drupe-like,, 

 containing 1-5 bony seeds. 



A. Leaves broad. 



Cra-tae'-gus coc-cin'-e-a L. Scarlet Haw; White Thorn. — Branches 

 reddish, spines stout, villous-pubescent on the shoots, glandular 

 peduncles and calyx; leaves on slender petioles, round-ovate, cuneate ^ ^ 

 or sub-cordate at base, glandular-toothed, sometimes cut-lobed; _/?ozf- ' ' 



ers Yz in. broad ; fruit coral-red, globose or obovate, yi in. broad. 



Cra-tae'-gus ma-cra-can'-tha Lodd. {C. coccinea var. viacracantha 

 Dudle3\) Large-spine Hawthorn. — Differs from the preceding in hav- 

 ing longer, bright chestnut-brown spines, thicker leaves, sub-coriace- 

 ous, cuneate at base, on stout petioles, often deeply incised; cymes- 

 broader, flowers and fruit rather larger. 



Cra-tae'-gus mol'-lis (T. & G.) Scheele. {C. coccinea var. uiollis T. & 

 G.) Black Thorn ; Scarlet Haw. — Shoots densely pubescent, leaves large, 

 broadly ovate, more or less pubescent beneath ; flozvers 1 in. broad or 

 more; fruit bright scarlet with alight bloom, 1 /;/. broad; blooming 

 very early. 



Cra-tae'-gus to-men-to'-sa Iv. Black Thorn. — Branches gray; shoots^ 

 peduncles and calyx villous-pubescent; leaves large, pale, prominently 

 veined, densely pubescent beneath, contracted into a margined petiole • 

 flowers small, ill-scented ; fruit dull red, j4 in. broad ; blooming late. 



A. Leaves narrotver. 



Cra-tae'-gus punc-ta'-ta Jacq. Black Thorn. — Leaves mostly wedge- 

 obovate, not shining, attenuate and entire near the base, unequally 

 toothed toward the apex, rarely lobed ; fruit globose, 1 in. broad. 



Cra-tae'-gus crus-gal'-li L. Cockspur Thorn. — Thorns slender, often 4 

 in. long; leaves thick, coriaceous, dark-green, shining above, wedge- 

 obovate and lanceolate, serrate above the middle. 



