or THE ORDERS. 
XXI 
Calyx firm and herbaceous. 
Styles from the base of carpels 
Styles terminal ; one to each ovary. 
Fruit leguminous . . . . 
Fruit not leguminous . . . . 
Styles terminal ; three to each ovary. 
Stipules ochreate . . . , 
Stipules simple .... 
Flowers unisexual. 
Carpels more than 1, combined into a solid pistil. 
Flowers amentaceous. Seeds arillate 
Flowers amentaceous. Seeds not arillate 
Flowers amentaceous. Seeds numerous. Plac. parietal 
Flowers not amentaceous. . . . , 
Carpels solitary. 
Cells of anthers perpendicular to the filament 
Cells of anthers parallel with the filament 
Chrysobalanace.®, p. 158. 
Leguminos®, p. 148. 
Rosace®, p. 143. 
POLYGONACE®, p. 211. 
Petiveriace®, p. 212. 
SCEPACE®, p. 171. 
Betulace®, p. 171. 
Lacistemace®, p. 183. 
Euphorbiace®, p. 112. 
Stilaginace®, p. 179. 
Urticace®, p. 175. 
ft Leaves destitute of stipules. 
Flowers hermaphrodite. 
Sepals 2 . 
Sepals more than 2. 
Carpels more than 1, combined into a solid pistil. 
Placentas pafietal, in lines 
Placentas parietal, lining the pericarp 
Placentas in the axis. 
Ovary with a very small number of ovules. 
Calyx short, herbaceous. Gynobasic 
Calyx short, herbaceous, not gynobasic. 
Embryo curved round mealy albumen 
Embryo straight 
Calyx tubular coloured . 
Ovary with numerous ovules. 
Two divaricating carpels 
Carpels not divaricating. Stamens hypogynous. 
Leaves opposite. Calyx tubular 
Leaves opposite. Calyx 5-leaved 
Leaves alternate 
Carpels not divaricating. Stamens perigynous. 
Fruit 1 -celled .... 
Fruit many-celled 
Carpels solitary or quite separate. 
Carpels several. Stamens hypogynous 
Carpels several. Stamens perigynous 
Carpels single. 
Anther- valves recurved. Leafy 
Anther-valves recurved. Leafless . 
Anther-valves slit. 
Fruit a legume .... 
Fruit not a legume. 
Calyx long or tubular, with a hardened base 
Calyx long or tubular, with a hardened tube 
Calyx long or tubular, no where hardened. 
Stamens in the points of the sepals . 
Stamens not in the points of the sepals. 
Ovules erect 
Ovules pendulous. 
Fruit 2-valved . 
Fruit indehiscent. Calyx calyculate 
Fruit indehiscent. Calyx naked 
Calyx short, not tubular, or but little so. 
Leaves dotted 
Leaves not dotted. Flowers in involucels 
Leaves not dotted. Flowers naked. 
Calyx dry and coloured . 
Calyx herbaceous . 
. Portulacace®, p. 123. 
. Papaverace®, p. 7. 
. Flacourtiace®, p. 70. 
. Rutace®, p. 130. 
. Phytolaccace®, p. 210. 
. Celastrace®, p. 119. 
. Pen®ace®, p. 203. 
. Saxifragace®, p. 162. 
. Silenace®, p. 124. 
. Alsinace®, p. 125. 
. Podostemace®, p. 190. 
. Primulace®, p. 223. 
. Lythrace®, p. 100. 
. Ranunculace®, p. 5. 
. Cephalotace®, p. 14. 
. Laurace®, p. 200. 
. Cassythace®, p. 202. 
. Leguminos®, p. 148. 
. Nyctaginace®, p. 213. 
. Scleranthace®, p. 213. 
. Proteace®, p. 197. 
. El®agnace®, p. 194. 
. Aquilariace®, p. 196. 
. Hernandiace®, p. 195. 
. Thymelace®, p. 194. 
. Amyridace®, p. 165. 
. PoLYGONACE®, p. 212. 
. Amarantace®, p. 207. 
. Chenopodiace®, p. 208. 
