DICHOTOMOUS ANALYSIS. 197 



ACHLAMYDEOUS PLANTS. 



183. Leaves with stipules 134 



Leaves without stipules 137 



134. Ovules numerous Amentacece,, 115— Sub-order Salianeab. 



Ovules few 135 



135. Carpels 3 Euphorbiacete, 108 



Carpels single 136 



136. Small sbrub A mentacece, 115— Sub-order Myricacece. 



Large trees Amentacece, 115— Sub-order Plataneaz. 



137. Flowers having only stamens or pistils 140 



Flowers perfect 142 



140. Ovules naked ; fruit a cone Coniferce. 



Ovules covered 141 



141. Shrubs Amentaceaz 115 — Sub-order 3fyricaoea>. 



Aquatic plants J } odo«temacea>, 112. Callitfichacece, 113 



142. Flowers in dense terminal spikes Saururacea, 114 



Flowers solitary or in panicles Podostomavea, 1 12 



MONOPETALOUS PLANTS. 



143. Ovary superior 144 



Ovary inferior 178 



144. Flowers regular 145 



Flowers irregular 171 



Monopetalct. Regular Flowers. 



145. Ovary 4-lobed Boraginacece,, 87 



Ovary somewhat 2-lobed or spherical Scrophularidcece, 90 



Ovary not lobed 146 



146. Anthers opening by pores 147 



Anthers opening by slits 148 



147. Ovary 2-celled Solanacecs, 88 



Ovary more than 2-celled Ericaceae, 72 



148. Trees, shrubs, undeishrubs, or with evergreen foliage 149 



Herbaceous plants 155 



149. Twining plants Loganiacew, 81. GeUeminum. 



Plants not twining 150 



150. Stamens 2 Oleacece, 7S 



Stamens more than 2 151 



151. Flowers dioecious or polygamous 152 



Flowers perfect 153 



152. Fruit a large berry 8— 12-seeded Ehenacem, 74 



Fruit a small berry 3 — 6-seeded Aquifoliacece, 75 



153. Stamens somewhat monadelphous Styraceai, 73 



Stamens distinct Vaccinacem, 71 154 



154. Flowers conspicuous Ericaeece,, 72 



Flowers inconspicuous Sapotacea. 76 



155. Plants without green herbage 156 



Plants with green herbage 157 



156. Parasitic vines Convolvulacece, 86. Cuecuta. 



Erect plants Ericacem, 72. Monotropa. 



157. Twining plants 158 



Plants not twining \ 160 



158. Fruit follicular 159 



Fruit capsular Convolvulacew, 86 



159. Flowers in umbels A.<sclepiadacea>, 79. Gonolobtis. 



Flowers in corymbose racemes Apocynacea:, 80. Echites. 



160. Fruit follicular 161 



Fruit not follicular 162 



161. Flowers in umbels Asclepiadaceoj, 79 



Flowers not in umbels Apocynacea, SO 



