WATER-PLANTAIN FAMILY. Alismaceae.

LILY FAMILY. Liliaceae.

IRIS FAMILY. Iridaceae.

ORCHID FAMILY. Orchidaceae.

LIZARD-TAIL. Saururaceae.

SANDALWOOD FAMILY. Santalaceae.

BIRTHWORT FAMILY. Aristolochiaceae

BUCKWHEAT FAMILY. Polygonaceae.

PIGWEED FAMILY. Chenopodiaceae.

FOUR-O'CLOCK FAMILY. Nyctaginaceae.

CARPET-WEED FAMILY. Aizoaceae.

PINK FAMILY. Caryophyllaceae.

PURSLANE FAMILY. Portulacaceae.

BUTTERCUP FAMILY. Ranunculaceae.

BARBERRY FAMILY. Berberidaceae.

WATER LILY FAMILY. Nymphaeaceae.

STRAWBERRY SHRUB FAMILY. Calycanthaceae.

POPPY FAMILY. Papaveraceae.

BLEEDING HEART FAMILY. Fumariaceae.

MUSTARD FAMILY. Cruciferae.

CAPER FAMILY. Capparidaceae.

ORPINE FAMILY. Crassulaceae.

SAXIFRAGE FAMILY. Saxifragaceae.

HYDRANGEA FAMILY. Hydrangeaceae.

GOOSEBERRY FAMILY. Grossulariaceae.

APPLE FAMILY. Pomaceae.

PLUM FAMILY. Drupaceae.

ROSE FAMILY. Rosaceae.

PEA FAMILY. Fabaceae.

SENNA FAMILY. Cassiaceae.

MIMOSA FAMILY. Mimosaceae.

KRAMERIA FAMILY. Krameriaceae.

CALTROP FAMILY. Zygophyllaceae.

FLAX FAMILY. Linaceae.

WOOD-SORREL FAMILY. Oxalidaceae.

GERANIUM FAMILY. Geraniaceae.

MILKWORT FAMILY. Polygalaceae.

MEADOW FOAM FAMILY. Limnanthaceae.

BUCKEYE FAMILY. Hippocastanaceae.

BUCKTHORN FAMILY. Rhamnaceae.

MALLOW FAMILY. Malvaceae.

ST. JOHN'S-WORT FAMILY. Hypericaceae.

FOUQUIERA FAMILY. Fouquieriaceae.

VIOLET FAMILY. Violaceae.

LOASA FAMILY. Loasaceae.

ROCK-ROSE FAMILY. Cistaceae.

CACTUS FAMILY. Cactaceae.

EVENING PRIMROSE FAMILY. Onagraceae.

PARSLEY FAMILY. Umbelliferae.

DOGWOOD FAMILY. Cornaceae.

HEATH FAMILY. Ericaceae.

WINTERGREEN FAMILY. Pyrolaceae.

INDIAN PIPE FAMILY. Monotropaceae.

PRIMROSE FAMILY. Primulaceae.

OLIVE FAMILY. Oleaceae.

GENTIAN FAMILY. Gentianaceae.

MILKWEED FAMILY. Asclepiadaceae.

DOGBANE FAMILY. Apocynaceae.

BUCK-BEAN FAMILY. Menyanthaceae.

MORNING-GLORY FAMILY. Convolvulaceae.

PHLOX FAMILY. Polemoniaceae.

WATERLEAF FAMILY. Hydrophyllaceae.

BORAGE FAMILY. Boraginaceae.

VERBENA FAMILY. Verbenaceae.

MINT FAMILY. Labiatae.

POTATO FAMILY. Solanaceae.

FIGWORT FAMILY. Scrophulariaceae.

BROOM-RAPE FAMILY. Orobanchaceae.

MADDER FAMILY. Rubiaceae.

VALERIAN FAMILY. Valerianaceae.

HONEYSUCKLE FAMILY. Caprifoliaceae.

GOURD FAMILY. Cucurbitaceae.

BELLFLOWER FAMILY. Campanulaceae.

SUNFLOWER FAMILY. Compositae.

CHICORY FAMILY. Cicoriaceae.

INDEX.