l86. UMBELLIFERAE 



413 



Island of Socotra ; one species also naturalized in the Mascarcne Islands. 

 Some species yield condiments. {Tragiopsis Pomel, under Carum L. 



or Plyclwtis L.) Trachypermum Link 



Calyx entire. Petals not notched, white or greenish. Undcrshrubs. 

 l-Jadical leaves once or twice pinnately dissected, cauline reduced to the 

 sheath. Umbels of few rays. — Species 10. North and South Africa. 

 {Deverra DC.) Pituranthos Viv. 



87. Carpophore entire or shortly cleft at the top. Ribs very prominent. Oil- 



channels large. Calyx not or obscurely toothed. Petals greenish- 

 white, straight or shortly inflexed at the tip. Involucre of i — 3 bracts or 

 wanting. ■ — Species 7. One of them {A. graveolens L., celery) is used 

 as a pot-herb, as a salad, or in medicine. (Including Helosciadium 



Koch) Apium L. 



Carpophore split down to the middle or beyond 88 



88. Oil-channels extending down to the middle of the fruit and ending there 



in a club-shaped swelling. Calyx entire. Petals white, broadly in- 

 flexed and deeply notched at the tip. Leaves with broad segments. — 



Species i. North Africa. Used medicinallj' Sison L. 



Oil-channels extending down to the base of the fruit. Calyx toothed, 

 more rarely entire, but then petals yellow and not notched. ... 89 



89. Calyx not or obscurely toothed. Petals yellow, yellowish-green, or some- 



what reddish, much inflexed at the tip 90 



Calyx distinctly toothed 91 



90. Ribs of the fruit prominent, filiform. Oil-channels broad. Leaves 2 — 3 



times pinnately dissected. — Species 2. North Africa ; also naturalized 

 in tropical and South Africa. One species (P. sativum Hoffm.,pars!ey) 

 is used as a pot-herb. (Under Apiiim L. or Carum L.). 



Petroselinum Hoffm. 



Ribs of the fruit scarcely prominent or indistinct. Oil-channels narrow. 



Leaves 4-times pinnately dissected. — Species i. North Africa and 



Abyssinia. (Under Carum L.) Ridolfia Moris. 



91. Ribs of the fruit very prominent. Oil-channels narrow. Petals shortly 



inflexed at the tip, white or greenish. Umbels involucrate. — Species 3. 

 South Africa, St. Helena, and Canary Islands. One species is used for 

 preparing an intoxicating drink. {Glia Sond., under Lichtensteinia 



Cham. & Schlechtd.) Ruthea Bolle 



Ribs of the fruit shghtly prominent. Petals much inflexed at the tip, 

 rarel}^ shortly inflexed, but then red 92 



92. Mericarp with 9 faint ribs. Petals dark-red, oblong, shortly inflexed at 



the tip. — Species i. Madagascar Anisopoda Bak. 



Mericarps with 5 filiform ribs. Petals white or ^^ellow, much inflexed 

 at the tip 93 



93. Petals white, notched, the terminal point proceeding from a transverse 



fold beneath the notch. Herbs. Umbels without an involucre. — 



