138 ORDER 63. UMBELLLFEILE. 



beaked. Carpels with 5 obtuse, equal ribs, intervals with single vittoe. 

 Commissure deeply sulcate. @ (g) Leaves 2-3-pinnately divided. Segm. 

 incisely cleft or toothed. In vol. 0,. or few-leaved. Involucel many- 

 leaved. Flowers mostly white. Umb. mostly sessile. 



1 C. procumbens Lam. Slender, spreading, smoothish; If. segm. trifid and pin- 



natifid, lobes oblong, obtuse ; umb. few-rayed, sessile or pedunculate ; fr. acute, riba 

 narrower than the intervals. Damp woods, 111. to Penn., and S. 1 2f. April, May. 



2 C. Tainturieri Hook. Ascending or erect, some hairy ; If. segm. crowded, again 



pinnatifid or bipinnatifld, ultimate segm. acute ; fr. short-beaked, ribs broader than 

 the intervals. Ga. to Fla. and La. 10 2(X. Much branched. Fruit 4". March, Apr. 



3 C. SATIVUM. Garden C. Lf. segm. ovate, cut or cleft ; fr. smooth, shining. Eur. W. 



1 3. CRYFTOTJENIA, DC. HONEWORT. Margin of the calyx obso- 

 lete. Fruit elliptical, with slender styles. Carpels with 5 obtuse ribs. Car- 

 pophore free, 2-parted. Vittse very narrow, twice as many as the ribs. U 

 Leaves 3-parted, lobed and doubly-serrate. Umbels compound, with very 

 unequal rays. In vol. 0. Involucels few-leaved. Flowers white. 



C. Canadensis DC. Common in moist woods. Plant smooth, 2 3f, with large Ifts. 

 (3' by 20- Umb. panicled, slender, involucels minute. Fr. 2" long, styles 1". Jn.-Sept. 



14. BUPLEURUM, Tourn. THOROUGH-WAX. Calyx teeth 0. Fruit 

 laterally compressed. Carpels 5-ribbed, lateral ones marginal. Seed terete- 

 ly convex, flattish on the face. Herbaceous or shrubby. Lvs. (or phyllo- 

 dia) entire. Involucra various. Flowers yellow. 



K. rotundifolinm L. Lvs. (phyllodia) roundish-ovate, entire, perfoliate ; in vol. ; 

 involucels of 5, ovate, mucronate bracts. Fields, N. Y. to Va. liare. Europe. 



15. CARUM, L. CARAWAY. ALEXANDERS. Cal. teeth minute or 0. 

 Disk broad-conic. Fr. ovate or oblong, laterally compressed. Carpels 5- 

 angled, with 5 10 prominent, filiform, equal ribs, the two lateral border- 

 ing the commissure. Intervals with a single, rarely 2, vitta?. Seeds sub- 

 terete. Leaves temate to decompound. Involucra various. 



ZIZIA. Lvs. simple, or 1-2-ternate, ovate. Cal. teeth minute. Pet. yellow. . .Nos. 1, 2 

 CARUM. Lvs. pinnately or temately dissected. Cal. teeth 0. Pet. white. . .Nos. 3, 4 



1 C. aureum. Golden Alexanders. Lvs. 1-2-ternate ; Ifts. thin, lance-oblong, sharp- 



ly serrate ; umb. rays 1'; invol. 0; involucels 3-lvd. ; fr. oval, the ribs acute or winged. 

 "H Meadows and banks. 1 2f. Smooth throughout. Fls. deep yel. Ju. (Thaspium, N.) 



2 C. corda,tum. Root Ivs. simple, cordate, crenate, on long stalks ; st. Ivs. becoming 



3-parted, ternate, or quinate, serrate : fr. roundish-oval, with acute or winged ribs; 

 fls. yellow, varying to brownish. Rocky shades. 2 3f. May, June. (Thaspium, N.) 



3 C. PETROSKLINUM B. & H. Parsley. Leaf segm. numerous, wedge-ovate to lance-ob- 



long, acute, incised ; invol. Ivs. few or ; involucels subulate. 11 Greece. 2 3f. Jn. 



4 C. CARVI. Caraway. Lf. segm. numerous, linear to filiform ; invol. 1-lvd. or ; invo- 



lucela 0. V. Europe. 2 3f. Lvs. large. Fls. white. Fr. oblong, aromatic. June. 



16. THASPIUM, Nutt. GOLDEN ALEXANDERS. Calyx margin 5- 

 toothed. Fruit ovoid, transversely subterete. Carpels semiterete, with 5 

 prominent or winged ribs, the lateral margined. Intervals with single 

 vitlsn if Umbels without an invol. Involucels 3-lvd., lateral. Fls. yellow. 



