UMBEL L IFERA E. 675 



1. Scandix Pecten-Veneris L. Venus'- or Lady's-comr. Shepherd's- 

 NEEnLE. (I. F. f. 2683.) Pubescent; stem 1.5-5 dm. high. Leaves 2-3-pinnately 

 dissected, the lobes acute, less than I mm. wide; involucels of several lanceolate 

 bracts sometimes 2-3-lobed at the apex; flowers nearly sessile; fruiting carpels 

 8-12 mm. long, terminated by a straight flat beak 4-6 cm. long, about 2 mm. 

 wide, its edges with stiff ascending hairs. In waste places, N. J., D. C, and in 

 ballast about the seaports. Fugitive from Europe. May-July. 



8. WASHINGTONIA Raf. [OSMORRHIZA Raf.] 

 Perennial herbs from fleshy clustered roots, with decompound leaves, and few- 

 rayed umbels of white flowers. Involucre and involucels of few narrow bracts, or 

 none. Stylopodium small, conic. Fruit narrow, linear or oblong-linear, short- 

 beaked, compressed, bristly along the ribs, attenuated at the base, Carpels 

 5 -angular, slightly flattened dorsally, the ribs acute, nearly equal; oil-tubes obso- 

 lete or none. [In honor of George Washington.] About 15 species, of N. Am., 

 Asia and S. Am. Besides the following about 8 others occur in the western U. S. 

 Pubescent ; style and stylopodium 1 mm. long or less. 



Style with stylopodium 1 mm. long; involucel-bracts mostly present. 



1. W. Clay torn. 

 Stylopodium 0.5 mm. long; involucel-bracts few or none. 3. W. divaricata. 



Glabrate; style and stylopodium 2 mm. long. 2. W. longistylis. 



1. Washingtonia Claytoni (Michx.) Britton. Woolly Sweet-cicely. 

 (I. F. f. 2680.) Erect, 4-9 dm. high, villous-pubescent. Lower leaves sometimes 

 3 dm. wide, the segments ovate or oval, incised dentate; umbels longpedur.cled, 

 2-6-rayed; rays divaricate, 2-5 cm. long in fruit; involucels of several subulate 

 bracts; fruit about 12 mm. long, about 2 mm. wide; stylopodium slender- conic. 

 In woods, N. S. to S. Dak., Minn,, N. Car., 111. and Kans. May-June. 



2. Washingtonia longistylis (Torr.) Britton. Smoother Sweet cicely. 

 (I. F. f. 2681.) Similar to the preceding but only slightly pubescent, the stems 

 and petioles at length quite glabrous; bracts of the involucels lanceolate, 6-8 mm. 

 long, persistent. In woods, N. S. to the N. W. Terr., Ala., Tenn. and Kans. Roots 

 more spicy than those of W. Claytoni. May-June. 



3. Washingtonia divaricata Britton. Western Sweet-cicely. (I. F. f. 

 2682.) Stem 6-9 dm. high; leaf- segments thin, ovate, acute, or acuminate, 

 coarsely toothed and usually incised, 1-6 cm. long; umbels long-peduncled, 3-6- 

 rayed, the very slender divaricate rays 5-10 cm. long in fruit; involucels of 1-3 

 subulate bracts, or none; pedicels very slender, 4-25 cm. long; fruit about 12 mm. 

 long, 2 mm. wide or rather more, beaked. Manitoba to S. Dak., Br. Col. and 

 Cal. May-June. 



9. TORILIS Adans. 



Annual, hispid or pubescent herbs, with pinnately decompound leaves, and com- 

 pound 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, fili- 

 form. 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. 

 Umbels sessile or ?hort-stalked, capitate, opposite the leaves. 1. T. nodosa. 



Umbels compound, peduncled ; rays slender. 2. T. Anthriscus. 



i. Torilis nodosa (L.) Gaertn. Knotted Hedge-parsley. (I. F. f. 2633.) 

 Decumbent and spreading. Leaves bipinnate, the segments linear-oblong, 

 acute; rays 1-3, very short; fruit sessile, ovoid, about 3 mm. long, the outer with 

 barbed prickles on the secondary ribs, the inner with tubercles. In waste places, 

 Pa.. Md. and Iowa. Also in the Southern States, Cal., the W. Indies and S. Am. 

 Adventive from Europe. May-Aug. [Cauca/is nodosa (L. ) Huds.l 



2. Torilis Anthriscus (L. 1 Gmel. Erect Hedge-parsley, (I. F. f. 2634.) 

 Erect, 6-9 dm. high. Leaves bipinnate, or the uppermost simply pinnate, the seg- 

 ments lanceolate, obtuse, dentate or pinnatifid; umbels slender-ped uncled; pedicels 

 2-4 mm. long in fruit; rays 3-8. about 1 cm. long; fruit ovoid-oblong, densely 

 bristly, 3-4 mm- long. In waste places. N. J. to D. C. and Ohio. Adventive 

 from Europe. July -Sept. [Cauca/is Anthriscus (L.) Huds.£ 



