(EXANTHE.] UMBELLIFERsE. 165 



on stout fistular peduncles ; rays short, few ; bracts ; partial umbels ^in. 

 diam., spherical in fruit. Fruits |in., crowded, angular; styles long, erect, 

 spinescent ; carpels cohering ; pedicel not thickened at the top. DISTRIB. 

 Europe, N. Africa. 



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

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

 fruit cylhulric grooved and ribbed. 



Meadows and banks, rare ; Worcester and Suffolk to Devon and Sussex ; fl. 

 June-Aug. Root-fibres slender, their tuber ^ in. or less. Stem 1-3 ft., 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 ^-i in. ; pedicels short, 

 stout, much thickened at the top ; styles erect, rigid. DISTRIB. Europe 

 from Belgium southwards, N. Africa, W. Asia. 



3. CE. Lachena Hi, Gmelin ; root-fibres usually cylindric, leaves 

 2-pinnate, segments obtusely-lobed, fruit oblong. CE. pimpinclloides, Sm. 

 Marshes fresh and salt, from Argyle and Haddington southwards ; rare in 



Scotland ; all coasts of Ireland ; fl. July-Sept. Very similar to CE. pim- 

 pinelloides, but root-fibres never tuberous ; root-leaves soon withering ; 

 partial umbels not crowded ; fruit ^ in., much broader, rounded at the top ; 

 styles shorter and slender ; pedicel very short, not thickened at the top. 

 DISTKIB. Europe from Denmark southwards, excl. Greece and Turkey. 



4. CE. silaifo lia, Bieberstein ; root-fibres usually fusiform, leaves 

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

 thickened at the base. CE. peucedanifolia, Sin. not Pollich. ; CE. Smithii, 

 Watson. 



Moist meadows and ditches, local, from Notts, to Lincoln, and Dorset to Kent ; 

 fl. June- July. Very 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. DISTRIB. Europe from 

 Belgium southwards, excl. Spain Greece and Turkey, N. Africa. 



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

 3-4-pinuate, segments cuneate 2-3-tobed, fruit narrow oblong subcylindric. 

 Marshes and ditches, from Argyle and Elgin southwards ; fl. July. Root- 



jibres as thick as the thumb, with yellow or colourless juice. Stem 2-5 ft., 

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

 many, rays long ; bracts and bracteoles or many. Fruit J^ in. ; styles 

 erect, rigid ; pedicel not thickened at the top. DISTRIB. Europe from 

 France to Spain and Italy. A rank poison, 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- 

 puuiatc finely cut, segments pinnatifid, fruit terete narrow-oblong or 

 ovoid twice or thrice as long as the styles. Phellandrium aqiuiticum, L. 

 Ponds and ditches, from Haddington southwards ; rare in Scotland ; fl. July- 

 Sept. Stem 1-4-ft., very stout. Leaves sometimes submerged with capillary 

 segments ; emersed with broad small obtuse segments. Umbels 7-10-rayed ; 

 bracts ; bracteoles many ; outer flowers slightly irregular. Fruit variable, 



