150 UMBELLTFERJS. 



Vittse several. Disk-lobes depressed ; ridges elevated 5. Conium. 



Vittae several. Disk-lobes conical ti. Smynmnn. 



Section 2. Ammi'nese proper. Fruit as in 1, but seed flat in front. 



* Petals entire, tip acute or shortly inflexed. Vittae 1-2. 



Leaves simple. Flowers yellow 7. Bupleurum. 



Leaves compound. Flowers white, dioecious S. Trinia. 



Leaves compound. Flowers white, 2-sexual 9. Apium. 



** Petals 2-lobed, tip long, inflexed. Vittse solitary in the interstices. 



Calyx-teeth obsolete. Vittae as long as the fruit 10. Carum. 



Calyx-teeth obsolete. Vittae very short 11. Sis.m. 



Calyx-teeth ovate, acute. Vittse long 12. Cicuta. 



*** Petals as in * ; but vittse several in each interstice (except in ^EV/o "'<'"/;/). 



Calyx-teeth acute. Leaves pinnate 13. Sium. 



Calyx-teeth obsolete. Leaves 2-ternate. Vittse 14. .Egopodium. 



Calyx-teeth obsolete. Leaves various. Vittae many 15. Pimpinella. 



Section^. Scandicinese. Fruit elongate. Seed grooved iii front. 



* Vittae many in each interstice, often faint 16. Conopodium. 



** Vittse 0, or 1 in each interstice. 



Fruit. | in.; ridges almost winged 17. Myrrhis. 



Fruit 1-3 in.; ridges prominent 18. Scaiulix. 



Fruit i in. ; ridges vanishing upwards 19. Cluerophyllum. 



Fruit |-J in. ; ridges or obscure 20. Anthriscus. 



TRIBE IV. SESELINE.JE. Fruit globose or ovoid, not laterally compressed; 

 commissure broad; lateral ridges distinct (except in 22*. r,,, ,',/,,;//,). 

 rarely winged, if so wings of opposite carpels not in contact. 

 Sub-tribe 1. Seseli nese proper. Fruit svbterete; ridges not thickened or corky. 



Calyx-teeth small. Petals white, notched 21. Seseii. 



Calyx-teeth obsolete. Petals yellow, entire 22. Fceniculum. 



Sub-tribe 2. Corian'drese. Fruit globose ; ridges low, secondar,/ broadest. 



22*. Coriandrum. 

 Sub-tribe 3. Cachry'deae. Fruit subterete ; primary ridges acute ; outer coat of 



pericarp lax 23. Crithmum. 



Sub-tribe 4. CEnan these. Fruit suliterete; primary ridges thick, lateral 

 forming a corky rim round the carpel. 



Bracteoles whorled 24. CEnanthe. 



Bracteoles unilateral 25. Jitlmi-H. 



Sub-tribe 5. Schultz'iese. Fruit subterete; lateral ridges thickened or 



winged 26. Silaus. 



Sub-tribe 6. Seli'neee. Fruit dorsally compressed ; primary ridges broaii f/< /'</.-. 



Seed concave in front 27. Meuni. 



Seed almost flat in front 28. Ligusticum. 



Sub-tribe 7. Angel'icese. Fruit much dorsally compressed; lateral ridget 

 broadly winged 29. Angelica. 



TRIBE V. PEUCEDA'NE7E. Fruit much dorsally compressed ; lateral 

 ridges broadly winged, those of the opposite carpels contiguous (face to 

 face) ; other ridges filiform. Styles short, stout, erect. 



Wings with thin margins ; vittae as long as the fruit 30. Peucedanum. 



Wings with thin margins ; vitta? club-shaped 31 . Heracleum . 



Wings with thick margins 32. Tordylium. 



