86 Spring Flora of Ohio. 



1. Genus A-RA'-LI-A. — Umbels usually in corymbs or panicles; 

 flowers white or greenish ; styles or cells of the fruit, stamens and 

 petals each ■"). 



A-ra'-li-a spi-no-sa L. Hercules" Club; Angelica Tree.— Shrub or a 

 low tree; the stout stem and stalks prickly; umbels in a large com- 

 pound panicle. 



A-ra'-li-a his'-pi-da Vent. Bristly Sarsaparilla; Wild Elder. — Stem 



bristh, leafy, 1-2 ft. high, terminating in a peduncle bearing several 

 umbels. 



A-ra'-li-a nu-di-cau -lis L. Wild Sarsaparilla. — Stem scarcely rising 

 out of the ground, smooth, bearing a single, long-stalked leaf (1 ft. 

 high) and a shorter naked scape with "2-7 umbels. 



2. Genus PA'-NAX. — Stem simple, low, bearing a whorl of 3 pal- 

 mately 3 to 7-foliolate leaves and a simple umbel on a slender peduncle. 



Pa'-nax quin-que-fo'-li-a L. {Aralia quinquefolia Dec. & PI.) Gin- 

 seng. — Root large and spindle-shaped, often forked, 4-9 in. long, aro- 

 matic ; leaflets long-stalked, mostly 5 ; styles mostly 2 ; fruit bright 

 red. 



Pa'-nax tri-fo'-li-a L. [Aralia trifolia Dec. & PI.) Dwarf Ginseng; 

 Ground-Nut. — Root or tuber globular, deep in the ground, not aromatic; 

 leaflets 3-5, sessile ; styles mostlv 3 ; fruit yellowish. 



LXIV. Order UM-BEL-LIF'-ER-ZE. PARSLEY FAMILY.— Herbs; flow- 

 ers in umbels; ovary inferior, styles 2; fruit of 2 seed-like, dry carpels 

 (mericarps.) 



Flowers white or greenish a . 



Flowers yellow c . 

 a. Stems 4-S ft. high ; stout, coarse plants b . 

 a. Stems very low, or 1-3 ft. high d . 



b. Glabrous, leaflets mucronate-serrate Angelica. 1 



b. Woolly, leaflets irregularly cut-toothed, outer flowers usually 



larger radiant and 2-cleft _ Heracleum. 2 



c. Leaflets serrate, crenate or toothed, lowest leaves sometimes simple : 



fruit glabrous or nearly so; ovoid to oblong: involucels 3- 



leaved Thaspium. 3 



c. Leaves palmate, fruit covered with hooked prickled Sanicula. 4 



c. Leaflets entiie. plant glaucous, fruit glabrous Pimpinella. -5 



c. Leaflets sharply serrate or crenately toothed ; fruit ovate to oblong: 



involucels of small bractlets e . 



