ARTIFICIAL TABLE. ^53 



174. Stamens two . . . 175 

 Stamens four or more . . I76 



175. Estivation of corolla valvatc The Olive Tr. 

 -Estivation of corolla imbricated The Jasmine Tr, 



176. Inflorescence coiled up Tlie Waterleaf Tr. 

 Inflorescence straight . . 177 



177« Estivation of corolla plaited . I78 



Estivation of corolla imbricated . 180 



178. Seeds very few . The Bindweed Tr. 

 Seeds very numerous , . 179 



179. Leaves three-ribbed . The Gentian Tr. 

 Leaves one-ribbed . The Nightshade Tr. 



180. Anthers adhering to a stigma-like table 



The Asclepias Tr. 



Anthers quite free . . 181 



181. Parasitical leafless plants . The Dodder Tr. 

 Green leafy terrestrial plants . . 182 



182. Leaves uniformly three-ribbed The Gentian Tr. 

 Leaves one-ribbed . The Worinseed Tr. 



1 83. Stigm. with an external covering The Brunonia Tr. 

 Stigma in its ordinary naked state . 184< 



184. Style one . . The Pknitain Tr. 

 Styles five . . The Leadwort Tr. 



185. Ovary four-lobed . . The Mint Tr. 

 Ovary undivided . . .186 



186. Carpel solitary . The Madwort Tr. 

 Carpels two . . . . I87 



187. Fruit nut-like . . . 188 

 Fruit capsular or succulent . . 189 



