626 



AMMIACEAE. 



Vol. II. 



I. Torilis nodosa (L.) Gaertn. Knotted Hedge- 

 Parsley. Fig. 3105. 



Tordylium nodosum L. Sp. PI. 240. 1753. 

 Caucalis nodosa Huds. Fl. Angl. Ed. 2, 114. 1778. 



Torilis nodosa Gaertn. Fruct. & Sem. i : 82. pi, zo. f, 6. 

 1788. 



Decumbent and spreading, branched at the base, the 

 branches 6'-i2' long. Leaves bipinnate, the segments 

 linear-oblong, acute, entire or dentate; umbels sessile, 

 or short-stalked, forming small capitate clusters oppo- 

 site the leaves at the nodes; rays 1-3, very short; fruit 

 sessile, ovoid, about ij" 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. 



2. Torilis Anthriscus (L.) Gmel. 

 Erect Hedge-Parsley. Fig. 3106. 



Tordylium Anthriscus L. Sp. PI. 240. 1753. 



Caucalis Anthriscus Huds. Fl. Angl. Ed. 2, 114. 

 1778. 



Torilis Anthriscus Gmel. Fl. Bad. i : 613. 1806. 



Erect, rather slender, 2°-^° high. Leaves 

 bipinnate, or the uppermost simply pinnate, 

 the segments lanceolate, obtuse, dentate or 

 pinnatifid; umbels slender-peduncled, 1-2' 

 long; pedicels i"-2" long in fruit; rays 

 3-8, slender, about ¥ long; fruit ovoid- 

 oblong, densely bristly on the secondary 

 ribs, ih"-2" long. 



In waste places, New Jersey to the District 

 of Columbia, western New York. Ohio, Mis- 

 souri and Oklahoma. Adventive from Europe. 

 Rough- or hemlock-chervil. Scabby head. 

 Rough cicely. July-Sept. 



5. SCANDIX [Tonm.] L. Sp. PI. 256. 1753. 



Annual herbs, with pinnately dissected leaves, the lobes very narrow. Flowers white, in 

 compound several-rayed (rarely l-rayed) umbels. Involucre none, or rarely of I bract. 

 Involucels of several entire lobed or dissected bracts. Calyx-teeth minute or obsolete. Petals 

 mostly unequal, the outer larger. Fruit linear, or linear-oblong, flattened laterally, pro- 

 longed into a beak mostly much longer than the body; primary ribs prominent; secondary 

 ribs none; oil-tubes solitary, or wanting. Seed-face sulcate. Stylopodium short. [Greek 

 name of the plant.] 



About 10 species, natives of the Old World, the following typical. 



