138 OitDKK (53. UMBELLIFEILE. 



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

 Commissure deeply suleate. () Leaves 2-3-pinnalely divided. Segm. 

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

 leaved. Flowers mostly white, limb, mostly sessile. 



1 O. prociimbeiis Lam. Slender, spreading, smoothish ; If. segm. trifld and pin- 



imtitid. lobes oblong, obtuse; umb. few-rayod, sessile or pedunculate; fr. acute, ribs 

 narrower than the intervals. Damp woods, 111. to Penn., and 8. 1 2f. April, May. 



2 C. Xalnturleri Hook. Ascending or erect, some hairy ; If. segra. crowded, agnin 



pinnntifid or bipinnatifld. Hltimate segm. acute; fr. short-beaked, ribs broader than 

 the intervals. Ga. to Fla. and La. 10 SO 7 . Much branched. Fruit 4". March, A|>r. 



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



] 3. CRYPTOTJENIA, DC. HONEWORT. Margin of the calyx obs(> 

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

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

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

 unequal rays. Invol. 0. Involucels few-leaved. Flowers white. 



C. Canadensls DC. Common in moist woods. Plant smooth, 2 3f, with large Ifte. 

 (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. 



B. rotundirollum L. Lvs. (phyllodia) roundish-ovate, entire, perfoliate; invol. 0, 

 involncels of 5, ovate, mucronate bracts. Fields, N. Y. to Va. Rare. Europe. 



16. 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, vittse. Seeds sub- 

 terete. Leaves ternate to decompound. Involucra various. 



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

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



1 C. aiireiiin. 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. 

 y. Meadows and banks. 1 2f. Smooth throughout. Fls. deep yel. Jn. (Thaspium, N.) 



2 <'. cordatuin. 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 browi 'feh. Rocky shades. 2 3f. May, June. (Thaspium. N.) 



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



long, acute, ir.cised ; invol. Ivs. few or ; Involncels subulate, it Greece. 2 3f. Jn. 



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



lucels 0. V Europe. 2 8f. Lvs. large. Fls. white. Fr. oblong, aromatic. June. 



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

 toothed. Fruit ovoid, transversely subterete. Carpels semi terete, with 5 

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

 vittm If Umbels without an invol. Involucels 3-lvd., lateral. Fls. yellow 



