UMBELLIFERiE. 119 



wings spring, rather distant from the other 3 ; commissural face with 

 2 superficial slightly-curved vittre. Plant dark-green, glabrous. 



Sea Hog^ s-Fennel, Sulphur-wort. 



French, Feucedane Officinal. German, Gebrduchlicher Ilaarstrang. 



This plant was formerly in the list of herb remedies, and many stimulating 

 qualities have been attributed to its root. It is, however, of doubtful value for internal 

 use. Gerarde calls it Horsestrange and Horestrong, and says it is known as Sulphur- 

 wort and Brimstone-wort. The root, when wounded in the spring, yields a con- 

 siderable quantity of a yellow juice which dries into a gummy resin, and retains the 

 strong scent of the root. Gerarde gives a list of twelve different methods of using 

 this plant in various disorders, against each of which he describes it to be a " present 

 remedie." 



Section II.— THYSSELINUM. IToffm. 



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

 stices with solitary vittse ; commissural vittae deep - seated, not 

 visible through the pericarp. Involucre many-leaved, reflexed. 



SPECIES XL— PEUCE DAN UM PALUSTRE. Mdnck. 



Plate DCX. 



JBillot, n. Gall, et Germ. Exsicc. No. 784. 



Thysselinum palustre, Hoffin. Koch, Syn. Fl. Germ, et Helv. ed. ii. p. 336. 



Selinum palustre, Linn. Sm. Eng. Bot. No. 229. 



Leaves thrice pinnate; leaflets pinnatifid; segments strap- 

 shaped, acuminate. Involucre of numerous persistent deflexed 

 leaves. Plowers white. Pedicels longer than the fruit. Cremo- 

 carp elliptical-oval, compressed ; mericarps each with 5 thick blunt 

 contiguous equidistant ridges. 



In fens and marshes. Local. On Burtel Moor, Bridgewater, 

 Somerset ; Epping Eorest, Essex ; and several localities in tlie fenny 

 districts of Norfolk, Suffolk, Cambridge, Huntingdon, and Lincoln : 

 also on Thorne Moor, near Doncaster, Yorkshire. 



England. Perennial. Late Summer and Autumn. 



Bootstock thickened, stem erect, 3 to 5 feet high, furrowed, 

 hollow below, slightly branched above. Radical leaves very large, 

 somewhat resembling those of Hemlock, divided into fine segments ; 

 ultimate segments ^ to 1 inch long. Rays of the umbel 12 to 30, 

 rather stout, 1^ to 2 inches long ; pedicels ^ to ^ inch long. Elowers 

 ■3^2- inch across, not radiant, white, tlie central ones barren. Calyx- 

 teeth very minute, deltoid. Petals obovatc, slightly notched, with 

 an inflexed point. Cremocarp \ inch long, greenish - olive and 

 chestnut-colour, with the ridges very thick, filling up the inter- 



