184 THE FLORA 
Orver XLI. SAPINDACEZ. Indian Soapworts. 
Plants of various habit, mostly with unsymtetrical flowers ; 
sepals and petals both imbricated in the bud; 
stamens 5 to 10, inserted on a thick disk under the ovary ; 
fruit usually colored and showy, lobed, 1 or few-seeded. 
The Order includes the following three Tribes. 
Analysis of the Genera. 
§ 1. Tue Bucxery Tries. Leaves opposite, carpels 2-ovaled....a 
a Petals unequal. Stamens 7. Leaves digitate. Buckeye. Ais’outvs. 1 
§ 2. Tue Soapsurry Trisx. Leaves alternate. Carpels 1-ovuled....b 
b Trees, with pinnate-leaves and fruit with soapy pulp, covering a 
large seed. Stamens 8-10. South. Soapwort, SaPrn’pvs. 
b Herbs climbing with tendrils. Leaves biternate. Fruit a large, 
inflated, 3-carpeled pod. Balloon-vine, CarpiosPER’MuM, 
§ 8. Tue Biapper-nur Tries. Leaves opposite, pinnate. STAPHYLE’A. 3 
Fig 434. Branchlet of Bladder-nut, with 2 
ternaté leaves and a hanging cyme. 485. The 
stamens and pistil enlarged. 486. A flower of 
Ohio Buckeye. 
1. ZES’CULUS. Buckeye. 
Calyx 5-toothed. Corolla of 4 or 5 unequal petals. Stamens 7, distinct, 
unequal. Style filiform. Ovary 3-celled, with 2 ovules in each cell, bu 
only 1 of the 6 ovules grows, becoming a large seed. Flowers in terminal 
panicles. 
