OEnanthe.] UMBELLIFER^E. 179 



fruit. Fruits J in., crowded, angular ; styles long, erect, spinescent ; carpels 

 cohering; pedicel not thickened at the top. — Disteib. Europe, N. Africa, 

 W. Asia. 



2. CE. pimpinel'loides, L. ; root-fibres usually tuberous beyond the 

 middle, leaves 2-pinnate, segments broad short entire or acutely cut, fruit 

 cylindric grooved and ribbed. 



Meadows and banks, rare ; Worcester and Essex to Sussex and Cornwall ; 

 Channel Islands ; fl. June-Aug. — Root-fibres slender, their tuber § in. or less. 

 Steml-Zit., erect, furrowed. Lower leaves with broad small segments, 

 upper with few long ones, or reduced to petioles. Umbels 6-12-rayed, flat- 

 topped ; bracts 1-8 ; partial umbels crowded ; bracteoles subulate. Fruit 

 T \j-§in.; pedicel short, stout, top much thickened; styles erect, ligid. — 

 Disteib. Europe from Belgium southd., N. Africa, Asia Minor. 



3. CG. Lachenalii, Gmel. ; root-fibres usually cylindric, leaves 2- 

 pinnate, segments obtusely-lobed, fruit oblong. (E. pimpinclloides, Sm. 

 Marshes frfsh and salt, from Argyll and Haddington southd.; Ireland; 



fl. July-Sept. — Very similar to CE. pimpinelloides, but root-fibres never 

 tuberous ; root-leaves soon withering ; partial umbels not crowded ; fruit 

 T 'o in., much broader, rounded at the top ; styles shorter and slender ; 

 pedicel very short, not thickened at the top.— Disteib. From Denmark 

 southd., E. to the Caspian. 



4. CE. peucedauifo'lia, Poll. ; root-fibres usually fusiform, leaves 

 2-pinnate, segments cut into narrow acute lobes, fruit subcylindric 

 thickened at the base. CE. silaifo'lia, Syme, not Bieb. ; CE. Smithii, Watsor. 

 Moist meadows and ditches, from Notts, Worcester, and Norfolk to Dorset 



and Kent ; fl. June-July. — Yery near CE. pimpinelloides, but larger, stouter ; 

 root-fibres rarely tuberous in the middle ; rays fewer, longer, stouter in 

 fruit ; partial umbels not crowded ; styles short, erect, rigid. — Disteib. 



5. Europe to the Caspian. 



5. CE. croca'ta, L. ; root-fibres large fusiform, leaves large deltoid 

 3-4-pinnate, segments cuneate 2-3-lobed, fruit narrow oblong subcylindric. 

 Marshes and ditches, from Ross southd. ; Ireland ; Channel Islands ; fl. July. 



— Root-fibres as thick as the thumb, juice yellow or colourless. Stem 2-5 ft., . 

 stout, branched, grooved, fistular. Petioles large, sheathing throughout. 

 Umbels many, rays long ; bracts and bracteoles or many. Fruit £-f in. ; 

 styles erect, rigid ; top of pedicel not thickened. — Disteib. From France 

 to Spain and Italy.— Poisonous, often mistaken for celery. 



** Aquatics. Root simple, fusiform, with many slender fibres. Umbels lateral 

 or leaf-opposed, subsessile. Flowers all 2-sexual. 



6. CE. Phellan'drium, Lamk. ; erect floating or ascending, leaves 2-3- 

 pinnate finely cut, segments pinnatifid, fruit terete narrow-oblong or ovoid 

 twice or thrice as long as the styles. Phcllandrium aquaticum, L. 

 Ponds and ditches, from Haddington southd. ; rare in Scotland ; Ireland ; 



Channel Islands ; fl. July-Sept. — Stem 1-4 ft., very stout. Leaves sometimes 

 submerged with capillary segments ; emersed with broad small obtuse seg- 

 ments. Umbels 7-10-rayed ; bracts ; bracteoles many ; outer flowers 



H 2 



