198 



UM BELLI FERiE 



usually many, pinnatifid ; sepals slender ; petals white or red, 

 notched, often irregular, with infiexed lobe ; 4 secondary ridges, 

 each bearing a row of prickles ; seed flat in front. 



41. Catjcalis.— Leaves pinnate ; bracts few, entire or absent-; 

 bracteoles many ; sepals acute or absent ; petals as in Dai'tcus ; 

 primary and secondary ridges with 1 — 3 rows of prickles each ; seed 

 deeply grooved in front. 



42. Torilis. — Differing from Caucalis mainly in having (he fruit 

 covered with prickles between the ridges. 



ER^XGIUM mari'timum (Sea Eryngo, Sea Holly). 



i. Hydrocotvle (Marsh Pennywort). — Small creeping herbs ; 

 leaves simple, peltate, orbicular ; flowers in simple umbels ; fruit 

 roundish, flattened. (Name from the Greek hudor, water, and 

 kotule, a dish, from the shape of the leaves and place of growth.) 



1. H. vulgaris (Marsh Pennywort, White-rot). — The only 

 British species, very unlike other British Umbelliferag, with round, 

 smooth, shining, crenate leaves, 1 — \\ in. across, with hairy stalks ; 



