=Monocotyledones= (p. 365). Embryo with only 1 seed leaf. Leaves typically parallel-nerved. Vascular bundles of the stem scattered. Flowers mostly with parts in 3’s—for key to families of this group see p. 45. ARTIFICIAL KEY TO THE FAMILIES OF DICOTYLEDONES REPRESENTED IN THIS FLORA. (Extracted and adapted from Hutchinson, _Families of Flowering Plants_.) KEY TO THE ARTIFICIAL GROUPS.[3] Gynæcium composed of 2 or more separate or nearly quite separate carpels with separate styles and stigmas (rarely the free carpels immersed in the expanded torus (Nymphæaceæ). “=APOCARPÆ=” Petals present free from each other, sometimes considerably modified or scarcely distinguishable from the sepals. Group 1 (p. 17). Petals present more or less united Group 2 (p. 18). Petals absent Group 3 (p. 18). Gynæcium composed of 1 carpel or 2 or more united carpels with free or united styles, or if carpels free below, then the styles or stigmas united. “=SYNCARPÆ=” Ovules attached to the wall or walls of the ovary. “=Parietales=” Ovary superior: Petals present, free from each other Group 4 (p. 19). Petals present, more or less united Group 5 (p. 22). Petals absent Group 6 (p. 24). Ovary inferior: Petals present, free from each other Group 7 (p. 25). Petals present, more or less united Group 8(p. 25). Petals absent Group 9 (p. 26). Ovules attached to the central axis, or to the base or apex of the ovary cell. “=Axiles=” Ovary superior: Petals present, free from each other Group 10 (p. 26). Petals present, more or less united Group 11 (p. 33). Petals absent Group 12 (p. 37). Ovary inferior: Petals present, free from each other Group 13 (p. 41). Petals present, more or less united Group 14 (p. 43). Petals absent