DICOTYLEDONOUS PLANTS. 35 
between the ribs. Seeds flat. A stout perennial with the 
very large leaves compound in threes. Umbels large, com- 
pound, with the involucels many-leaved. Petals white, 
inversely heart-shaped, the outer ones usually 2-cleft and 
larger. 
(H. LraNatum.) Stem grooved and woolly, 4-8 ft. high ; leaflets 
petioled, broad, deeply and irregularly toothed. 
II. CARUM, CARAWAY, PARSLEY. 
Calyx-teeth minute. Fruit smooth, oblong or ovate, with 
thread-like ribs; oil-tube single in the intervals between the 
ribs ; base of the styles thickened into a conical mass. Herbs 
with slender, smooth stems, pinnately compound smooth 
leaves, compound umbels, and white or yellowish flowers. 
(C. Carur), Caraway. Leaves large, with the leaflets cut into 
numerous thread-like divisions; flowers white; fruit aromatic, used 
somewhat in this country and more in N. Europe for flavoring 
cookies, bread, etc. Perennial. 
III]. OSMORRHIZA, SWEET CICELY. 
Calyx-teeth wanting. Fruit linear or nearly so, tapered 
away at the base, with 5 equal bristly ribs, without oil-tubes. 
Perennials, springing from stout aromatic roots, with leaves 
compound in threes and white flowers in compound umbels. 
a. (O. BREVISTYLIS), Harry Sweer Cicety. Rather stout 
and hairy. Style and its enlarged base somewhat conical; root 
nauseous. 
b. (OQ. LONGISTYLIS), SMOOTH-LEAVED SWEET CiIcELY. Smooth 
or nearly so. Style rather thread-like ; root of a pleasant aromatic 
flavor (as is also the fruit). 
Caution. So many plants of this family have actively poisonous roots 
and foliage that it is unsafe for any one but a botanist, who can distin- 
guish the poisonous species from the harmless ones, to taste them. 
