114 Proceedings of the Ohio State Acadeiu\ of Seience 



3". Stamens united with the corolla or only united at the base, 

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

 40. 

 T,^. 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 i^at and winged. 



Rhododendron. ( 62 ) . 

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



(63). 



38. Choripetalous plants in which the petals are sometimes 



partly or completely united. 



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



F.\BACEAE. 



See 24 above. 



b. Ovulary 4-8-locular, with a solitary seed in each cavity ; 



fruit a berry-like drupe. Ilicaceae. 



See 2>2) above. 



3Q. 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). 



3*). 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. 



