This section is from the book "An Illustrated Flora Of The Northern United States, Canada And The British Possessions Vol2", by Nathaniel Lord Britton, Addison Brown. Also available from Amazon: An Illustrated Flora of the Northern United States, Canada and the British Possessions. 3 Volume Set..
Daucus Carota L. Sp. Pl. 242. 1753.
Bristly-hispid, usually biennial, erect, 1°-3° high, the root fleshy, deep, conic. Lower and basal leaves 2-3-pinnate, the segments lanceolate, dentate, lobed or pin-natifid; upper leaves smaller, less divided; bracts of the involucre parted into linear or filiform lobes; umbels 2'-4' broad; rays numerous, crowded, 1/2'-2' long, the inner one9 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 1 1/2"-2" long, bristly on the winged ribs.
In fields and waste places, very common nearly throughout our area, often a pernicious weed. Naturalized from Europe, and native also of Asia. The original of the cultivated carrot. Bird's- or crow's-nest. Queen Anne's-lace. Bird's-nest-plant. Lace-flower. Parsnip. Devil's-plague. Rantipole. June-Sept.
4. TËRILIS Adans. Fam. PI. 2: 99, 612. 1763.
Annual, hispid or pubescent herbs, with pinnately decompound leaves, and compound umbels of white flowers. Calyx-teeth triangular, 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 secondary ribs, 2 on the commissural side. [Significance of the name unknown.]
About 20 species, natives of the northern hemisphere. Besides the following introduced ones, a native species occurs in western North America. Type species: Tordylium Anthriscus L. The generic name Caucalis L., used for these plants in our first edition, is now restricted to different Old World species. C. latifolia L. has been found on ballast grounds at Philadelphia.
Umbels sessile or short-stalked, capitate, opposite the leaves.
Umbels compound, long-peduncled; rays slender.
Tordylium nodosum L. Sp. Pl. 240. 1753.
Caucalis nodosa Huds. Fl. Angl. Ed. 2, 114. 1778.
Torilis nodosa Gaertn. Fruct. & Sem. 1: 82. pl. 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 capitate clusters opposite the leaves at the nodes; rays 1-3, very short; fruit sessile, ovoid, about 1 1/2" long, the outer with barbed prickles on the secondary ribs, the inner with tubercles.
In waste places and on ballast, Philadelphia, Maryland and Iowa. Also in the Southern States, California, the West Indies, and South America. Adventive from Europe. May-Aug.