So 



ARALIAfEAE, the Sarsaparilla Family 



Herbs or thorny shrubs, with alternate or whorled leaves, and 

 small flowers in umbels; sepals 5, minute; petals and stamens each 

 5; ovary inferior, with 2 5 styles, ripening into a berry. 



la. Leaves simple, palmately lobed (thorny shrub; flowers greenish- 

 white, in panicles, in June) Devil's Club, Fatsia horrida. 

 Ib. Leaves once compounded, whorled (umbel one, terminal) 2. 

 Ic. Leaves twice or thrice compounded (umbels several) 3. 



2a. Leaflets sessile; flowers white, in spring (1 2 dm. high) 



Dwarf Ginseng-, Panax trifolium. 



2b. Leaflets stalked; flowers greenish, in summer (2 5 dm. 

 high) Ginseng, Panax quinqnefolium. 



3a. Stem and petioles spiny or bristly (flowers white, summer) 4. 

 3b. Stem and petioles smooth or a little pubescent (flowers green- 

 ish-white) 5. 

 4a. Shrubby, with stout thorns (1 3 m. high) 



Hercules' Club, Aralia spinosa. 

 4b. Herbaceous, with slender bristles (4 10 dm. high) 



Bristly Sarsaparilla. Aralia hispida. 



5a. Stem-leaves present; leaflets cordate at the base (8 15 dm. high; 

 summer) Spikenard, Aralia racemosa. 



5b. Leaf and flower-stalk arising from the ground ; leaflets acute at 

 the base (2 4 dm. high; spring) 



Wild Sarsaparilla, Aralia iindicaiilis. 



UMBELLIFERAE, the Parsley Family 



Herbs, with alternate, usually compound leaves, the petioles 

 dilated at the base; flowers small, in umbels or heads; sepals 5, mi- 

 nute or even wanting; petals and stamens each 5; ovary inferior, with 

 2 styles, ripening into a dry fruit. 



la. Leaves simple (flowers in summer) 2. 



Ib. Leaves compound, or at least deeply cleft 4. 



2a. Leaves linear, sword-shape (4 10. dm. tall; flowers greenish- 

 white) Rattlesnake Master, Eryngium yuccifolium. 



2b. Leaves kidney-shape or almost circular (stems creeping, 

 about 1 dm. high; flowers white) (Water Pennywort) 3. 



3a. Leaves peltate, attached by the center 



Water Pennywort, Hydroeotyle umbellata. 



3b. Leaves not peltate, attached by the margin 



Water Pennywort, Hydrocotyle americana. 



4a, Flowers yellow or purple 5. 



4b. Flowers white or greenish 13. 

 5a. Leaf-segments entire (48 dm. high) 6. 

 5b. Leaf-segments toothed or incised 7. 



