ORDER 63. UMBELLIFEILE 139 



1 T. barblnode N. St. pubescent at the nodi*; Ivs. ttiternate and biternate ; Ifts. 



wedge-ovate, cut-serrate : fr. large (3"). elliptical, 6-winged. River banks. St. 8 8f, 

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



2 T. Walterl Shutt. Stem rough-pnberulent above ; Ivs. triternate to ternat* ; Ifts. 



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

 Ky. to E. Tenn. and VI .- Car. (Zizi& pinnatiflda Buckley.) 



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

 o\ ate, oval, or roundish, laterally compressed and contracted at the com- 

 ti>issi;re, ribs very slender, with many vittae. Styles slender. Seeds teretely 

 5 -angled, if Leaves decompound. In volucra 0, or scarcely any. 



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



oblonir. entire, acute Ifts. (10 : umb. (yellow) with 13 very slender (2 30 rays; fr. oval, 

 with 3 vittse in each interval. Rocky woods. l-4f. May July. (Zizia, DC.) 



2 P. ANISUM. Anise. Smooth, shining ; root Ivs ,rifld, cauline multifld, with narrow- 



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



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

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

 Involucra 0. Leaves biteruately dissected. Flowers yellow. 



P. VUIXJARE. Leaf segm. linear-subulate, elongated, or filiform ; umb. of 15 30 unequal 

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



19. DAUCUS, Toum. 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 vittaa 



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

 white, the central one abortive. 



1 D. Carota L. Stem hispid: Ivs. tripinnatifid, the pegm. 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 1>. pusillus MX. Slender, retrorsely hispid; Ivs. bipinnatifid, 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, uudulate-crenu- 

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

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

 oi Is 3-5-leaved, the latter unilateral. Flowers white. 



I' maculatum L. St. spotted ; Ivs. tripinnate ; Ifts. lanceolate, pinnatifid ; involu- 

 ccl short ; fruit smooth. Waste grounds, waysides, if. Much branched. An ill- 

 scented narcotic. July. Europe. 



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

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

 the lateral wings broadest, inteiTals with 1 (rarely 2) vittse. y Glabrous, 

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

 0- -few. Involucels oo-bracted. Fig. 30H. 



