LXIII. UMBELLIPEK^. 137 



Ribs prominent, bluntly keeled, the 



lateral wider. Flowers yellow . . 18. FcENicuLrM. 



Eibs prominent, filiform, equal . . 20, Seseli. 



Ribs sharp, wing-like, equal . . .17. Glta. 



Ribs thick, rounded, corky, wing-like 22. Stenosemis. 



Ribs membranaceous, wing-like . . 23. Cnidium. 



5. Angelice^. Fruit much compressed dorsally, 



having a double wing on each side . . .24. Levisticum. 



6. PEUCEDANEiE. Frviit much compressed dor- 



sally, with a single sharp or tliickened 

 wing on each side. 

 Fruit with 5 dorsal ribs, and vittse in the 

 furrows. 

 Dorsal ribs slender, filiform. 



5 ribs, equidistant, and equally filiform. 

 Margin of fruit broad. Petals emar- 



ginate 25. Peucedanum. • 



Mai'gin of fruit narrow. Petals en- 

 tire 26. BuBON. 



5 ribs, equidistant, the three medial 



sharply keeled 27. Anethum. 



3 ribs, equidistant, 2 lateral distant, mar- 

 ginal 28. Pastinaca. 



Dorsal ribs thick, keeled tubercled or 



flexuous 29. Capnophyllum. 



Fruit without dorsal ribs, hairy ; margin 



thick. No vittse 30. Pappea. 



7. Daucine^. Fruit somewhat compressed dor- 



sally. Carpels with 5 primary, bristly, 



and 4 secondary, prickly ridges . . . .31. Daucus. 



Suborder 2. Campylospermese. Albumen with a longitudinal furrow 

 along its inner face (a cross-section of fruit showing it concave on the side 

 next the coramissui^e). 



8. Caucaline^. Fruit laterally compressed or 



subterete ; lateral primary ridges on the 



commissure, the dorsal bristly or setose . 32. ToKlLlS. 



9. Smtrne^. Fruit turgid, often laterally com- 



pressed ; ribs sometimes obliterated. 

 Dioecious. Fruit adnata to a large, spinous 



involucre 33. Aectopus. 



Fruit not involucrate. 



Fruit subcompressed dorsally ; dorsal ribs 

 wing-like ; lateral very small ; furrovvs 

 multivittate 34. Heemas. 



Fruit ovate, compressed laterally ; ribs 5, 

 equal, undulate-crenate ; furrows with- 

 out vittse 35. CoNiUM. 



1. HYDROCOTYLE, Toiirn. 



Calyx-margin obsolete. Petals ovate, entire, acute, with a 

 straight point. Fruit laterally compressed, flattened ; carpels 



