124 UMBELLIFER^E. [Cicuta. 



Limestone rocks, rare. Said to have been found by the late Doctor 

 Wade near Athboy, but I have never seen Irish specimens. Fl. May, 

 June. %. 



19. APIUM. Linn. Celery. 



Calyx obsolete. Petals roundish, entire, \fith a small, closely 

 involute point. Fruit roundish, laterally contracted, didy- 

 nious. Carpels with three, filiform, equal ridges, of which the 

 lateral ones are marginal. Interstices with single vitta, outer 

 ones frequently with two or three vittce. Seed gibbous, con- 

 vex, plane in front. Universal and partial involucres 0. 

 Name, apon, water) in Celtic ; from the places where the plant 

 grows. PerJandria. Digynia. 



1. A. grai'eolens. Linn. Smallage or wild Celery. Br. FL 1. 

 p. 129. E. FL v. u. p. 76. E. Bot. t. 1210. 



Marshy places, generally near the sea. Plentiful near Irishtown and 

 Baldoyle, and various places on the Dublin coast. Fl. Aug. # . 

 Stem furrowed, two feet high. Leaves ternate, leaflets large, wedge- 

 shaped, lobed and cut at the extremity ; the lower leaves are upon- long 

 stalks, with their leaflets rounder and truncate at the base. Umbels 

 often sessile ; petiolated ones of few flowers. This is the origin of our 

 garden Celery, and both the seeds and roots are well known as culinary 

 articles, The Apium petroselinum, Linn, or garden parsley, al- 

 though having been observed in a naturalized state on some old castles 

 in the County of Cork, cannot be considered as indigenous. 



20. CICUTA. Linn. Cowbane. 



Ca j yx of five teeth, leafy. Petals obcordate with an inflexed 

 point. Fruit roundish, contracted at the side, didymous. 

 Carpels with five nearly plane, equal ridges, of which the 

 lateral ones are marginal. Interstices with single vitta, which 

 in the dry fruit are more raised than the ridges. Seed terete. 

 Universal involucre of few leaves, or ; partial of wiany 

 leaves. Name, Cicuta was a term given by the Latins to those 

 spaces between the joints of a reed of which their pipes were 

 made : and the stem of this plant is similarly marked by hol- 

 low articulations. Pentandria. Digynia. 



1. C. virosa, Linn. Water Hemlock &r Cowbane. Br. Fl. I. 

 jv 129. E. FL v. ii. p. 62. E. Bot. t. 479. 



In ditches, and about the margins of rivers and lakes. Plentiful in 

 ditches near the lake at Farnham, and many other places on the banks 

 of Lough Erne. Fl. July, Aug. %.. Stem three to four feet high, 

 branched. Root and lower part of the stem, which is very large, 

 hollow, and divided by transverse partitions into large cells. Leaves 

 biternate, the radical ones pinnated ; leaflets lanceolate, serrated, 

 Umbels pedunculate. A deadly poison. 



