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. 1I6.' 
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. latifolia. 
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, lall: 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. 
