Calyx-teeth small. Fruit globose or slightly flattened laterally; dorsal ribs filiform, the lateral thick and corky; oil-tubes solitary in the intervals, 2 on the commissure.--Small perennials, creeping and rooting in the mud, with hollow cylindrical or awl-shaped nodose petioles in place of leaves, simple few-flowered umbels, and white flowers. (Named for _Prof. Henry John Crantz_, an Austrian botanist of the 18th century.) 1. C. lineàta, Nutt. Leaves very obtuse, 1--3´ long, 1--2´´ broad; fruit 1´´ long, the thick lateral wings forming a corky margin.--In brackish marshes along the coast, from Mass. to Miss. July. Very widely distributed. 16. FŒNÍCULUM, Adans. FENNEL. Calyx-teeth obsolete. Fruit oblong, glabrous, with prominent ribs and solitary oil-tubes.--Stout glabrous aromatic herb, with leaves dissected into numerous filiform segments, no involucre nor involucels, and large umbels of yellow flowers. (The Latin name, from _fœnum_, hay.) F. OFFICINÀLE, All., the cultivated fennel from Europe, has become naturalized along the shores of Md. and Va., and is a common escape. 17. PIMPINÉLLA, L. Calyx-teeth obsolete. Fruit oblong to ovate, glabrous, with slender equal ribs, numerous oil-tubes, and depressed or cushion-like stylopodium.--Glabrous perennials, with ternately or pinnately compound leaves, involucre and involucels scanty or none, and white or yellow flowers. (Name said to be formed from _bipinnula_, referring to the bipinnate leaves.) 1. P. integérrima, Benth. & Hook. Glaucous, 1--3° high, slender, branching; leaves 2--3-ternate, with lanceolate to ovate entire leaflets; flowers yellow; fruit broadly oblong, 2´´ long; stylopodium small or wanting. (Zizia integerrima, _DC._)--Rocky hillsides, Atlantic States to Minn., E. Kan., and Ark. May. P. SAXÍFRAGA, L., var. MÀJOR, Koch. Leaves simply pinnate, with sharply toothed leaflets; flowers white; fruit oblong, 1´´ long; stylopodium cushion-like.--Rocky shores of Delaware River; Sycamore, Ohio. (Nat. from Eu.) 18. EÙLOPHUS, Nutt. Calyx-teeth prominent. Fruit ovate or oblong, glabrous, with equal filiform ribs; oil-tubes 1--5 in the intervals; stylopodium conical, with long recurved styles; seed-face broadly concave, with a central longitudinal ridge.--Glabrous perennials (3--5° high) from deep-seated fascicled tubers, with pinnately or ternately compound leaves, involucels of numerous narrowly lanceolate acuminate bractlets, and long-peduncled umbels of white flowers. (Name from εὖ, _well_, and λόφος, _a crest_,--not well applied to a plant with no crest at all.) 1. E. Americànus, Nutt. Radical and lower stem-leaves large, 1--2-pinnately compound, with leaflets cut into short narrow segments; upper stem-leaves ternate, with narrowly linear elongated leaflets; fruit 2--3´´ long.--Ohio to Ill. and Mo., south to Tenn. and Ark. July. 19. ANTHRÍSCUS, Hoffm. CHERVIL.