UMBELLIFERJE. £21 



of Carum, — Herbs ; rhizomate or tuberous rooted ; leaves 3-nato- 

 pinnately dissected ; umbels compound ; bracts of involucres and 

 involucels go , or oftener 0. (Europe, north. Africa, ivest. and mid. Asia.^) 

 43 ? Sison L.^ — Flowers ^ (nearly of Carum) asepalous ; point of 

 petals long-inflexed. Stjlopods thick depressed. Fruit short-ovoid, 

 sub-2-dymous, compressed or constricted at commissure. Primary 

 ridges subequal obtuse. VittEe in furrows solitary and short, broadly 

 subclavate, sometimes interrupted, obtuse below. Carpophore 2- 

 partite. Face of seed nearly flat or slightly concave. Other cha- 

 racters of Carum. — A slender herb, 1-2-carpous; leaves pinnate 

 inciso-dentate or oo -fid ; umbels compound ; involucral bracts setaceous 

 few ; bracteoles of involucels very small or 0.* (Europe, Levant.^) 



44. Ammi T.^ — Flowers^ (nearly of Carum) hermaphrodite or 

 more rarely polygamous ; calyx short or 0. Stylopods shortly 

 conical or depressed entire. Fruit ovate or sub-2-dymous ; vittse in 

 furrows solitary ; carpophore 2-partite. Face of seed flat or sHghtly 

 concave. Other characters of Carum. — Perennial or 2-carpous 

 glabrous herbs ; leaves decompound, 3-nato-pinnate ; segments serru- 

 late ; umbels compound ; involucral bracts oo , 3 -sect or rarely entire ; 

 bracteoles of involucels oo , entire.^ (Europe, Medit. region, north.- 

 ivest. African islands.^) 



45. Cicuta L.^° — Flowers ^^ nearly of Sison ; sepals acute. Stylo- 

 pods depressed entire. Fruit broadly ovate, suborbicular or broader 

 than long, sometimes subdidymous, compressed contrary to septum 

 and transversely elliptical, more or less constricted at commissure. 

 Primary ridges thick obtuse (white) ; epicarp thin, sometimes separable ; 

 vittas solitary, narrow or thick ;'^ carpophore 2-partite. Seed sub- 



' Spec. 6, 7. Boiss. Fl. Or. ii. S7 5 (Scalifferia). n. 5Z.— Visnaga G^rtn. Fruct. i. 92, t. 21.— 



— Gren. et GoDR.i^/. deFr. i. 742 (Conopodium). Gohoria Neck. Elem. n. 287. 

 — Walp. Ann. iii. 900 {HeterotcBiiia). 7 White. 



2 Qen.u. 349. — Koch, C/m*. 123. — ljA.G.Am(en. « Q-en. scarcely autonomous, rather a sect, of 

 ii. 103.— DC. Prodr. iv. 110.— B. H. Gen. 892, Carum, involucral bracts occasionally divided. 

 n. 57. " 9 Spec. 5, 6. Jacq. Sort. Vindoh. iii. t. 26 



3 White. (i)a«c««).— Reichb. Ic. FL Germ. t. 1864.— 

 ^ Gen. scarcely autonomous, rather a sect, of Guss. PL Ear. t. 25.— Sibth. FL Grac. t. 273. — 



Carum, and differing from it as Eeracleum from Boiss. FL Or. ii. 891 (part).— Gren. et Gour, 



Peucedanum, viz. the vittss being shorter than FL de Fr. i. 731. 



the fruit. ^^ Gen. n. 354. — Hoffm. Umb. 177. — Spreng. 



5 Spec. 2. Reichb. Ic. FL Germ. t. 1859.— I7"m3. 19.— Koch, t//nA. 129.— DC. P/Wr. iv. 99. 

 Boiss. FL Or. ii. 893.— Walp. Rep. 392 ; Ann. — Endl. Gen. n. 4391.— B. H. Gen. 889, n. 52.— 

 ii. C97. Cicutaria T. Inst. 322 (part).— Lamk. Diet. ii. 2. 



6 Inst. 304, t. 159.— L. Gen. n. 334.— Sfrexg. ^^ White. 



Umb. Prodr. 41. — Koch, Umb. 122. — DC. Prodr, ^2 Commissural vittae broad, transverse sect. 



iv. 312.— Endl. Gen. n. 4404.— B. H. Gen. 889, subcruciate. 



