494 45. UMBELLIFER^. PI, end. cat. 



ovate, nearly equal. — Root fusiform; stem mostly herba- 

 ceous ; leaves alternate, cut, or compound, rarely undivided ; 

 petiole sheathing ; flowers umbelled ; umbells terminal or 

 axillary, often divided into umbellules, naked or involu- 

 crated or involucellated, or both. 



A. Flowers regularly umlelled, white or reddish. 

 A. 1 . Fruit ribbed, ribs naked. 



a. Akenium roundish^ vitiated ; vittoe. epicarpic, dorsal and 

 commissural. 



a. 1. Involucrum and involucella many-leaved. 



Calyx 5-toothed ; petals reverse ovate, nicked ; 

 akenium oblong, 5-ribbed ; stylopodium scaly 



Drepanophyllum. 276. 



Calyx 5-toothed; petals uncut, involute; 

 akenium oblong, 5-ribbed ; ribs winged Ligusticum. 292. 



Calyx 5-toothed; petals uncut, involute; 

 akenium oblong, 5-ribbed Pseudospermum. 2,93. 



Calix 5-toothed ; petals uncut, broad-based ; 

 akenium ovate, oblong, spongy Crithmum. 283. 



a. 2. Involucrum or few-leaved, deciduous ; involucella 

 many-leaved, regular. 



Petals heartshape, equal; calyx very small ; 

 aken. oblong, 5-ribbed; involucella ovate Sium. 277. 



Pet. heartshape, broad, equal ; cat. very small ; 

 «feew. oblong, 5-ribbed ; mw/z^ce/Za linear .. Bunium. 288. 



Pet. heartshape, reverse ovate, equal ; 

 cal. 5-toothed ; aken. ovate, semiglobose, 

 5-ribbed Cicuta. 279. 



Pet. heartshape, nearly equal ; lacinule short ; 

 aken. ovate, 5-ribbed, crowned ; rays fertile 



Phellandrium. 280. 



Pet. heartshape, radiating ; lacinule long ; 

 aken. truncate, 5-ribbed, crowned ; rays bar- 

 ren CEnanthe. 281. 



Pet. heartshape, radiating; lacinule short; 

 aken. linear, awlshape, 5-ribbed ; rays barren 



CfliEUOPHYLLUM. 275. 



Pet. lanceolate ; calyx very small ; 

 aken. orbicular, laterally compressed ; 

 umbells simple Hydhocotyle. 278. 



