180 UMBELL1FEEJE. [CExaxthe. 



slightly irregular. Fruit variable, §-£ in. ; styles slender, flexuous ; pedicel 

 not thickened at the top. — Distrib. Europe, to the Caspian, Siberia. 



CE. Phellan'drium proper ; erect, leaves 3-pinnate, segments of submerged 

 leaves capillary, fruit twice as long as its styles. 



Sub-sp. CE. fltjviat'ilis, Colem. ; ascending, leaves 2-pinnate, segments of sub- 

 merged leaves obcuneate, fruit three times as long as its styles. — S. half of 

 England; Kildare Canal, Ireland. 



25. iETHU'SA, L. Fool's Parsley. 



An annual, leafy, glabrous herb. Leaves 3-nately pinnate. Umbels 

 compound, terminal and leaf-opposed ; bracts 1 or ; bracteoles 1-5, de- 

 flexed, on the outer side of the umbel ; flowers white, outer often rayed. 

 Calyx-teeth small or 0. Petals notched, point infiexed. Disk-lobes broad, de- 

 pressed. Fruit broadly ovoid, subterete, carpophore slender 2-partite ; 

 carpels dorsally compressed, primary ridges very thick keeled, or the 

 lateral narrowly winged ; vittse in the furrows solitary ; styles very short. 

 Seed flatfish ventrally. — Distrib. Europe, Siberia; introd. inN, America. 

 — Etym. alQw, because of its supposed burning qualities. 



IE. Cyna'pium, L. ; leaves deltoid, leaflets pinnatifid. 

 A weed in cultivated grounds, from Elgin and the Clyde southd. ; Ireland ; 

 Channel Islands; fl. July- Aug. — Root fusiform. Stem 1-2 ft., corymbosely 

 branched, terete, striate, fistular. Leaves 6 in.; segments |-1 in., mem- 

 branous, cuneate at the base, lobes acute ; petiole slender. Umbels small ; 

 rays spreading, irregular ; bracteoles 3-5, slender. Flowers irregular, small. 

 Fruit yV in., green. — Odour nauseous. 



26. SILA'US, Besser. Pepper Saxifrage. 



Perennial, glabrous herbs. Leaves pinnately decompound ; segments 

 slender. Umbels compound ; bracts 1, 2, or ; bracteoles many, small ; 

 flowers yellowish. Calyx-teeth 0. Petals with an incurved tip, base 

 broad truncate. Disk-lobes depressed, crenate. Fruit ovoid or oblong, 

 subterete, commissure broad, carpophore 2-partite ; carpels ^-terete, 

 ridges obtusely winged, vittse obscure ; styles short, recurved. Seed 

 flatfish ventrally. — Distrib. Europe, Siberia; species 2. — Etym. un- 

 known. 



S. praten'sis, Besser; leaflets linear-lanceolate entire or 3-lobed. 

 Meadows and commons, from Fife to Kent and Devon ; E. Scotland only ; 

 Ireland, rare ; fl. July-Sept.— Bootstock elongate. Stem 1-3 ft., angular, 

 grooved, solid, leafless above. Leaves 1-3-pinnate ; leaflets few, |-§ in. 

 Umbel-rays 1-2 in., few or many, incurved ; bracteoles short, margins 

 scarious. Flowers small. Fruit £ in., dark brown. — Distrib. Finland to 

 Hungary. 



27. ME'UM, Jacquin. Meu, Bald-money, Spigxel. 



A perennial, glabrous, very aromatic, tufted herb. Leaves mostly 

 radical, pinnately decompound ; segments setaceous, densely crowded. 



