178 UMBELLIFER^. [CORIANDRUM. 



C. SATI'VUM, L. ; leaflets of lower leaves ovate lobed and crenate. 

 "Waste places in S. and E. of England ; an escape from cultivation ; fl. June. 

 Stem 1-2 ft., slender, erect, fistular. Leaves membranous, lowest 1-2- upper 

 2-3-pinnate with narrow leaflets. Umbel peduncled, rays 5-10 ; bracteoles 

 short, linear, acute. Flowers small, very irregular. Fruit f in. diam., sub- 

 globose ; carpels cohering ; styles slender, flexuous. DISTRIB. S.E. Europe, 

 W. Asia. Three carpels and styles occur. Foetid of bugs. 



23. CRITH'MUM, L. SAMPHIRE. 



A fleshy, glabrous, much-branched herb, woody at the base. Leaves 

 3-nately compound ; segments quite entire. Umbels compound, many- 

 rayed ; bracts and bracteoles many, short. Calyx-teeth 0. Petals minute, 

 broad, fugacious, point long inflexed. Disk-lobes thick, depressed or 

 subconic. Fruit ovoid-oblong, terete, commissure broad, carpophore 

 2-partite, outer layer corky loose ; carpels ^-terete, primary ridges thick, 

 acute; vittse many ; styles short. Seed flat ventrally. DISTRIB. Coasts 

 of N. Atlantic, Mediterranean and Black Seas. ETYM. obscure. 



C. marit'imum, L. ; leaflets linear lax fleshy. 



Maritime rocks from Ayr southd. ; Ireland ; Channel Islands ; fl. June-Aug. 

 Stem 6-10 in., ascending, flexuous, solid, striate. Leaves deltoid ; leaflets 

 few, 1-2 in., terete, subulate or subfusiform ; petiole short, sheaths long 

 adnate membranous. Umbels flat-topped ; peduncle stout fleshy ; bracts 

 and bracteoles acute, spreading; flowers small, white. Fruit J in., oblong, 

 dark green or purplish. Yields the well-known pickled condiment. 



24. CENAN'THE, L. WATER DROPWORT, 



Glabrous herbs, often aquatic. Roots fibrous or tuberous. Leaves 1-2-3- 

 pinnate, rarely reduced to a fistular petiole. Umbels compound ; bracts 

 or bracteoles many few or ; flowers white, often polygamous and outer 

 rayed. Calyx-teeth acute. Petals notched or 2-lobed, point long inflexed. 

 Disk-lobes conical. Fruit ovoid cylindric or globose, commissure 

 broad, carpophore ; carpels J- terete, 2 lateral primary ridges grooved 

 or much thickened, sometimes obscure ; vittse solitary in each furrow. 

 Seed flat or convex ventrally. DISTRIB. N. temp, regions, S. Africa, 

 Australia ; species 20. ETYM. olvos and &vOos, from the vinous scent of 

 the flowers. 



* Root-fibres many, fleshy. Umbels terminal or terminal and lateral, peduncled ; 

 outer flowers of each partial umbel often irregular and male. 



1. CE. fistulo'sa, L. ; leaves pinnate, stem and petioles terete swollen 

 fistular, fruit narrow obconic angular. 



itches and marshes from Ayr and Berwick southd. ; Ireland ; Channel 

 Islands ; fl. July-Sept. Roots burrowing deep. Stem 2-3 ft., stoloniferous, 

 and with whorls of slender root-fibres below, thin-walled, nodes constricted. 

 Leaves long-petioled ; segments few, narrow, distant. Peduncles stout 

 fistular ; rays short, few ; bracts ; partial umbels f in. diam., spherical in 



