J. Osmorhiza Raf. Sweet Cicely. 
Perennial herbs with short rootstocks and elongated fleshy tap roots, 
Herbage glabrous or thinly pubescent. Leaves ternately compound, the middle 
Segments again ternate or ternately lobed, the leaflets toothed. Flowers in 
compound nearly or quite naked umbels, the petals white, purple or greenish 
yellow. Calyx teeth wanting. Fruit linear, obtuse or attenuate at the base, 
blunt or costricted to a short neck at the apex, bristly along the ribs at 
least in the lower parts. Stylopodium mammbieiy or flattened. Oil tubes 
obsolete. Seed face more or less grooved. 
O Fruits and ovaries glabrous 
J. Os occidental 8 
—_— 
O Fruits and ovaries hispid with short appressed hairs, t+ least 
at the base 
A. Stylopodia nipple=shaped 
A Fruits 11-12 m. long, obtuse at the apex beneath 
B the stylopodia 2. O. obtusa 5 
as 
4 Fruits 15-20 m. long, lightly narrowed at the apex 
3 beneath the stylopodia to a neck about 1 mm. long 30. nuda 
2 Stylopodia depressed, the top of the ovary and fruit 
bappearing truncate and plane 4.2. purpurea 
ca 
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