Tin Tn-cN of Texas 10f> 



4. Crataegus brachycantha Sarg. and Engelm. A tree 

 1> -_") hinh \vith trunk diameter of 8'-10'. branches upright, 

 spivadinn 1 1<> form a rnther broad rounded crown; branchlets 

 ;irm<",l with straight light brown spines I'-l 1 /-/ long. Bark 

 dark brown and rather deeply fissured on mature trunks, 

 light brown on younger twigs. Leaves lanceolate-oblong to 

 ovate, serrate above the middle, 1/-2' long Vii'-l' > T ide, dark 

 green above, paler beneath. Flowers in many flowered cor- 

 ymbs. Fruit ripening in August, bright blue, 1 /i'- 1/ ii / in 

 diameter. 



Northwestern Louisiana to eastern Texas. 



5. Crataegus Brazoria Sargent. A small round topped 

 tree 20-25 high with ascending branches, gray scaly bark, 

 and long gray spines. Leaves oval to obovate, wedge-shaped 

 and entire at base, rounded or pointed at apex, serrate, smooth, 

 lustrous green aboce, 2'-2 1 /-/ long, l 1 /^/-! 1 /^' wide, pale be- 

 neath with a few hairs. Flowers in many flowered corymbs, 

 the pedicels and calyx hairy. Fruit ripening in autumn, sub- 

 globose, bright canary yellow. 



In rich woods and bottom lands along the Brazos River. 



6. Crataegus aestivalis. A medium sized tree 20-30 

 high and 32'-18' in diameter with straight or divided trunk, 

 reddish, aimed twigs and scaly, reddish brown bark. Leaves 

 elliptical, oblong or obovate. l%'-2' long, %'-!' wide, entire 

 at base, notched or toothed above the middle, smooth above, 

 with rusty hairs along the veins and midrib below. Corymb 

 2 -/> lowered. Fruit ripening in May, depressed globose, 

 1 '2' -'2/3' in diameter, bright red with pale spots, and thick, 

 juicy flesh. 



Florida to Arkansas, Louisiana and eastern Texas. 



7. Crataegus viridis L. Southern Thorn. A small round 

 topped tree 20 '-30 high and 18'-20' in diamter with orange 

 colored bark, gray to reddish brown twigs and slender short 



Leaves oblong-obovate, pointed or rounded at the 

 x. wedge-shaped and entire at base, serrate above with 

 u-landiilar teeth or some of them 3-lobed toward the apex, V-3' 

 long, ^.-.''-IVi' wide, smooth above with hairs in the axils of 

 veins below. Corymbs smooth, many flowered. Fruit ripen- 



