The Trees of Texas 11] 
ter, obovate to globose, about 14’ long, dull orange with small 
dots. 
In the bottom lands of the Trinity River. 
9. Crataegus Texana Buckley. Texas Thorn. A medtum 
sized round topped tree 25°-30° high with sealy bark, reddish 
brown twigs and chestnut colored spines. Leaves broadly 
ovate, pointed at the apex, doubly serrate, frequently 4-5 
lobed above the middle, 3’-4’ long, 215’-3’ wide, smooth above, 
hairy below. Corymbs many flowered, hairy, the flowers large. 
Fruit ripening in the autumn, pear-shaped when young, be- 
eoming short oblong at maturity, 34’-1’ long, bright scarlet, 
with pale dots. In bottom lands, central and west Texas. 
AMYGDOLACEAE Reichenbach. The Plum Family. 
Trees or shrubs with alternate simple serrate leaves which 
are firm or leathery and sometimes persistent until the follow- 
ing season. Flowers regular, perfect, petals 5, sepals 5, stam- 
ens numerous. Fruit. a one seeded edible drupe. 
Drupes fleshy. 
Flowers umbellate to corymbose, borne before 
the leaves on branchlets of the previous 
SLT TE he SRN ah or pk Ne Soa a! eee hele ene ae he rins, 
Flowers racemose, borne on branchlets of the 
“TE VRS a VE oe 7 a de a ta 2. Padus. 
Drupes dry or nearly so, leaves persistent......... 3. Laurocerasus. 
PRUNUS (Tournefort) L. Plums and Cherries. 
Drupe purple, red, yellow or orange, with a bloom.. P. tarda. 
Drupe red or orange without bloom. 
Leaves oblong to obovate, petioles not glandular.. P. Americana. 
Leaves ovate-lanceolate to lanceolate, petioles 
Oe Cn se ne ea Rieter aoe age F. hortulana. 
1. Prunus tarda Sargent. Texan Sloe. <A small tree 20°- 
25° high with spreading branches, thin, scaly bark, and lus- 
trous branchlets which become dull with age. Leaves oblong 
to obovate 114’-3’ long, 34’-114’ wide, pointed, firm, serrate, 
yellowish green and smooth above, somewhat hairy along the 
midrib and prominent veins below. Flowers in clusters of 
