256 



UMBELLIFERAE. 



Stylopodium conical; bristles not 

 barbed. 

 Carpels oblong or ovate. 

 Carpels linear. 

 Fruit glabrous, not at all bristly. 



Carpels strongly flattened dorsally. 



Stylopodium conical ; petals obcordate. 

 Stylopodium flat or obsolete. 

 Plants acaulescent. 

 Plants caulescent. 



Flowers white; dorsal ribs of 

 fruit prominent. 

 Ultimate segments of leaves 



large. 

 Ultimate segments of leaves 

 small. 

 Flowers yellow or purple; dor- 

 sal ribs of fruit filiform. 

 Flowers yellow. 

 Flowers brownish-purple. 

 Carpels not dorsally flattened. 



Oil-tubes obsolete or very obscure. 

 Leaves ternately decompound. 

 Leaves simple, peltate. 

 Oil-tubes present; leaves not peltate. 

 Fruit with a single oil-tube in each 

 interval. 

 Stylopodium conical. 



Leaflets lanceolate to ovate. 

 Leaflets linear. 



Involucre wanting. 

 Involucre present. 

 Stylopodium flat or obsolete. 

 Flowers yellow; leaves sim- 

 ple or trifoliolate. 

 Flowers white. 



Leaves decompound. 

 Leaves reduced to hol- 

 low petioles. 

 Fruit with more than one oil-tube 

 in each interval. 

 Stylopodium conical. 

 Fruit globose. 

 Fruit oblong. 

 Stylopodium flat or obsolete. 

 Ribs of the fruit wing-like. 

 Ribs of the fruit not wing- 

 like. 

 Plants acaulescent. 



Fruit with all the 

 ribs filiform; root 

 not tuberous. 

 Fruit with the dorsal 

 ribs filiform, the 

 lateral ones corky; 

 root tuberous. 

 Plants caulescent; ribs 



341. 

 342. 



343. 

 344. 



345. 

 346. 



347. 

 348. 



Caucalis, 258. 

 osmorhiza, 259. 



Heracleum, 260. 

 cogswellia, 260. 



Angelica, 26L 



CONIOSELINUM, 262. 



Pastinaca, 262. 

 Leptotaenia, 263. 



342. OsMORHiZA, 259. 

 349. Hydrocot\-le, 263. 



350. CicuTA, 263. 



351. Coriandrum, 264. 



352. Carum, 264. 



353. ZiziA, 265. 



354. Oenanthe, 265. 



355. Lilaeopsis, 265. 



356. Berula, 266. 



357. LiGUSTicuM, 266. 



358. Glehnia, 267. 



359. Hesperogenia, 267. 



360. Orogenia, 267. 



