PEUCEDANUM. TORDYLIUM. 147 



Tribe VII. Peucedanea. 

 27. PEUCEDANUM Linn. 



1. P. ojficinale (L.); I- 5 times tripartite, leaflets linear acute 

 flaccid, general involucre 3-leaved deciduous, pedicels much longer 



than the fruit. E. B. 1767- Leaflets very long, narrow. Fl. 

 yellow. St. terete, striated. Vittae of the commissure super- 

 ficial. Salt marshes. Kent. Essex. P. VII. IX. E. 



2. P. palustre (Moench); I. 3-pinnate, leaflets pinnatifid with 

 linear-lanceolate acuminate segments, general involucre of many 

 persistent lanceolate deflexed leaves, st. furrowed. Selinum Sm., 

 E. B. 229. St. erect, 35 feet high. Fl. white. Vittse of the 

 commissure deeply seated. Marshy and fenny places, rare. P. 

 VII. VIII. 



f3. P. Ostruthium (Koch) ; L biternate, leaflets broadly ovate 

 lobed cut and serrated, sheaths very large, general involucre 0, 

 cal.-segments obsolete. E. B. 1380. St. 12 feet high. Fl. 

 white. Moist meadows in Scotland. P. VI. Masterwort. S. 



28. PASTINACA Linn. Parsnep. 



1. P. sativa (L.); st. angular furrowed, 1. pinnate downy be- 

 neath, leaflets ovate-oblong crenate-serrate often with a lateral 

 lobe at the base, inv. 0, fr. oval. E. B. 556. St. 23 feet high. 

 Fl. yellow. L. generally shining above, downybeneath. Hedge- 

 banks on a calcareous soil. P. VII. 



29. HERACLEUM Linn. Cow Parsnep. 



1. H. Sphondylium (L.) ; 1. pinnate, leaflets lobed or pinnatifid 

 cut and serrate, fr. at length glabrous.^. B. 939. St. 4 feet 

 high. Lower 1. very large. Umbels large, flattish. Fl. white 

 or reddish, outer fl. radiant. /3. angustifolium ; leaflets deeply 

 pinnatifid, lobes lanceolate, lower ones elongated and spreading. 

 Hedge-banks. P. VII. Hog-weed. 



30. TORDYLIUM Linn. 



1. T. maximum (L.) ; outermost pet. radiant with 2 equal lobes, 

 partial involucres linear shorter than the umbel, fr. hispid the 

 thickened margin slightly crenate. E. B. 1173. St. 2 4 feet 

 high. Fl. reddish. Waste ground, very rare. A. VII. E. 



[2. T. officinale (L.) ; two outermost pet. radiant each with 2 

 very unequal lobes, partial involucres lanceolate about as long as 

 the umbel, fr. rough with the thickened margin beautifully cre- 

 nate. E. B. 2440. Near London. A. VII.] E. 



H2 



