l86. UMBELLIFERAE 4II 



70. Oil-channels numerous, scattered. Fruit linear-oblong. Pericarp not 



considerably thickened. Seeds somewhat grooved on the inner face. 

 Calyx-teeth short. Petals yellow. Involucre and involucels of many 

 bracts. Leaves with broad segments. — Species i. North Africa. 



{BrignoUa Bertol.) ' Kundmannia Scop. 



Oil-channels solitary in the furrows, more rarely accompanied by a second 

 in each furrow or one under each rib. Petals white or reddish. . . 71 



71. Seeds flat on the inner face. Calyx toothed. Petals broad-cordate. 



Disc depressed. (See 66.) Seseli L. 



Seeds grooved on the inner face. Fruit oblong, hairy. Disc conical. In- 

 volucre present. Leaves thrice dissected. 72 



72. Oil-channels in the furrows and under the ribs of the fruit. Seeds with a 



keel in the middle of the groove on the inner face. Calyx toothed. — 



Species 4. North Africa. Used medicinally. . . Athamanta L. 

 Oil-channels only in the furrows. Calyx not toothed. Rays of the umbels 



thickened. — Species 2. East Africa. . . Diplolophium Turcz. 

 73- (57-) Leaves undivided, entire, rarely {Heteromorpha) toothed to dissected, 



and then some ribs of the fruit wing-like 74 



Leaves, at least some of them, toothed to dissected. Ribs of the fruit 



filiform, rarely keeled but not wing-like 77 



74. Flowers in heads. Calyx toothed. Petals greenish-white. Carpophore 



none ; mericarps closely cohering. Ribs thickened, corky. Oil- 

 channels solitary in each furrow, faint or obscure. — Species 2. North- 

 west Africa Hohenackeria Fisch. & Mey. 



Flowers in compound umbels. Petals yellow or \'elIowish-green. Car- 

 pophore free 75 



75. Calyx toothed. Mericarps unequal, one 2-winged, the other 3-winged. 



Oil-channels solitary in the furrows. Shrubs or trees. — Species 3. 

 Central and South Africa. {Franchetella O. Ktze.). 



Heteromorpha Cham, et Schlechtd. 

 Calyx not toothed. Mericarps and ribs equal 76 



76. Petals much inflexed and 2-lobed at the tip. Disc conical, crenate. Fruit 



oblong, with thick and very prominent ribs. Oil-channels solitary in 

 each furrow. Undershrubs. Leaves stalked, cordate-orbicular, leathery. 

 Umbels of few rays, involucrate. ■ — Species i. Island of Socotra. 



Nirarathamnus Balf. 



Petals rolled in and entire or slightly notched at the tip. Disc flat, entire. 



Leaves usually sessile. (See 26.) Bupleurura Tourn. 



77. Oil-channels solitary under each rib, none in the furrows. Calyx toothed. 



Petals white, with a long inflexed point. Involucre and involucels of many 



bracts. — Species 7. South Africa. Lichtensteinia Cham. & Schlechtd. 



Oil -channels in the furrows, sometimes also under the ribs 78 



78. Fruit linear or oblong, at least twice as long as broad. Ribs slender. 



Petals white or reddish 79 



Fruit ovoid, globose, or biglobose 83 



