it 
UMBELLIFER&. 245. 
+ + + + Fruit with very thick and corky lateral ribs, filiform 
aren and intermediate ones, stylopodium depressed, oil-tubes soli- 
ary. ; 
17. Orogenia. Carpel flattened dorsally, lateral wings very corky thick- 
ened, oil-tubes very small 3 in the intervals, 2-4 on the commissure. 
18. Crantzia. Seed terete, carpel with filiform dorsal and intermediate 
ribs lateral wings very thick and corky next. the’ commissure; oil- 
tubes 2 on the commissure. 
19. (nanthe. Carpel with broad obtuse corky ribs the lateral ones 
largest, oil-tubes 2 on the commissure; seed semi-terete, sulcate be- 
neath each oil-tube. 
* * * Fruit flattened laterally. 
+ Fruit prickly or with tuberculate scales, the ribs obsolete. 
20. Eryngium. . Calyx-lobes very prominent, rigid, often spinose, per- 
sistent. 
21. Sanieula. Calyx-lobes somewhat foliaceous fruit sub-globose densely 
covered with hooked prickles, or tuberculate. 
+ + Fruit neither prickly nor scaly. 
++ Carpels flattened dorsally. 
= Fruit with plane seed-face, numerous oil-tubes, depressed stylo- 
podium and filiform ribs 
22. Pimpinella. Calyx-teeth obsolete, carpel with equal slender ribs. 
= = Fruit ‘with concave seed face, numerous oil-tubes and fili- 
form ribs. 
23. Musenium. Calyx-teeth prominent, stylopodium depressed; oil-tubes 
usually 3 in the intervals, unequal, 2-4 on the commissure. 
24. Eulophus. Calyx-teeth prominent, stylopodium conical; oil-tubes 1-5 
in the intervals, 4-8 on the commissure. 
25. Bupleurum.. Calyx-teeth vobsclete: fruit cbli ng, with rather broad 
- commissure. 
++ ++ Carpels terete or slightly flattened laterally. 
= Fruit linear-oblong, with concave seed-face and conical stylopo- 
dium. 
26. Leibergia. Fruit flattened laterally, linear, beaked stylopodium 
wanting, . 
27. Osmorhiza. Calyx-tube obsolete, fruit acute at both ends, oil-tubes 
obsolete in mature fruit. 
28. Glycosma. Calyx-teeth obs lete: fruit linear to linear-oblong, not 
attenuate at base. 
= = Fruit with concave seed-face depressed stylopodium, and 
numerous oil-tubes. 
29. Valea. Carpel somewhat flattened laterally with prominent equal 
filiform ribs. 
= = = Fruit with plane seed-face and depressed stylopodium. 
a. Oil-tubes numerous, ribs broad and corky. 
