Victorian Plants. 57 



280. Fruit-ridglets almost or quite smooth ... ... 281 



Fruit-ridglets very rough ... ... ... ... 285 



281. Calyx without any conspicuous terminal lobes or 



denticles 282 



Calyx with five conspicuous terminal lobes or denticles 283 



282. Oil-ducts of fruit absent or rudimentary. 



Herbs or shrubs; stipules absent; leaves not rarely entire 

 and rigid, sometimes rudimentary ; petals contiguous 

 before expansion ; fruit often only slightly compressed, 

 generally somewhat rough. Trachymene. 1231 



Oil-ducts of fruit conspicuously present. 



Glabrous and odorous herbs, not rarely rather succulent ; 

 leaves lobed or simply or repeatedly dissected; umbels 

 usually opposite to the leaves; apex of petals inflexed; 

 fruit turgid ; fruit-axis undivided ; fruitlets broadly co- 

 herent. Apium. 1233 



283. Oil-ducts of fruit absent. 



Herbs or shrubs ; leaves rarely entire ; stipules absent ; 

 calyx-lobes often attached by a broad or dilated base; 

 apex of petals usually much inflexed ; fruit often con- 

 siderably compressed and somewhat bilobed at the base, 

 the fruitlets narrowly coherent. Xaiithosia. 1234 



Oil-ducts of fruit present 284 



284. Oil-ducts few in each fruitlet. 



Herbs, often glabrous ; leaves simply or repeatedly dis- 

 sected ; apex of petals much inflexed ; fruit turgid ; 

 fruitlets broadly coherent. Seseli, 1238 



Oil-ducts many in each fruitlet. 



Glabrous herbs, often tall and semiaquatic ; leaves almost 

 simply pinnate, the leaflet-like segments large and den- 

 ticulated ; apex of petals much inflexed ; fruit slightly 

 compressed ; fruitlets narrowly coherent. Slum. 1239 



285. Flowers compound-umbellate, supported by usually 



flaccid not rarely divided bracts. 



Herbs, mostly annual, usually beset with hairlets ; leaves 

 pinnatisected, the segments small ; calyx with five ter- 



