UMBELLIFER^ 137 



35. FCENICULUM, Adans. 



General and partial involucre o ; calyx-teeth o ; flowers 

 yellow ; petals with a short obtuse point, entire ; fruit ovoid 

 or oblong ; vittae solitary. Not alpine. 



F. officinale^ All., Fennel ; very glabrous, leaf-segments 

 linear; stony places, occasional. 



36. Cnidium, Cuss. 



Involucre variable ; calyx-teeth o ; petals obovate, emar- 

 ginate, with an inflexed point ; fruit ovoid or oblong ; vittae 

 solitary. 



C. apioideSy Spreng. ; bracts of general and partial in- 

 volucre, when present, linear, leaves ter-pinnate with 

 ovate segments, leaf-sheaths loose, standing out from the 

 stem ; rare ; Monte Generoso, Dauphiny. 



37. Dethawia, Endl. 



General involucre of 1-3, partial of many linear bracts ; 

 calyx-teeth 5, acute; petals elliptic, acute; fruit ovoid; 

 vittae solitary. 



D. tenuifolia, Endl. ( Wallrothia tenuifolia^ DC.) ; 

 leaves shining, ter-pinnate, with linear segments, stem 

 flexuous, 4-15 in., glabrous, nearly leafless, slightly 

 branched ; rocky places ; Central Pyrenees. 



38. Xatardia, Meissn. 



General involucre o or of two bracts, partial of 4-12 

 linear bracts ; calyx-teeth o ; petals lanceolate, entire ; 

 vittae solitary. 



X, scabray Meissn. ; stem 6-8 in., very thick, glabrous, 



