18i 



THE FLORA. 



Order XLI. SAPINDACEiE. Indian Soapworts. 



Plants of various habit, mostly with unsyminetrical flowers ; 

 sepals and petals botii 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. 



§1. 

 §2. 



§3. 



Analysis of the Genera. 

 The Btiokete Tbibe. Leaves opposite, carpels 2-ovaled. . . .a 

 a Petals unequal. Stamens 7. Leaves digitate. Buckeye. jEs'oulds. 



The Soapberry Tribe. 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. Sapin'dub. 



b Herbs climbing with tendrils. Leaves biternate. Fruit a large, 



inflated, 3-oarpeled pod. Balloon-mne. Cabdiospee'itoii. 



The Bladdeb-nut Tribe. Leaves opposite, pinnate. Staphtle'a. : 



fig. 434. Brandilet of Bladder-nut, with 2 

 ternate leaves and a banging cyme. 435. The 

 stamens and pistil enlarged. 436. A. flower of 

 Ohio Buckeye. 



^S'OULUS. Buckeye. 



Calyx 5-toothed. Corolla of 4 or 6 unequal petals. Stamens 7, distinct, 

 unequal. Style filiform. Ovary 3-oeUed, with 3 ovules in each cell, but 

 only 1 of the 6 ovules grows, becoming a large seed. Flowers in terminal 

 panicles. 



