Flowers in spikes or racemes, with bracteoles. Perianth herbaceous. Embryo nearly ring-shaped. Leaves alternate, usually exstipulate. =71. Phytolaccaceae.= 86. Perianth more or less scarious or papery. Seed albuminous; embryo ring-or horseshoe-shaped. Flowers with bracteoles. =68. Amarantaceae.= Perianth more or less herbaceous or membranous. Stigmas 2-5. =67. Chenopodiaceae.= 87. (80.) Leaves stipulate. 88 Leaves exstipulate. 89 88. Leaves opposite, undivided. Stamens 2-5. Seed albuminous. =75. Caryophyllaceae.= Leaves alternate. Seed exalbuminous. =103. Rosaceae.= 89. Stem herbaceous. Flowers in heads, unisexual. Stamens as many as and alternate with the perianth-segments. Stigmas 2 in the female flowers. Seed exalbuminous. =226. Compositae.= Stem woody. Stigma 1. 90 90. Perianth with imbricate aestivation. Stamens numerous, free or nearly so. Seed exalbuminous. _Calophyllum_, =149. Guttiferae=. Perianth with valvate aestivation. 91 91. Stamens attached to the perianth, as many as its segments, 4, rarely 5; filaments free. Seed exalbuminous. 92 Stamens free from the perianth, as many as its segments or more often in greater number; filaments more or less united. Seed albuminous. 93 92. Stamens opposite the perianth-segments. Flowers in spikes or heads. =55. Proteaceae.= Stamens alternate with the perianth-segments. Flowers solitary or in fascicles. _Elaeagnus_, =172. Elaeagnaceae=. 93. Stamens 5-15; filaments united at the base only. Anthers opening laterally. Perianth 5-toothed. Style slender. Seed without an aril; embryo large. _Pisonia_, =69. Nyctaginaceae=. Stamens very numerous or with the filaments united throughout their length. Anthers opening outwards. Perianth 2-4-, rarely 5-lobed. Seed with an aril; embryo small. =82. Myristicaceae.= 94. (73.) Ovule straight. 95 Ovule incurved or inverted. 96 95. Perianth 4-parted. Stamens 4. Seed without albumen. Shrubs or trees. Flowers in spikes or heads. =55. Proteaceae.= Perianth 9-12-parted. Stamens 12-16. Seed with a thin albumen. Herbs. Flowers solitary or in pairs in the axils of the leaves. _Ceratophyllum_, =77. Ceratophyllaceae=. 96. Leaves stipulate. 97 Leaves exstipulate. 100 97. Leaves compound, but sometimes with one leaflet only. Ovary tightly enclosed by the perianth. Seed exalbuminous. Herbs, undershrubs, or shrubs. =103. Rosaceae.= Leaves simple, but sometimes (_Moraceae_) dissected. 98 98. Anthers 3-4-celled. Seed albuminous. _Macaranga_, =122. Euphorbiaceae=. Anthers 2-celled. Seed usually exalbuminous. 99 99. Flowers solitary or in fascicles. Stamens straight in the bud. Shrubs or trees. Juice not milky. =52. Ulmaceae.= Flowers in spikes, racemes, panicles, or heads, or inserted upon a dilated and often concave receptacle, rarely in fascicles, but then stamens bent inwards in the bud. Shrubs or trees with a milky juice or herbs. =53. Moraceae.=