ORDER 63 UMBELLIFER^E. 139 



1 T. barbiuodc N. St. pubescent at the nodes ; Ivs. triteruate and biternate ; Ifts. 



wedge-ovate, cut-serrate : fr. large (3"). elliptical, 6-winged. River banks. St. 2 3f, 

 angular and grooved. Rays 2', each 20-flowered. Flowers deep yellow. June. 



2 T. Walter! Shutt. Stem rough-puberulent above ; Ivs. triternate to ternat* ; Ifts. 



pinnatifid with linear -oblong segments ; fruit oblong, narrowly 8-10-winged. Barrens, 

 Ky. to E. Tenn. and TV . Car. (Zizia. pinnatifida Buckley.) 



17. PIMPINELLA, L. ANISE. ZIZIA. Calyx teeth obsolete. Fruit 

 orate, oval, or roundish, laterally compressed and contracted at the com- 

 missure, ribs very slender, with many vittae. Styles slender. Seeds teretely 

 5-angled. U Leaves decompound. Involucra 0, or scarcely any. 



1 P. integrifolia (B. & H.) Smooth, glaucous ; Ivs. bi- or tri-ternate, with elliptic- 



oblong, entire, acute Ifts. (10 ; umb. (yellow) with 13 very slender (230 rays ; fr. oval, 

 with 3 vittse in each interval. Rocky woods. 1 - 3f. May July. (Zizia, DC.) 



2 I*. ANISUM. Anise. Smooth, shining; root Ivs. criftd, cauline multifid, with narrow- 



ly-linear segments ; umbels large, many-rayed. Egypt. Richly aromatic. 



18. FCENICULUM, Adans. FENNEL. Fruit elliptic-oblong, sub- 

 terete. Carpels each with 5 carinate ribs, intervals with single vittae. 

 Involucra 0. Leaves biternately dissected. Flowers yellow. 



F. VULGARE. Leaf segm. linear-subulate, elongated, or filiform ; umb. of 1530 unequal 

 rays, (g) Europe. 3 5f. The turgid seeds are warmly aromatic. (Anethum, C-B.) 



19. DAUCUS, Tourn. CARROT. Calyx limb 5-toothed. Pet. the 2 

 outer often largest and deeply 2-cleft. Fr. oblong. Carpels with 5 pri- 

 mary, bristly ribs, and 4 secondary, the latter more prominent, winged, 

 and divided each into a single row of prickles, and having single vittsB 

 beneath. () Invol. pinnatifid. Involucels of entire or 3-cleft bracts. Fls. 

 white, the central one abortive. 



1 1>. Carota L. Stem hispid : Ivs. tripinnatifid, the segm. linear, cuspidate-pointed ; 



umbels dense, concave ; invol. pinnate. Fields, waysides : common. 3f. Eur. In 

 cultivation the root becomes conical, fleshy, red to yellow, and nutritious. Jl. Sept. 



2 D. pusillus MX. Slender, retrorsely hispid; Ivs. bipinnatifld, divisions deeply 



lobed with linear-oblong, merely acute segments ; invol. bipinnatifld. Dry soils, S. 

 Car. to Fla., and W. 1 3f. June. 



20. CONIUM, L. POISON HEMLOCK. Calyx margin obsolete. Fruit 

 ovate, laterally compressed. Carpels with 5 acute, equal, undulate-crenu- 

 late ribs, lateral ones marginal. Vittae 0. Seeds with a deep, narrow groove 

 on the face. (2) Poisonous. Leaves decompound. Involucra and involu- 

 cels 3-5-leaved, the latter unilateral. Flowers white. 



C. maculatum L. St. spotted; Ivs. tripinnate ; Ifts. lanceolate, pinnatifld ; involu- 

 ce] short ; fruit smooth. Waste grounds, waysides, if. Much branched. An iU- 

 eccnted narcotic. July. Europe. 



21. SELINUM, L. Calyx teeth obsolete. Fr. ovoid to oblong, terete. 

 Carpels slightly compressed on the back, semitertte, with 5 winged ribs, 

 the lateral wings broadest, intervals with 1 (rarely 2) vittae. U Glabrous, 

 tall, branched. Lvs. pinnately decompound. Un.b. rays oc. Invol. bracts 

 0- -few. Involucels oo-bracted. Fig. 303. 



