APETALAE II 



Seeds without albumen ; embryo straight. Shrubs. Leaves alternate. 



Empleiirum , 115. Rutaceae. 

 Flowers hermaphrodite. Seeds with mealy albumen ; embryo more or 



less curved. Usually herbs io6 



io6. Leaves alternate. Stamens 5 68. Amarantaceae. 



Leaves opposite or whorled 107 



107. Stigma I, rarely stigmas 2, and then ovules 2 — ^4. Stamens 5 or more^ 



perigynous 72. Aizoaceae. 



Stigmas 3 — 5, more rarely 2, but then ovules numerous or stamens i — 3, 



75. Caryophyllaceae. 



108. (103.) Ovules 2, suspended side by side from the apex of the cell or from 



a central placenta. Fruit drupaceous, usually one-seeded. . , log 



Ovules 2, one above the other, or more than 2, affixed to one or more 



parietal placentas 112 



109. Stamens as many as, and alternate with the perianth-segments. Leaves 



exstipulate 132. Icacinaceae. 



Stamens as many as, and opposite the perianth-segments, or in greater 



number no- 



no. Flowers hermaphrodite. Leaves exstipulate. ... 59. Olacaceae. 

 Flowers unisexual. Leaves stipulate in 



111. Stamens very numerous. Perianth 4 — 5-parted. Flowers fascicled. 



Guya, 159. Flacourtiaceae. 

 Stamens 2 — 8, rarely more, but then perianth 6 — 8-parted. 



122. Euphorbiaceae. 



112. Ovules 2 or more, attached to a single placenta. Stamens more or less 



perigynous. Fruit a legume. Leaves compound or reduced to the 



dilated foot-stalk, usually stipulate 105. Leguminosae. 



Ovules 3 or more, attached to 2 or more placentas, rarely to a single one, 

 but then fruit a berry and leaves simple and undivided. . . .113 



113. Style simple, or a sessile stigma 114 



Styles, style-branches, or sessile stigmas 2 or more 116 



114. Perianth-segments imbricate in bud. Stamens 10 or more. Ovary 



sessile. Seeds albuminous 159. Flacourtiaceae. 



Perianth-segments valvate in bud, more rarely imbricate, but then ovary 

 stalked. Seeds exalbuminous 115 



115. Stamens more or less perigynous. Ovary sessile or short-stalked. 



Perianth-segments valvate in bud. Leaves exstipulate. Seeds with 



straight embryo 173. Lythraceae. 



Stamens hypogynous, more rarely perigynous, but then ovary long- 

 stalked and leaves stipulate. Seeds with curved embryo. 



87. Capparidaceae. 



116. Ovary at first open at the apex. Styles or sessile stigmas 3, free. Stamens 



10 — 30. Perianth 5 — 6-cleft about halfway down. Seeds exalbumin- 

 ous ; embryo curved Ochradenns, 89. Resedaceae. 



