128 SAPINDACEAE, 
12, Fruit warty: bark softly corky. 13. 
Fruit not warty. 14, 
13. Tree: leaflets mostly 5. (Ohio buckeye). A. glabra. 
Shrub: leaflets mostly 7. . A. glabra Buckleyi. 
14. Leaflets characteristically five. 15. 
Leaflets often 7: shrubs: flowers white. A. parviflora. 
15. Petals without marginal glands. 16. 
Petals fringed with glands. 17. 
16. Flowers yellow: tree. A. octandra. 
Flowers red or reddish: shrub. A. georgiana. 
17. Petals ciliate and glandular. < A. hybrida. 
Petals only glandular. 18, 
18. Leaves glabrate: flowers red. 19. 
Leaves very pubescent beneath: calyx red. 22. 
Ig. Trees. 20. 
Shrub. A. Pavia humilis. 
20. Leaflets finely toothed. 21. 
Leaflets deeply cut-toothed. A. Pavia sublaciniata. 
21. Flowers rather bright red. A. Pavia. 
Flowers very dark red. A. Pavia atrosanguinea. 
22. Tree: petals red or yellow. A. discolor. 
Shrubs. 23. 
23. Petals bright red. A. discolor mollis. 
Petals yellow. A. discolor flavescens. 
Family SAPINDACEAE. Soapberry Family. 
A rather small family of little use except in landscape 
planting. 
XANTHOCERAS, 
Deciduous shrubs or small trees with yellow wood; rather 
slender terete twigs; relatively large round continuous brown- 
ish pith; alternate somewhat raised crescent-shaped leaf-scars 
with 3 more or less compound bundle-traces; no stipule-scars; 
ovoid sessile buds with several exposed scales; odd-pinnate 
rather large leaves with sessile leaflets; relatively large showy 
polypetalous panicled white flowers; and moderate leathery cap- 
sules with several rather large seeds. 
Leaflets lanceolate, sharply serrate. X. sorbifolia. 
