PEUCEDANUM. — TORDYIiIUM. 147 



Tribe VII. Peucedanets. 

 27. Petjcedantjm Linn. 



1. P. officinale (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. 

 vellow. St. terete, striated. Vittse 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, 3—5 feet high. Fl. white. Vittse of the 

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

 VII. VIII. 



t3. P. Ostruthium (Koch) ; I. hiternate, leaflets broadly ovate 

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

 cal.-segments obsolete.—^. B. 1380.— St. 1—2 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.— £. B. 556.— St. 2—3 feet high. 

 Fl. yellow. L. generally shining above, downy beneath. — Hedge- 

 banks on a calcareous soil. P. VII. 



29. Heracleum Linn. Cow Parsnep. 



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

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

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

 or reddish, outer fl. radiant. — ■^. angustifolium ; leaflets deeply 

 pinnatifid, lobes lanceolate, lower ones elongated and spreading. 

 — Hedge-banks. P. VII. Hog-weed. 



30. ToRDYLitTM 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.— JB. B. 2440.— Near London. A. VII.] E. 



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