208 FLORA OF TEXAS. 



the hypogynous disk; styles united; stigmas Z', ovary 

 3-celled, the cells 1-ovuled ; fruit baccate, globose or 2-3- 

 lobed, 1-3-seeded; seeds bony; embryo incurved. — Trees, 

 with abruptly pinnate leaves, and small polygamous 

 jioivers in axillary or terminal racemes or panicles. 



S. MARGINATUS, Willd. {Wild China.) Pe^ioZes wingless; 

 leaflets 9-18, opposite or alternate, ovate-lanceolate, un- 

 equal-sided, strongly veined above ; panicles large, dense- 

 flowered; fruit globose ; flowers white. 



CAEDIOSPERMUM. 



Sepals 4, the two outer ones much shorter ; petals 4, 

 irregular, each with a petal-like scale at the base within, 

 those of the two outer petals entire, the others with a 

 crested appendage on the inner edge ; stamens 8 ; disk 

 2-glandular ; cells of the ovary 1-ovuled ; style 3-cleft ; 

 capsule 3-angled, 3-celled, loculicidally 3-valved, inflated ; 

 seeds furnished with a cordate aril. — Herbs, climbing by 

 tendrils; leaves biternate. 



C. HALiCACABor. Leaflets ovate-lanceolate, incisely 

 lobed and toothed ; stem slender ; capsule pear-shaped, 

 1' in diameter. Annual. 



^SCULUS, L. Buckeye, Horse Chestnut. 



Calyx 5-lobed, unequal ; petals 4-5, unequal, clawed ; 

 stamens 5-8, usually 7, inserted on the annular hypogy- 

 nous disk ; style slender ; ovary 3-celled, the cells 2-ovuled; 

 capsule coriaceous, 1-3-celled, loculicidally 2-3-valved, 

 1-3-seeded ; cotyledons very large and thick, partly united. 

 — Trees or shrubs, with opposite long-petioled digitate 

 leaves and showy polygamous ^o?rer5 in terminal panicles. 



§ ^scuLUs PROPER. Pruit prfckly. 

 $ Patia. Fruit smooth. 



