112 Proceedings of the Ohio State Academy of Science 



29. Ovules several or many in each cavity ; stipules between the 



opposite and pinnately compound leaves, caducous ; shrubs 

 or small trees. Staphyleaceae. 



a. Staphylea. (56). 



30. Leaves palmately veined, or compound. 31. 



30. Leaves pinnately veined, simple, not punctate. 32. 



31. Leaves pinnately compound, alternate; climbing herbaceous 



vines with fruit an inflated 3-lobed capsule ; or trees with 

 a globose or lobed berry. Sapindaceae. 



a. Sapindus. (59). 



31. Leaves palmately veined or pinnately compound; fruit 2- 

 winged ; trees or shrubs with opposite leaves and no stip- 

 ules. Aceraceae. 



a. Acer. (57). 



31. Leaves 3-foliate, pellucid-punctate, without stipules. Some 



Rutaceae. 



a. Ptelea. (50). 



32. Calyx minute, fruit a berry-like drupe ; trees or shrubs with 



simple mostly alternate leaves. Ilicaceae. 



a. Ilex. (54). 



32. Calyx not minute; pod colored, dehiscent; seeds inclosed 



in a pulpy aril ; shrubs or woody climbers with alternate 

 or opposite leaves and with minute fugaceous stipules. 

 Celastraceae, 



a. Euonymus. (55). 



—33— 



33. Leaves simple. 34. 



33. Leaves compound. 35. 



34. Perfect stamens 4, styles 2 ; leaves alternate, palmately 



veined and lobed, or if pinnately veined then 2-ranked. 

 Hamamelidaceae. 



See 22 above. 



