igS IIMBFJ.LIFF.R.'E 



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

 notched, often irregular, with inflexed lobe ; 4 secundary ridges, 

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



41. Caijcalis. — Leaves pinnate; hraets few, entire or absent ; 

 braekohs many ; sepals acute or absent ; petals as in Dai'uus ; 

 primary and seeondary ridges \^\\\\ i — 3 rows of prickles each ; seed 

 deeply grooved in front. 



42. TfjRiLis. — Differing from Caiiealis mainly in having \\\t f>-uit 

 covered with prickles between the ridges. 



riMU^i {Sea E'jti^o, Sea Holly). 



r. HvnROCOTYLf; (Marsh Pennywort). — Small creeping herbs ; 

 leaves simple, peltate, orbicular ; flowers in simple umbels ; /)■;/// 

 roundish, flattened. (Name fnjm the iCireek Inidor, water, and 

 kvfi/le, a dish, from the shape of the leaVes and place of growth.) 



T. Id. ■j'/ilgdris (Marsh Pennywort,^ ^Vhite-rot). — The only 

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

 smooth, shining, crenatc leaves, i — j-J, in. across, with hairy stalks ; 



