UMBELLIFERAE (PARSLEY FAMILY) 617 



with pinnately compound leaves, involucels of numerous nar- 

 rowly lanceolate acuminate bractlets, and long-peduncled 

 umbels of white flowers. (Name from e-5, well, and \60os, a 

 crest, alluding to the calyx or perhaps to the plume-like leaves.) 

 1. E. americanus 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 4-6 mm. long. 0. to Mo., 

 Term., and Ark. July. FIG. 832. 



23. ANTHRISCUS Bernh. CHERVIL 



Fruit linear, notched at base, beaked, glabrous, without 

 832. E. americanus ribs (but beak ribbed) ; oil-tubes none, stylopodium conical, 

 x 4. seed-face sulcate. Resembling Chaerophyllum in vegetative 



characters. (The ancient Roman name.) 



1. A. CEREFOLIUM (L.) Hoffm. Mature fruit smooth and shining. Waste 

 places, fields, etc., Que. and e. Pa. (Introd. from Eu.) 



24. SCANDIX [Tourn.] L. VENUS' COMB 



Fruit narrowly oblong, terminating in a long linear beak. Oil-tubes solitary 

 at the intervals or none. Carpels subterete. Seed concave on the inner face. 

 Slender annuals with pinnately much divided leaves and white flowers. (An- 

 cient Greek name of the Chervil.) 



1. S. PECTEN-VENERIS L. Sparingly pubescent, 2-5 dm. high, commonly 

 branched from the base ; flowers nearly sessile ; the beak of the fruit 4-6 cm. 

 long, densely ciliate on the edges. Waste places, especially near Atlantic 

 ports, more sparingly westw. (Adv. from Eurasia. ) 



25. BUPLEtFRUM [Tourn.] L. THOROUGH-WAX 



Calyx-teeth obsolete. Fruit oblong, with very slender ribs, no oil-tubes, 

 depressed stylopodium, and seed-face somewhat concave. Smooth annual, 

 with ovate perfoliate entire leaves, no involucre, involucels of 5 very con- 

 spicuous ovate mucronate bractlets, and yellow flowers. (Name from /Sous, an 

 ox, and ir\evpbv, a rib.) 



1. B. ROTUNDIF6LIUM L. Frequent in fields, etc., N. H. to N. C., S. Dak., 

 and Ariz. (Nat from Eu.) 



26. LILAE6PSIS Greene. 



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. Dwarf creeper with hollow cylindrical or awl-shaped nodose 

 petioles in place of leaves, simple few-flowered umbels, and white flowers. 

 (Named from its resemblance to Lilaea.) CRANTZIA Nutt., not Scop. 



1. L. lineata (Michx.) Greene. Leaves very obtuse, 2-8 cm. long, 2-4 mm. 

 broad ; fruit 2 mm. long, the thick lateral wings forming a corky margin. 

 (Crantzia Nutt.) In mud of brackish marshes along the coast, N. E. to Miss. 

 July. (Widely distributed.) 



27. CYNOSCIADIUM DC. 



Calyx-teeth distinct. Fruit short, glabrous, scarcely flattened ; lateral ribs 

 forming a corky margin ; stylopodium conical. Slender annuals, with pin- 

 nately divided leaves. Involucre and involueels present. Petals white. (Name 

 from KiW, dog, and ffKidSiov, a sunshade, a fanciful designation referring to the 

 umbels.) 



