Proceedings of the Ohio State Academy of Science 113' 



34. Stamens 5, 10, or many; styles 2-5; leaves alternate with 

 stipules. RosACEAE (Pomatae). 



See 20 above. 



34. Stamens 4 or 5, style and stigma i ; leaves opposite or al- 

 ternate; fruit a i-2-seeded drupe. Cornaceae. 

 a. Ovulary 2-locular, flowers bisporangiate. 



Cornus. (75). 

 a. Ovulary i-locular, flowers dioecious or imperfectly 

 dioecious. Nyssa. (76). 



34. Stamens 4 or 5 on a flat disc which covers the 3-5-locular 



ovulary ; fruit a somewhat fleshy capsule ; shrubs, trees 

 or woody climbers with opposite leaves and minute fuga- 

 ceous stipules. Celastraceae. 



See 32 above. 



35. Stamens many ; leaves odd-pinnate, fruit a berry-like pome. 



Some — RosACEAE { Pomatae) . 



a. Sorbus. (36). 



35. Stamens 5, styles usually 2-5 ; fruit a fleshy berry or drupe ;, 



leaves bipinnate. Araliaceae. 



a. Aralia. (74). 

 -36- 



36. Flowers hypogynous (ovulary superior). 37. 



36. Flowers epigynous (ovulary inferior) ; stamens as many as 



the lobes of the corolla ; leaves opposite, usually without 

 stipules, not blackening in drying. Caprifoliaceae. 



a. Viburnum. {77). 



37. Stamens free from the corolla (or only slightly united at 



the base) as many as the petals (flowers tetracyclic) and 

 alternate with them, or twice as many (pentacyclic) or 

 more. 38. 

 37. Stamens united with the corolla, as many as the petals and 

 opposite them or twice as man}^ or more. 39. 



