37. UMBELLIFERJE. 137 



28. PASTINACA. Cal. of 5 very small or nearly obsolete teeth. 

 Pet. roundish, entire, involute with an acute point. Fr. with 

 a dilated flat margin. Carp, with slender ridges, 3 dorsal 

 equidistant, 2 lateral distant near the outer edge of the di- 

 lated margin. Vitt& linear, solitary. 



29. HERACLEUM. Cal. of 5 minute teeth. Pet. obcordate 

 with an inflexed point, outer ones radiant. Fr. as in Pasti- 

 naca. Vitta short clubshaped. 



30. TORDYLIUM. Cal. of 5 awlshaped teeth. Pet. obcordate 

 with an inflexed lobe, outer ones radiant. Fr. with a thick- 

 ened wrinkled margin. Carp, with slender ridges, 3 dorsal 

 equidistant, 2 lateral distant close to the thickened margin. 

 Vittce 13 together. 



ft With primary and secondary ridges. Fruit prickly. 



Tr. VIII. DAUCINESE. Fr. somewhat dorsally compressed. 

 Carp, with 5 primary ridges, the lateral ones on the inner 

 face ; and 4 secondary forming rows of prickles. 



31. DAUCUS. Cal. of 5 teeth. Pet. obcordate with an in- 

 flexed lobe, exterior usually radiant and bifid. Fr. dorsally 

 compressed. Carp, with bristly primary ridges ; secondary 

 ridges equal winged with 1 row of spines. 



Suborder II. CAMPYLOSPER2OE. 



Seed inflexed at the margin or deeply furrowed in front. Um- 

 bels compound or perfect. 



Tr. IX. CAUCALINEJE. Fr. contracted or rounded. Carp, 

 with the lateral primary ridges on the inner face ; 4 se- 

 condary more prominent, prickly. Vittae solitary. 



32. CAUCALIS. Cal. of 5 teeth. Pet. obcordate with an in- 

 flexed point, outer ones radiant and bifid. Fr. slightly late- 

 rally compressed. Carp, with filiform bristly primary, and 

 more or less prominent secondary ridges, all bearing 1 3 

 rows of prickles. 



33. TORILIS. Cal. of 5 teeth. Pet. obcordate with an in- 

 flexed point, outer ones radiant and bifid. Fr. slightly late- 

 rally compressed. Carp, with bristly primary ridges ; the 

 secondary hidden by the many prickles which occupy the in- 

 terstices. 



Tr. X. SCANDICINEJE. Fr. compressed or contracted on 

 the sides, often beaked. Carpels with primary ridges only. 

 Fruit not prickly. 



