290 FLORA OF TEXAS. 



H. RADIATA, AValt. Leaves ovate, acuminate, serrate, 

 mostly cordate at the base, white-tomeutose beneath ; cymes 

 flat-topped; &i(^vi\Q floioers few. — Shrub, A°-^° bigb. 



H. QUERCiFOLiA, Bartram. Young hranclies and leaves 

 densely tomentose; leaves oval, sbarply 5-lobed, serrate; 

 cymes clustered, forming a close oblong panicle; sterile 

 floioers large, numerous. Shady banks. — Shrub, 3°-6° 

 high; leaves 4'-8' long; sterile flowers whitish, turning 

 purple. 



PHILADELPHUS, L. Syringa. 



CalyX'ixC^Q turbinate, cohering with the ovary, the limb 

 4:-5-parted, persistent ; ])etals 4-5, convolute in the bud ; 

 stamens 20-40, shorter than the petals ; styles mostly 4, 

 more or less united ; capsule mostly 4-celled, loculicidally 

 4-valved, many-seeded. — Shrubs, with simple opposite 3-5- 

 ribbed leaves, without stipules, and large white solitary or 

 ojmose Jloivers. 



P. GRAXDiFLORUS, AYilld. Branches and leaves pubes- 

 cent ; leaves ovate or ovate-oblong, acuminate, sharply sex- 

 Yate; floiuers solitary, or 2 or more in a terminal cyme; 

 calyx-lobes ovate, acuminate, much longer than the tube. 

 Banks of streams, April and May. — Shrub, 6°-10° high, 

 with long and slender branches. 



58. WITCH-HAZEL FAMILY. Order, Hamamelace^. 



Trees or shrubs, with alternate leaves, deciduous stipules, 

 and clustered or spiked often polygamous or monoecious 

 jloivers; calyx-iwhe coherent with the base of the ovary; 

 petals 4-5, long and linear, or none; stamens twice as 

 many as the petals, with the alternate ones sterile, or 

 numerous and perfect; styles 2; capsule woody, 2-celled, 



