198 DICIIOTOMOUS ANALYSIS. 



162. Inflorescence coiled up 163 



Inflorescence straight 166 



163. Flowers red, tube long Loganiacea, 81 



Flowers not red 164 



164. Stigmas 5 rium'baginacecc, 96 



Stigmas less than 5 «. 165 



165. Ovary 4-lobed Boraginacecv, S7 



Ovary not 4-lobed IIyd)'ophyllacea\ So ^ 



166. Stamens opposite the lobes of the corolla Primulacem, 95 



Stamens alternate with the segments 16T 



167. Stamens 4, with flowers inconspicuous, on a scape Plantaginacem, 97 



Stamens more than 4, or not on a scape 168 



163. Capsule 3-celled 169 



Capsule 1— 2-celled 170 



1 69. Evergreen plants IlydrophyllacecB, 85. Dlapensia. 



Not evergreen plants Polemoniaceoe, 84 ' 



170. Leaves opposite Gentian acece, 82 



Leaves alternate Solanacecs, 88 



Monopetalce. Irregular Flowers. 



171. Ovary 4-lobed Labiatce, 91 



Ovary undivided 172 



172. Fruit drupaceous or nut-like, 2— 4-seeded Verbenacece, 92 



Fruit capsular 173 



173. Fruit a ligneous, 2-bcaked capsule Bignoniacece, S3. Martynia. 



Fruit notligneous 174 



174. Seeds winged, shrubby vines Bignoniacece, 83 



Seeds without wings, herbaceous 175 



175. Parasitic plants without green foliage Orobanchacece,.S 9 



Plants with green foliage ScrojjhidariacecB, 90. , .-r: . . . 176 



176. Fruit 2-celled 177 



Fruit more than 2-celled E'icacece, 72 



Fruit with free central placentae Leyidbtdariacece, 94 



177 Seeds without appendages ScrophulanacecB. 90 



Seeds with hooked appendages Acanthacece, 93 



M'MO'petalcf'. Inferior Ovary. 



178. Carpels solitary Caprifoliacece, 65. 179 



Carpels more than one IS') 



179. Anthers united CompnsU(e. 68 



Anthers distinct Styracece, 73. Valerian acecB, 67 



130. Anthers united LoheliacexB, 69 



Anthers distinct ISl 



181. Anthers opening by pores Ericacem, 72 



Anthers opening by slits 182 



182. Stipules between opposite leaves Rabiacece, 66. CinchonacecB. 



Stipules absent 183 



183. Leaves alternate ^ 184 



Leaves opposite r. -. 186 



184. Trees or shrubs Ebenacea:, 74 



Herbaceous plants 185 



185. Twining plants .. Bioscoreacea;, 118 



Not twining Campanulacece, 70 



186. Leaves in pairs ._ Valerianacece, 67. Caprifoliacea:, 65 



Leaves in whorls 187 



187. Stem square Euhiacece, 66 



Stem round Dioscoreacea;, 118 



MONOCOTYLEDONOUS PLANTS. 



188. Flowers having distin ot petals 1 80 



Flowers not having distinct petals 20T 



