400 CAUCALIS. [CLASS V. ordek li. 



front. General and partial involucre various. — Name from 

 J'atu/caXii, the daucus ; from possessing similar properties to tbe 

 carrot. 



1. C. daucoi'des, Linn. (Fig. 459.) Small Bur Parsley. Leaves 

 l)i-pinnalifid or tri-pinnalifid ; segments linear, acute, short ; umbels 

 of few rays; general involucre none ; partial umbels of few flowers, 

 with an involucre of three segments ; prickles of the fruit hooked at 

 the apex. 



English Botany, t. 197. — English Flora, vol. ii. p. 41. — Hooker 

 British Flora, vol. i. p. 137. — Lindley, Synopsis, p. 114. 



Root tapering, fibrous, whitish, somewhat woody. Stem much 

 branched from the base, bushy, roundish or angular, deeply striated or 

 furrowed, smooth or hairy, especially at the joints, leafy. Leaves on 

 channeled footstalks, with a dilated membranous edged base, smooth, or 

 slightly hairy, two or three times pinnated, with numerous short narrow 

 linear acute segments. Umbels \GX\wmix\, the general of three or four 

 stout angular striated rays, somewhat downy, (he partial of about the 

 same number of short ones. General involucre none, or of two or three 

 small narrow linear segments, the partial of three or four lanceolate 

 ones. Flowers while or pinkish, seldom all perfect. Cahjx of five 

 lanceolate short teeth. Petals inversely heart-shaped, with a small 

 inflexed point, the outer ones somewhat larger than the others, and 

 bifid. Stamens on short filaments, with small ovate anthers. Sti/les 

 short, stout, with obtuse stigma j and a conical disk at the base. Fruit 

 large, ovate oblong, its prickles dilated at the base, tapering upwards 

 with a small hooked extremity, rittce under the secondary ridges rather 

 large, simple. Channels obliterated by the prickles. Albumen convex 

 at the back, deeply channeled in front. 



Habitat. — Corn fields, in a chalky or clay soil. In Norfolk, Ox- 

 fordshire, Cambridgeshire, Nottinghamshire, Lincolnshire, and York- 

 shire ; but not very frequent. Not known in Scotland or L'eland. 



Annual ; flowering in June. 



2. C. lati'folia, Linn. (Fig. 460.) Great Bur Parsley Hispid, 

 leaves pinnate; leaflets decurrent, cut and serrated; umbels of two or 

 three rays; involucres wiih ovate membranous segments. 



English Botany, I. 198.— English Flora, vol. ii. p. 41.— Hooker, 

 British Flora, vol. i. p. 136.— Lindley, Synopsis, p. 114. — Turgenia 

 latifolia, Ilojfm. 



hoot tapering. Stem about three feet high, roundish, striated, or 

 furrowed, branched, and somewhat spreading, rough, with minute rigid 

 prickles pointed upwards. Leaves from three to six inches long, simply 

 pinnate, with channeled footstalks, dilated at the base into a sheath, 

 with pale membranous edges, leaflets pinnalifid, or cut or deeply 

 serrated, lanceolate, a somewhat glaucous green, as is the whole plant, 

 veiny bencalh, the iippn ones decurrent at the base in the lower 



