CLASS V. ORDER II.] CAUCUS. 397 



TRIBE 7. DAUCINE^E. Koch. Fruit compressed at the back, or 

 roundish, on a transverse section. Channels with five primary 

 filiform bristly ridges, the lateral ones being placed on the com- 

 missure, and with four secondary ridges, bristly, and more prominent 

 than the others, the bristles free, or united with a kind of wing. 

 Albumen flattisli in front, or roundish. 



GENUS LXXVII. DAU'CUS. LINN. Carrot. 



GEN. CHAR. Calyx of five teeth. Petals obcordate, with an inflexed 

 point, the outer ones radiant, bifid. Fruit compressed at the back. 

 Carpels with five primary filiform bristly ridges, three at the back, 

 the two lateral ones on the plane of the commissure, the four 

 secondary ones more prominent than the rest, and with a single 

 row of prickles. Channels under the secondary ridges, with single 

 vittce. Albumen flat in front. General and partial involucre of 

 numerous segments, the former often wanting. Name from 

 5u;0?, daucus. 



1. D. Caro^ta, Linn. (Fig. 457.) Wild Carrot. Bristles of the fruit 

 slender; leaves two or three pinnate; leaflets pinnalifid, with linear 

 lanceolate acute segments; involucre of pinnatitid segments; umbels 

 with a solitary abortive coloured flower in the centre, when in seed, 

 concave. 



English Botany, t. 1174. English Flora, vol. ii. p. 39. Hooker, 

 British Flora, vol. i. p. 136. Lindley, Synopsis, p. 113. 



Root tapering, slender, yellowish, sweetish, with a pleasant aromatic 

 smell. Stem erect, from one to three feet high, roundish, coarsely 

 striated, and more or less rough, with deflexed hairs or bristles. Leaves 

 small above, larger below, footstalks striated, with a dilated sheathing 

 base, two or three times pinnate, with narrow lanceolate more or less 

 linear acute segments, with a bristly point, smooth, or clothed more or 

 less with white soft or rigid hairs, especially on the under side. Umbels 

 terminal and lateral, the general of numerous unequal striated downy 

 or smooth rays, spreading when in flower, concave when in seed, from 

 the longer outer rays bending over and enclosing the shorter inner 

 ones, and in the centre of the umbel is a short ray, with two or three 

 abortive mostly coloured flowers, the partial of numerous short slender 

 unequal ones. General involucre of numerous spreading pinnated 

 segments, smooth, or somewhat rough, partial numerous, narrow, 

 lanceolate, with a pale thin membranous margin. Flowers white or 

 pinkish. Calyx of five small acute teeth. Petals nearly equal, except 



