156 SUMMER FLOWERS. 



iX Transverse section of fruit nearly round. 



(107) Sanicula — fruit subglobose, covered ^Yitll hooked spines; 



without ridges ; calyx of five leafy teeth. 



(108) Eryngium — fruit obovate, covered with chaffy scales with- 



out ridges ; calyx of five leafy teeth. 



ft Fruit with vittce ; albumen furrowed or involute on the 

 inner face. 



(131) Torilis — see page 158. 



** Umbels compound or perfect. 

 t Fruit not prickly. 

 X Albumen solid (not indented with a longitudinal furrow) . 

 § Fruit laterally compressed. 

 II Leaves compoundly divided. 

 (a) Calyx teeth foliaceous. 



(109) Cicuta — fruit roundish-cordate ; carpels with five equal 



broad flattened ridges, the lateral marginal ; interstices 

 with single vittse. 



(b) Calyx teeth small or obsolete ; petals entire. 



(LIO) Apium — fruit roundish-ovate; carpels with five filiform 

 equal ridges ; vittse single in the interstices ; involucre 

 none. 



(111) Helosciadium — fruit ovate or oblong ; carpels with five 



filiform prominent equal ridges ; vittas single in the in- 

 terstices ; involucre many -leaved. 



(c) Calyx teeth small or obsolete ; petals obcordate or 



emarginate. 



1. VittcB short, clavate, single between the ribs. 



(112) Sison — fruit ovate ; carpels with five filiform equal ridges. 



2. VittcB elongated, linear. 



(113) Bunium — fruit oblong ; carpels with five filiform equal 



ridges ; the interstices with 1-3 vittae. 



