-69- 



5a. Terminal leaflet narrowed to a sessile base (5 20 dm. high) 



Sumach, Kims canadensis. 



5b. Terminal leaflet on a definite stalk, round or acute at base (3 8 

 dm. high, or climbing by hold-fast roots) 



Poison Ivy, Elms toxicodendron,. 



AQUIFOLIACEAE, the Holly Family 



Shrubs, with alternate simple leaves and small white or greenish 

 axillary flowers in late spring and early summer; sepals, petals, and 

 stamens each 4 6; fruit a berry. 



la. Leaves entire or nearly so, 1 3 cm. long (1 2 m. tall) 



Mountain Holly, Nemopanthus mucronata. 



Ib. Leaves sharply serrate, 5 8 cm. long (2 5 m. high) (Black 

 Alder) 2. 



2a. Leaves downy on the veins beneath; fruit red 



Black Alder, Ilex yerticillata. 

 2b. Leaves nearly or quite glabrous; fruit orange 



Black Alder, Ilex verticillata var. tenuifolia, 



CELASTRACEAE, the Staff Tree Family 



Shrubs with simple leaves and inconspicuous flowers; sepals and 

 petals each 4 or 5, the stamens of the same number and attached to 

 a disk which fills the center of the flower; fruit showy, orange and 

 red. 



la. Leaves alternate (climbing vine; flowers in racemes; late spring) 



Bitter-sweet, Celastrus scandens. 



Ib. Leaves opposite (flowers in axillary clusters) 2. 



2a. Prostrate, with short erect branches; leaves broadest above 

 the middle (spring) Creeping- Wahoo, Evonymus obovatus. 



2b. Tall shrub, with leaves broadest below or near the middle 

 (early summer) Wahoo, Eyonymus atropurpureus. 



STAPHYLEACEAE, the Bladder Nut Family 



Shrubs with opposite trifoliate .leaves and small axillary clusters 

 of white flowers in spring; sepals, petals, and stamens each 5; ovary 

 3-celled, ripening into a large inflated 3-celled pod. 



One species in Michigan (2 5 m. high) 



Bladder Nut, Staphylea trifolia. 



