DICOTYLEDONES 



435 



FIG. 426. Euphorbia commutata. B, C. single inflorescence, showing the corolla- 

 like involucre, in, containing the separate male, 6, and female, 9 , flowers. D, 

 single male flower, enlarged. E, section of the ovary. G, section of ripe seed. 



J 



em 



-aril 



FIG. 427. A-C, Euonymus atropurpureus. D-F, Celastrus scandens. F, section 

 of fruit, showing the aril surrounding the seeds. G-I, Staphylea trifolia J, K t 

 Rhus cotinus. Flowers, enlarged. 



