UMBELLIFER^ 131 



leaves ter-pinnate, root a solitary tuber; Western and 

 Southern Switzerland, Carniola, Pyrenees. 



19. iEGOPODIUM, L. 



Bracts of general and partial involucre few or o ; calyx- 

 teeth o ; petals broad, unequal, with an inflexed point ; 

 leaves bi-ternate, leaflets broad ; vittae o. Not alpine. 



^. Podagraria^ L., Gout- Weed ; leaves very large, 

 deltoid ; waste places, common. 



20. PiMPINELLA, L. 



General involucre o, partial involucre of a few bracts, 

 or o; flowers white, pink, or yellow; calyx-teeth O; 

 petals with a long inflexed point ; vittae numerous. 



P. Saxifraga, L., Burnet Saxifrage ; stem 1-3 ft., 

 slender, terete, radical leaves pinnate, stem-leaves bi- 

 pinnate ; P. magna, L. ; stem 3-4 feet, angular, leaves all 

 pinnate; both in meadows and on hill-sides, common. 

 P. alpestrzs, Spreng., is a mountain variety of Saxifraga, 

 and P. dissecta^ Retz., of magna ; P. rubray Hoppe, is a 

 form with pink flowers. P. TragiuMy Vill.; stem shrubby 

 below, flowers white, umbel nodding, uppermost leaves 

 reduced to one, sheath surrounding the leaf-stalk; rocky 

 places; Dauphiny, Pyrenees. 



Tribe ScANDlclNEyE. — Fruit elongated, compressed 

 laterally, commissure narrow; seed grooved ventrally. 

 Genera 21-25. 



21. MYRRHIS, L. 



Flowers white; bracts of general involucre few or o, 

 of partial many, membranous ; calyx-teeth minute or o ; 



