bbb. 
ccc. 
bb. 
( 28 ) 
Petals obcordate with a small injlexed lobe. 
Calyx limb obliterated. 
Carum.—Petals regular. Styles re- 
clined. Akenes oblong. Coste fili- 
form. Oil tubes solitary. ‘ 
Pimpinella. — Petals regular. Styles 
thin, divergent. Costx fiiliform. Oil 
tubes 3 in each vallecula. 
Petals obcordate with a small injlexed lobe. 
Calyx limb 5-dentate. 
Cicuta.—Endosperm convex. Fruit con- 
tracted. Oil tubes solitary. 
Sium.—Fruit contracted. Oil tubes su- 
perficial, 3 in each vallecula. 
Berula.—Fruit contracted. Oil tubes 
covered by a thickened pericarp, 3 in 
each vallecula. 
Endosperm not excavated on its ventral 
surface (Orthospermee). Coste 5, second- 
ary coste 0. Akencs terete or subterete. 
Angelica.—Petals not obcordate, lateral 
costs extended into wings. 
Selinum.—Calyx limb obliterated. Pet- 
als obcordate. Oil tubes solitary. Lat- 
eral coste much broader than the dor- 
sal. 
Cinanthe.—Calyx limb 5-dentate. Styles 
erect. Oil tubes solitary. Carpophore 
adnate. 
