114 Proceedings of the Ohio State Academy of Science 



2)7- Stamens united with the corolla or only united at the base, 

 as many as the petals or fewer and alternate with them. 

 40. 



38. Ovulary 2-5-locular ; shrubs often with evergreen leaves; 



fruit a capsule, berry or drupe. Ericaceae. 

 a. Fruit a septicidal capsule; leaves remaining green 

 throughout the year. b. 



a. Fruit a loculicidal capsule ; leaves deciduous in 



autumn. Oxydendrum. (64). 



b. Corolla somewhat irregular, seeds flat and winged. 



Rhododendron. (62). 

 b. Corolla regular, seeds angled or rounded. Kalmia. 



_ (63). 

 2)^. Choripetalous plants in which the petals are sometimes 

 partly or completely united. 



a. Ovulary i-Iocular ( i carpel) with i parietal placenta. 



Fabaceae. 



See 24 above. 



b. Ovular}'- 4-8-locular, with a solitary seed in each cavity; 



fruit a berry-like drupe. Ilicaceae. 



See 33 above. 



.39. Stamens as many as the lobes of the small white corolla; 

 leaves entire, simple and alternate, with thorns. Sapo- 

 taceae. 



a. Bumelia. (65). 



39. Stamens twice as many as the lobes of the greenish-yellow 



corolla or more ; styles 2-8 ; plants mostly monoecious or 

 dioecious ; leaves alternate, simple, and entire. Ebena- 



CEAE. 



;a. Diospyros, {66). 



39. Stamens twice as many as the lobes of the yellow corolla 

 or more ; style i ; stamens in several series ; flowers most- 

 ly bisporangiate ; leaves alternate and simple. Symplo- 



CACEAE. 



