Stamens very numerous. Ovary long-stalked. Embryo curved. Leaves alternate, with small stipules. _Maerua_, =87. Capparidaceae=. 145. Perianth with valvate aestivation. Stamens 4. Ovules ascending, at least the lower ones. Seeds exalbuminous. =169. Penaeaceae.= Perianth with imbricate aestivation. Stamens 8. Ovules pendulous. Seeds albuminous. _Geissoloma_, =168. Geissolomataceae=. 146. (70.) Ovules solitary in each carpel. 147 Ovules 2 or more in each carpel. 152 147. Ovules erect, incurved. Perianth regular, 4-5-parted. Seeds with a curved embryo and mealy albumen. Leaves undivided, without stipules. 148 Ovules pendulous or affixed laterally, rarely erect, but then perianth irregular and strap-shaped or surrounded by an epicalyx. 149 148. Flowers in spikes or racemes. Fruit succulent, baccate. _Phytolacca_, =71. Phytolaccaceae=. Flowers in cymes. Fruit dry. =72. Aizoaceae.= 149. Perianth-segments free or nearly so. Stamens hypogynous. 150 Perianth-segments obviously united, at least in the female flowers. Stamens usually perigynous. 151 150. Flowers unisexual. Stamens as many as perianth-segments. Fruits fleshy, drupaceous. =80. Menispermaceae.= Flowers hermaphrodite or polygamous. Stamens usually more than perianth-segments. Fruits usually dry. =78. Ranunculaceae.= 151. Leaves undivided, exstipulate. Shrubs or trees. Flowers unisexual. Stamens 10 or more. Seeds with copious albumen. =83. Monimiaceae.= Leaves more or less deeply divided or compound, stipulate. Seeds without albumen. =103. Rosaceae.= 152. Perianth of 6 free segments, imbricate in bud. Stamens numerous, free. Herbs. Leaves floating, peltate, exstipulate. _Brasenia_, =76. Nymphaeaceae=. Perianth 4-8-lobed, valvate in bud. Stamens 4 or more, united at the base. Trees. Leaves stipulate. =144. Sterculiaecae.= 153. (69.) Ovary 1-celled. 154 Ovary, at least after fertilisation, completely or almost completely 2-or more-celled. 177 154. Ovule 1. 155 Ovules 2 or more. 167 155. Ovule erect, ascending, attached by an erect funicle, or adnate to the ovary-wall. 156 Ovule pendulous or descending. 162 156. Ovule adnate to the ovary-wall. Style simple; stigma entire. Stamens as many as and opposite the perianth-segments. Perianth valvate in bud. Leaves without stipules. Shrubs growing upon trees. =61. Loranthaceae.= Ovary free from the ovary-wall. Trees or shrubs growing on the ground, or herbaceous plants. 157 157. Ovule straight. Embryo straight. Flowers unisexual. Stamens as many as and opposite the perianth-segments or more. 158 Ovule incurved or inverted. Embryo curved, more rarely straight, but then stamens as many as and alternating with the perianth-segments. 159 158. Stamens 1-5. Leaves simple or digitate, stipulate. =54. Urticaceae.= Stamens numerous. Stigmas 2. Trees. Leaves pinnate, exstipulate. _Juglans_, =49. Juglandaceae=.