510 UMBELLIFERAE. {Von. I. 
1. Daucus Carota L. Wild Carrot. (Fig. 2632.) 
Daucus Carotal,. Sp. Pl. 242. 1753. 
Hispid, usually biennial, erect, 
1°-3° high, the root fleshy, deep, 
conic. Lower and basal leaves 
2-3-pinnate, the segments linear 
or lanceolate, dentate, lobed or 
pinnatifid; upper leaves smaller, 
less divided; bracts of the invo- 
lucre parted into linear or filiform 
lobes; umbels 2/-4’ broad; rays 
numerous, crowded, 14/-2’ long, 
the inner ones shorter than the 
outer; pedicels very slender, 1//— 
2/’ long in fruit; flowers white, 
the central one of each umbel 
often purple, that of each umbel- 
let occasionally so, all rarely 
pinkish; fruit 114//-2’’ long, 
bristly on the winged ribs. 
In fields and waste places, very common throughout our area, often a pernicious weed. Natu- 
ralized from Europe, and native also of Asia. ‘The original of the cultivated Carrot. Called also 
Bird’s- or Crow’s-nest and Queen Anne’s Lace, June-Sept. 
2. CAUCALIS L,. Sp. Pl. 240. 1753. 
Annual, hispid or pubescent herbs, with pinnately decompound leaves, and compound 
umbels of white or reddish flowers. Calyx-teeth prominent, acute. Bracts of the involucre 
few and small or none. Involucels of several or numerous narrow bracts. Petals cuneate 
or obovate with an inflexed point, mostly 2-lobed. Stylopodium thick, conic. Fruit ovoid 
or oblong, laterally flattened. Primary ribs 5, filiform. Secondary ribs 4, winged, each 
bearing a row of barbed or hooked bristles or tubercles. Oil-tubes solitary under the secon- 
dary ribs, 2 on the commissural side. [The Greek name. ] 
About 20 species, natives of the northern hemisphere. Besides the following introduced ones, 
a native species occurs in western North America. 
Umbels sessile or short-stalked, capitate, opposite the leaves. 1. C. nodosa. 
Umbels compound, peduncled; rays slender. 2. C. Anthriscus. 
1. Caucalis nodésa (L.) Huds. Knotted 
Hedge-Parsley. (Fig. 2633.) 
ay 
6 
Tordylium nodosum I,. Sp. Pl. 240. 1753. tf 
Caucalis nodosa Huds. Fl. Angl. Ed. 2, 114. 1778. SY 
arenes nodosa Gaertn. Fruct. & Sem. 1: 82. pi. 20. f. 6. 
1788. 
Decumbent and spreading, branched at the base, 
the branches 6/-12’ long. Leaves bipinnate, the 
segments linear-oblong, acute, entire or dentate; 
umbels sessile, or short-stalked, forming small capi- 
tate clusters opposite the leaves at the nodes; rays 
I-3, very short; fruit sessile, ovoid, about 114’ long, 
the outer with barbed prickles on the secondary 
ribs, the inner with tubercles. 
In waste places and on ballast, Philadelphia, Mary- 
land and Iowa. Also in the southern States, California, 
the West Indies, and South America. Adventive from 
Europe. May-Aug. 
