. Ovaries several in each flower --74.

74a. Leaves pinnately compound 68a, in =ROSACEAE=, p. 57.

74b. Leaves palmately compound =RANUNCULACEAE=, p. 35.

75a. Stamens 6 31, in =CRUCIFERAE=, p. 44.

75b. Stamens 5 or 10 --76.

76a. Leaflets reverse heart-shape; flowers yellow
=OXALIDACEAE=, p. 64.

76b. Leaflets not reverse heart-shape; flowers white, greenish, or
pink --77.

77a. Flowers greenish or white, about 2 mm. broad =ARALIACEAE=, p. 80.

77b. Flowers 5 mm. broad or larger =GERANIACEAE=, p. 64.

78a. Juice milky --79.

78b. Juice not milky --80.

79a. A 3-lobed ovary with 3 short styles visible in some of the flowers
=EUPHORBIACEAE=, p. 66.

79b. Ovaries 2 in the center of each flower (sometimes concealed by
other organs); sepals and petals each 5 --104.

80a. Perianth with one circle of parts only --81.

80b. Each flower with both calyx and corolla --82.

81a. Stem prostrate; flowers only 2 mm. broad =AIZOACEAE=, p. 31.

81b. Stem erect; flowers at least 20 mm. wide 4a, in =CORNACEAE=, p. 83.

82a. Petals 2 or 4 --83.

82b. Petals 3 22, in=LILIACEAE=, p. 12.

82c. Petals 5 or 6 --84.

83a. Leaves with 3-5 principal veins =MELASTOMACEAE=, p. 77.

83b. Leaves with 1 principal mid-vein =ONAGRACEAE=, p. 78.

84a. Leaves palmately lobed --85.

84b. Leaves entire or toothed, or with 1-2 small lobes near the
base only --86.

85a. Petals entire or notched at the end =GERANIACEAE=, p. 64.

85b. Petals conspicuously fringed 23b, in =SAXIFRAGACEAE=, p. 51.

86a. Ovary 1 --87.

86b. Ovaries 2, surrounded and concealed by other organs
=ASCLEPIADACEAE=, p. 90.

86c. Ovaries 4-5 2b, in =CRASSULACEAE=, p. 48.

87a. Leaves dotted with translucent dots (easily seen when the leaf is
held to the light) =HYPERICACEAE=, p. 73.

87b. Leaves not dotted with translucent dots --88.

88a. Leaves only 1-3 mm. long, closely appressed and concealing the
stem 2a, in =CISTACEAE=, p. 74.

88b. Leaves larger, not c