122 STAPHYLEACEAE. 



14. Middle bright yellow. E. japonica medio-picta. 

 Middle green and yellow. E. japonica viridi-variegata. 



15. Twigs with corky wings or warts. 16. 



Twigs neither winged nor conspicuously warty. 17. 



16. With wings. E. alata. 

 With prominent warts. E. verrucosa. 



17. Fruit roughened : petals 5. E. americana. 

 Fruit smooth : petals four. 18. 



18. Carpels nearly separate. E. alata subtriflora. 

 Fruit merely lobed. 19. 



19. Buds long (10 mm.) : fruit lobes winged. E. latifdlia. 

 Buds short (5 mm.) : fruit not winged. 20. 



20. Flowers whitish, few in a cluster. 21. 



Flowers purple, numerous. E. atropurpurea. 



21. Fruit pink. 22. 



Fruit whitish. E. europaea leucocarpa. 



Fruit purple. E. europaea atrorubens. 



22. Leaves green. 23. 



Leaves purplish. E. europaea atropurpurea. 



23. Tall. E. europaea. 

 Very dwarf. E. europaea nana. 



PACHISTIMA. 



Low evergreen shrubs with minute dark pith ; slender 4- 

 sided or 4-lined twigs ; opposite somewhat raised crescent- 

 shaped small leaf-scars with 3 more or less distinct bundle- 

 traces ; ovoid buds with about 2 pairs of exposed scales ; small 

 leathery nearly sessile usually serrulate leaves ; minute perfect 

 polypetalous 4-merous greenish or reddish flowers in the axils ; 

 and small capsules with few white-arillate seeds. 

 Flower-stalks very short. P. procumbens. 



Flower-stalks elongated, very slender. P. Canbyi. 



Family STAPHYLEACEAE. Bladdernut Family. 

 A small family of shrubs, of no use except in landscape 

 planting. 



