CLASS V. ORDER II.] APIUM. 335 



footstalk, channeled above, the upper ones linear, lanceolate, sessile, 

 with an acute point, curved in a falcate manner. Umbels terminal, 

 compound, of from four to ten slender mostly unequal rays. General 

 involucre of from one to five unequal lanceolate or ovate segments, and 

 sometimes they are wanting, partial of five equal broadly lanceolate 

 fine pointed three ribbed segments, as long as the partial umbels, of 

 numerous yellow flowers, on short pedicles. Petals small, with a 

 single rib and incurved point Anthers small, ovate, on incurved 

 filaments. Styles short, spreading. Stigma simple, somewhat capi- 

 tate, disk large, flat, depressed, yellow, fleshy. Fruit ovate oblong, 

 with compressed sides, and fire narrow somewhat winged and slightly 

 waved primary ridges, the channels between plain, smooth, with three 

 small vitlce. 



Habitat. Borders of fields between High Ongar and Chelinsford, 

 Essex, growing by the road side within the field for nearly a mile. 

 Mr. T. Corder,jun. 



Perennial ; flowering in June. 



GENUS L. A'PIUM. LINN. Celery. 



GEN. CHAR. Calyx limb obsolete. Petals roundish, entire, with an 

 involute point. Fruit roundish, laterally contracted, double. 

 Carpels with five filiform equal ridges, the two lateral ones form- 

 ing the margin. Channels with single vittce, the outer ones 

 sometimes having two or three. Albumen very convex at the 

 hack, plain in front. Involucre wanting. Flowers white. Name 

 from " apon, water, in Celtic ; from the place where the plant 

 grows." 



1. A. grave' olens, Linn. (Fig. 419.) Smallage or wild Celery. 

 Smooth ; leaves pinnate ; leaflets wedge-shaped, lobed and toothed at 

 the apex. 



English Botany, t. 1210. English Flora, vol. ii. p. 76. Hooker, 

 British Flora, vol. i. p. 127. Lindley, Synopsis, p. 123. 



Root somewhat tapering and branched. The whole plant smooth 

 and shining, of a dark green. Stem erect, much branched and 

 spreading, furrowed, from one to two feet high, leafy. Leaves alternate, 

 pinnate, the lower on long channeled footstalks, the leaflets large, 

 wedge-shaped, three lobed, and irregularly toothed, with slender 

 branched veins, the upper leaves on short stalks, ternate, lobed and 

 toothed, or sometimes lanceolate toothed. Umbels terminal and 

 lateral, on footstalks, or sessile, of from four to ten unequal rays, the 

 partial umbels of numerous small white flowers, on short slender 

 pedicles. General and partial involucre wanting. Calyx limb 

 TOL. I. ' 3 A 



