Genus 6, 



APPLE FAMILY. 



397- 



30. Crataegus viridis L. Southern Thorn. 

 Fig. 2364. 



Crataegus viridis L. Sp. PI. 476. 1753. 



C. arborescens Ell. Bot. S. C. & Ga. i : 550. 1821. 



A tree, often 35° high, with ascending branches 

 and a broad crown, the bark gray or light 

 orange. Spines rather uncommon, ¥-2' long; 

 leaves oblong-ovate, acute, acuminate or even 

 obtuse at the apex, serrate or doubly serrate, 

 often with acute or obtuse lobes towards the apex, 

 i'si' long, 4'-2' wide, dark green, shining and 

 slightly impressed-veined above, sometimes pu- 

 bescent along the veins beneath ; corymbs gla- 

 brous ; flowers 5"-8" broad; stamens about 20; 

 anthers usually yellow, sometimes pink ; styles 

 and nutlets 4 or 5 ; fruit globose or compressed- 

 globose, bright red or orange, glaucous, 2" or 3" 

 thick. 



Alluvial soil along streams and lakes, southern 

 Virginia to northern Florida, Indiana, Illinois, Kan- 

 sas and Texas. Wood hard, reddish-brown, weight 

 per cubic foot 40 lbs. Red haw. Tree-haw or -thorn. 

 March-April ; fruit ripe October. 



31. Crataegus nitida (Engelm.) Sargent. Shin- 

 ing Thorn. Fig. 2365. 



Crataegus viridis nitida Engelm. ; Britton & Brown, 111. FI. 



2 ; 242. 1897. 

 Crataegus nitida Sarg. Bot. Gaz. 31 : 231. 1901. 



A tree, sometimes 30° high, with ascending and 

 spreading branches forming a broad irregular crown. 

 Spines occasional, i'-2' long; leaves oblong-ovate to 

 oval, I r-3' long, J'-2i' wide, acute at the apex, cuneate 

 at the base, coarsely serrate or twice serrate with acute 

 lobes towards the apex, dark green, shining above, 

 paler beneath, glabrous ; corymbs many-flowered ; flow- 

 ers 6"-io" broad; stamens about 20; anthers light 

 yellow ; calyx-lobes lanceolate, acuminate ; styles and 

 nutlets 3-5 ; fruit globose to short-ellipsoid, dark dull 

 red, 3"-5" thick; nutlets small, ridged on the back. 



Bottom-lands, southern Indiana and Illinois. May ; fruit 

 ripe October. 



32. Crataegus intricata Lange. Lange's 

 Thorn. Biltmore Haw. Fig. 2366. 



C. intricata Lange, Bot. Tidssk. 19: 264. 1894-95. 

 C. biltmoreana Beadle, Bot. Gaz. 28: 406. 1899. 

 Crataegus modesta Sarg. Rhodora 3: 28. 1901. 

 Crataegus premora Ashe, Ann. Carn. Mus. i : 391. 

 1902. 



An irregularly branched small shrub, occa- 

 sionally 15° high. Spines infrequent ; leaves 

 elliptic-ovate to broadly ovate, i'-^V long, ¥- 

 2I' wide, acute, broadly cuneate to truncate, 

 doubly serrate or lobed, rough-pubescent, some- 

 times becoming scabrous ; corymbs and calyx 

 villous, few-flowered ; flowers about 12" broad ; 

 stamens usually 10, sometimes 20; anthers 

 yellow or pink ; styles and nutlets usually 3 or 

 4; fruit short-ellipsoid to globose, 4"-7" thick, 

 greenish-yellow or becoming dark reddish- 

 brown, slightly pubescent. 



Open rocky woods, western New England and 

 New York south to South Carolina and Missouri. 

 Has been mistaken for C. coccinea L. May-June ; 

 fruit ripe October-November. 



