UMBELLIFERAE (CARROT FAMILY) 



2 PANAX. 



i a Plant 8-20 in. high; leaflets 2-5 in. long, stalked 



GINSENG. (P. quinquefblium.) 

 b Plant 3-8 in. high ; leaflets 1-2 in. long, sessile 



THREE-LEAVED GINSENG. (P. trifblium.) 



3 HfiDERA ENGLISH IVY. (H. hilix*) 



2 UMBELLIFERAE. Carrot Family. 



1 a All leaves simple, not divided 2 



b All or some of leaves pinnately divided or compound. . 4 



2 a Flowers yellowish ; leaves sessile, clasping 



6. Bupleurum. p 193 

 b Flowers white ; leaves not as in a 3 



3 a Leaves rounded, palmately veined i. Hydrocotyle. p 192 

 b Leaves reduced to linear petioles.. 16. Lilaeopsis. P 193 



4 (i Flowers yellow, yellowish, or purple 5 



b Flowers white or whitish, sometimes a few in the umbel 



purplish 10 



5 a Leaves finely dissected into linear segments; fruit linear- 



oblong; cultivated plant 17. Foeniculum. p 193 



b Leaves not finely dissected into linear segments 6 



6 a Leaves usually curled; flowers greenish-yellow; culti- 



vated plant 7. Petroselinum. p 193 



b Leaves not curled ; flowers yellow or purple 7 



7 a Fruit or ovary covered with bristles.. 2. Sanicula. p 192 

 b Fruit or ovary not covered with bristles 8 



8 a Plant cultivated for the fleshy root, sometimes escaped; 



fruit much flattened 20. Pastinaca. p 193 



b Plants not cultivated ; fruit slightly or not at all flattened 9 



9 a Fruit conspicuously winged, not flattened 



1 8. Thaspium. p 193 

 b Fruit not winged, somewhat flattened.. 8. Zizia. p 193 



10 a Plant with bulblets in the axils of the upper leaves, 



rarely fruiting 9. Cicuta. p 193 



b Plants not with bulblets in the axils of upper leaves. . n 



11 a Fruit covered with hooked bristles ; umbels few-flowered 



2. Sanicula. p 192 

 b Fruit not covered with hooked bristles 12 



12 a Fruit oblong or linear, covered with straight bristles 



or coarse hairs 13 



b Fruit with or without fine hairs, not bristly 14 



13 a Mature fruit about Vi in. long, linear; umbels not con- 



cave in fruit 4. W ashingtonia. p 193 



b Mature fruit V in. or less long, oblong; umbels concave 



in fruit 22. Daucus. p 193 



14. a Leaves finely dissected into linear segments 15 



b Leaves not finely dissected into linear segments .... 17 



191 



