2U: UMBELLIFERiE. 



i. ■ Angelica. Cartels with strong ribs, laterals lorming a, distinct dou- 

 ble-winged margin to tlie fruit, oil-tubes one to several in thei inter- 

 vals, 2-10 on the commissure. 



5. Seliunm. Carpels with prominent winged ribs, the lateral ones 

 usually the broadest ; oil-tubes conspicuous, 2-4on the commissure; seed 

 sulcate beneath the oil-tubes. 



M- -1- Caulescent branching plants, with solitary oil-tubes, conical 

 fetylopodium, filiform or stronger dorsal and intermediate ribs and 

 white flowers. 



'6. Heraclenm. Carpels with dorsal and intermediate ribs filiform ; the 

 broad lateral wings contiguous to those of the other carpel, strongly 

 nerved towards, the outer margin. 



■I- *- ■*- Short caulescent or acaulescent with solitary or numer- 

 ous oil-tubes, no stylopodium, filiform doi^al and intermediate ribs. 



■"■ Lateral wings coherent till maturity. 



7. pASTiNACA Calyx-teeth obsolete: fruit oval, very much flattened, 

 glabrous. 



8. Coloptera. Carpel with dorsal and intermediate ribs filiform or 

 winged and approximate; lateral wings broad, very thick and corky: 

 oil-tubes small, 4-8 in the intervals, 8-14 on the commissure 



9. Leptotseula. Carpel with dorsal and intermediate ribs filiform or 

 obsolete, the lateral wings with thick corky margin that is coherent 

 with the margin of the opposite one till maturity : oil-tubes 3-6 in the 

 intervals, 4-6 on the commisure. (Sometimes obsolete.) 



10. Peucedanum. Carpel with dorsal and intermediate ribs filiform 

 approximate, lateral wings broad and thin : oil-tubes 1-8 in the inter- 

 vals, 2-10 on the commissure. 



t* ■«■ Carpel 1 not coherent. 



11. Pseudocymopterus. Carpel with dorsal and intermediate ribs promi- 

 nent and acute; lateral wings rather broad and thickish, oil-tubes 1-4 

 in the intervals, 2-6 on the commissure. 



* * Fruit but slightly if at all flattened either way. 



-I- Fruit with all the ribs conspicuously winged, stylopodium de- 

 pressed or wanting. 



12. Cymopterus. Carpel somewhat flattened dorsally, with mostly 5 

 broad thin equal wings, the lateral wings distinct. 



13. Phellopterus. Carpel somewhat flattened dorsally with 5 equal 

 broad and corky-thickened wings, the wings distinct. 



14. Thaspiuui. Carpels with .S or 4 or all the ribs strongly winged: sty- 

 lopodium wanting. 



^ ' -1- +- Fruit with all the ribs prominent and equal acute or slightly 

 winged stylopodium, conical oil-tubes numerous, 



15. Ligusticum. Oil-tubes 2-6 in the intervals, 6-10 on the commissure. 



■*-■*--!- Fruit with broad and equal corky ribs, stylopodium de- 

 pressed, oil-tubes solitary. 



16. Coelopleurnm. Carpel with very thick and prominent corky ribs.i 



