XXXVIII. UMBELLIFERA!. 
167 
18. Fceniculum. Styles short. Fruit oblong. Involucre 0. Petals 
entire. 
19. Seseli. Styles long, reflexed. Fruit ovate. Involucre many-leaved. 
Petals obcordate. 
ff Vittce 2 or more between the ribs. ( Involucre many-leaved.') 
t Seeds without vittce. . 
20. Ligusticum. Petals obcordate, with an indexed point, shortly 
clawed. 
21. Silaus. Petals obovate or emarginate, with an inflexed point, sessile 
or with an appendage at the base. 
22. Meum. Petals entire, elliptical, with an incurved point. 
Seeds with many vittae, loose from the carpel. 
23. Crithmum. Petals roundish, entire, involute. 
C. Fruit much and dorsally compressed. 
24. Angelica. Fruit with 2 wings on each side: ribs equidistant; 
lateral ones expanding into the wings. 
25. Peucedanum. Fruit with one even wing on each side : ribs equi- 
distant ; lateral ones obsolete close to the wings : vittae filiform. 
Petals with an inflexed point. 
2G. Pastinaca. Fruit with one even wing on each side: lateral ribs 
distant, upon the wings : vittae filiform. Petals involute. 
27. Heracleum. Fruit with one even wing on each side: lateral ribs 
distant, upon the wings : vittae clavate, short. Petals with an in- 
flexed point. 
28. Tordylium. Fruit with one wing on each side, which is thick and 
crenate at the margin. 
D. Fruit globose ; carpels scarcely separating. 
29. CoRiANDRuar. Vittae none. 
** Albumen furrowed or involute at the suture. 
"E. Fruit short, turgid, slightly compressed laterally. 
30. Conium. Vittse 0 between the waved crenate ribs. Albumen to- 
rowed. 
31. Physosfermum. Vittae single between the filiform ribs. Albumen 
furrowed. 
32. Smyrnium. Vittae several between the ribs. Albumen involute. 
F. Fruit oblong. 
f Fruit with a conspicuous beak. Vittce none. 
33. Scandix. Beak very long: carpels with 5 obtuse ribs. 
34. Anthrisccs. Beak rather short : carpels without ribs. 
If Fruit with a very short beak, or without one. 
35. Ch.eeoph yi.lum. Carpels obtusely 5-ribbed, with single vittae 
between the ribs. 
36. Myrrhis. Carpels sharply 5-ribbecl, without vittte. 
