SAPINOACE.B. (soap-berry FAMILY.) 79 



2. H. paniculata, Don. Leaves abruptly pinnate ; leaflets 2 or 4, ob- 

 long, obtuse, entire, smooth, opposite ; panicles axillary and terminal, with com- 

 pressed branches ; flowers hoary-tomentose ; calyx-lobes and petals 4, rounded ; 

 cells of the ovary 2-ovuled. (Melicocca paniculata, Jtiss ?) — South Florida. — 

 Branches purplish, dotted with white. Leaflets 2' -3' long. 



3. SAPINDUS, L. Soap-berry. 



Calyx 5-parted, deciduous. Petals 5, regular, with a scale at the base of each 

 within. Stamens 8-10, inserted on the hypogynous di,sk. Styles united. Stig 

 raas 3. Ovarj' 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 flowers in axillaiy or terminal racemes or 

 panicles. 



1. S. marginatus, Wild. Petioles wingless; leaflets 9 -18, opposite or 

 alternate, ovate-lanceolate, unequal-sided, strongly veined above ; panicles large, 

 dense-flowered ; fruit globose. — Georgia and Florida, near the coast, and west- 

 ward. — A tree 20° - 40° high. Flowers white. 



4. CARDIOSPERMUM, L. 



Sepals 4, the 2 outer ones much shorter. Petals 4, irregular', each with a 

 petal-like scale at the base within ; those of the 2 outer petals entire, the others 

 with a crested appendage on the inner edge. Stamens 8. Disk 2-glandular. 

 Cells of the ovary 1-ovulcd. Style 3-cleft. Capsule 3-angled, 3-cclled, locu- 

 licidally 3-valved, inflated. Seed furnished with a cordate aril. — Herbs, climb- 

 ing by tendrils. Leaves bitcrnate. 



1. C. Halicacabum, L. — South Florida, apparently native, and not un- 

 common in cultivation. — Annual. Stem slender. Leaflets ovate-lanceolate, 

 incisely lobed and toothed. Capsule pear-shaped, 1' in diameter. 



5. ^SCULUS, L. HoRSECHESTNUT. Buckeye. 



Calyx 5-lobed, unequal. Petals 4- .5, unequal, clawed. Stamens 5-8, usu- 

 ally 7, inserted on the annular hypogynous 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 flowers, in 

 terminal panicles. 



§ 1. ^scuLUS proper. Fniit prickli/. 



1. .3S. glabra, Willd. Stamens almost twice the length of the erect nearly 

 equal pale yellow petals ; panicle oblong-ovate, loosely flowered ; leaflets 5, oval 

 or oblong, acuminate, unequally serrulate, smooth or slightly pubescent beneath. 

 (^E. pallida, WiJld ) — Banks of rivers, Tennessee and northward. May and 

 June. — A small tree with rough strong-scented bark. Flowers small. 



§ 2. Pavia. Fruit smooth. 



2. ^. Pavia, L. Stamens slightly exserted ; claws of the two upper 



