23 
each with a small group of strengthening cells. Oil-tubes 2 on 
the commissural side. Seed terete. 
27. CEnanthe. Calyx-teeth rather prominent. Fruit glo- 
bose, slightly flattened laterally if at all, glabrous. Carpel (section 
about semi-terete) Vvith broad obtuse corky ribsj laterals the laig- 
est: a ban ! of strengthening cells investing seed and oil-tubes. 
Stylopodium very short-conical, with elongated styles. Oil-tubes 
2 on the commissural side. Seed sulcate beneath each oil-tube 
(commissural as well as dorsal). 
28. Cynosciadium. Calyx-teeth persistent. Fruit ovoid, 
glabrous. Carpel with prominent ribs ; laterals much the largest, 
forming a broad corky margin 5 a large group of stiengthening 
cells in each rib. Stylopodium conical. Oil-tubes 2 on the com- 
missural side. Seed somewhat flattened doi sally, with plane face. 
III. Fruit flattened laterally. ' 
* Fruit prickly or with tuberculate scales. 
29. Eryngium. Calyx-lobes very prominent, rigid and 
persistent. Fruit ovoid, covered v/ith hyaline scales or tubercles. 
Carpel with ribs obsolete. Stylopodium wanting; styles short or 
long, often rigid. Oil-tubes mostly 5 (3 dorsal and 2 commissuial). 
Seed-face plane. 
30. Sanicula. Calyx-teeth somewhat foliaceous, persistent. 
Fruit sub.-globose, densely covered v/ith hooked prickles, or tuber- 
culate. Carpel with neither ribs nor strengthening cells. Stylo- 
podium depressed. Oii-tubes mostly large, 5 (3 dorsal and 2 com- 
missural), or 3 to 19 irregifl ally distributed. Seed-face fiom plane 
to deeply concave or sulcate. ^ 
53. Leptocaulis may be looked for here. 
* * Fruit neither prickly nor scaly, 
f Carpels flattened dorsally. 
(1) Fruit with plane seed-face, solitary oil-tubes, conical stylopodium, 
prominent ribs, and strengthening cells continuous about the seed-cavity 
(excepting the introduced Fanniculum)- 
31. Ammoselinum. Calyx-teeth obsolete. F ruit ovate. 
Carpel with prominent equal more or less scabrous ribs; laterals 
closely contiguous to those of the other carpel, forming apparently 
