274 



AMMIACEAE. 



3. TOBILIS Adans. 



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 narrow bracts. 

 Petals mostly 2-lobed. Stylopodium thick, conic. Fruit ovoid or oblong. 

 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. [The Greek name.] About 20 species, of the 

 northern hemisphere. Type species: Tordylium Anthriscus L. 



Umbels short-stalked or sessile, capitate, opposite the leaves. 

 Umbels peduncled, slender-rayed, compound. 



1. Torilis nodosa (L.) Gaertn. 

 KNOTTED HEDGE-PARSLEY. (Fig. 295.) 

 Decumbent and spreading. Leaves bi- 

 pinnate, the segments linear-oblong, 

 acute; rays 1-3, very short; fruit sessile, 

 ovoid, about IV' long, the outer with 

 barbed prickles on the secondary ribs, 

 the inner with tubercles. \_Tordyllum 

 nodosum L. ; Caucalis nodosa Huds.] 



In waste places, and cultivated ground, 

 rather common. Naturalized. Native of 

 Europe. Widely naturalized in the United 

 States. Flowers in spring. 



1. T. nodosa. 



2. T. Anthriscus. 



2. Torilis Anthriscus 

 (L.) Gmel. ERECT HEDGE- 

 PARSLEY. (Fig. 296.) Erect, 

 2-3 high. Leaves bipin- 

 nate, or the uppermost sim- 

 ply pinnate, the segments 

 lanceolate, obtuse, dentate or 

 pinnatifid; umbels slender- 

 peduncled ; pedicels l"-2" 

 long in fruit; rays 3-8, 

 about 5" long; fruit ovoid- 

 oblong, densely bristly, 

 about 2" long. [Tordylium 

 Anthriscus L. ; Caucalis An- 

 thriscus Huds.] 

 A weed in cultivated grounds. Agricultural Station, 1911, abundant there and 



observed elsewhere in Paget in 1014. Native of Europe. Adventive in the eastern 



United States. Flowers in spring and summer. 



