US ENGLISH BOTANY. 



a broad wing ; interstices each with 1 to 3 vittse. Involucre 

 variable. 



Plants with decompound leaves, and yellow, white, or greenish 

 flowers. 



This genus of plants is said to be the nevKilavov (peuledtuwn) of Theophrastus 

 and Dioscorides, aud the naiue is derived from irivKt] (jieuke), the pine-tree, on account 

 of the resinous smell of its leaves. 



Section I.— EU-PEUCEDANUM. D. C. 



Calyx-limb 5-toothed. Wings of the mericarps narrow ; inter- 

 stices with a single vitta ; commissural vittae superficial. Invo- 

 lucre absent or few-leaved. 



SPECIES I— PEUCEDANUM OFFICINALE 



Plate DCIX. 

 Billot, Fl. Gall, et Germ. Exsicc. No. 3391. 



Leaves 3- to 5-times ternate ; leaflets linear, attenuated at both 

 ends, 3-nerved, entire. Involucre of about 3 linear-acuminate 

 deciduous leaves. Elowers buff-yellow. Pedicels much longer than 

 the fruit. Cremocarp elliptical-oval, much compressed ; mericarps 

 each with 5 slender ridges on the back, the 3 central ones con- 

 tiguous and the 2 lateral remote. 



In salt marshes. Very rare. About Eaversham and Whitstable, 

 Kent, and near Walton, Essex. 



England. Perennial. Autumn. 



Stem erect, 18 inches to 4 feet high, round, solid, finely striate, 

 branched at the apex ; branches frequently opposite. Radical 

 leaves very large, on long stalks, 3 times ternate in the specimens 

 which have come under my notice, but, according to Koch and 

 other writers, 5 times ternate ; leaflets parallel-nerved, somewhat 

 grass-like, 1 to 1 inches long, spreading, flaccid. Umbels of 10 to 

 20 slender straight rays, 1$ to i inches long ; pedicels \ to 1 inch 

 long. Involucels of setaceous leaves much shorter than the pedicels. 

 Elowers -£% inch across, not radiant, pale-yellow, the central ones 

 mostly barren. Calyx-teeth very minute, triangular. Petals roundish- 

 oval, emarginate. with Lnflexed points. Stamens very long. Styles 

 thick, sharply recurved, about as long as the Btylopod. Cremocarp 

 olive-brown, \ inch long, about twice as long as broad, the wing 

 about one-quarter of the breadth of the solid part, truncate at the 

 base; ridges slightly elevated, the marginal ones, from which the 



