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. X A. hybrida. 

 Petals only glandular. 18. 



18. Leaves glabrate : flowers red. 19. 



Leaves very pubescent beneath : calyx red. 22. 



19. 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. 



