XXII 
ANALYTICAL KEY. 
Not tendril bearing. 
Ovules and seeds more than one in each cell. 
Ovary 1-celled, many-ovuled from the base. Portulacacea:, 9 
Ovary 1-celled with 2 or 3 parietal placentae. Saxifragacea;, 22 
Ovary 2-several-celled. 
Anthers opening by pores at the apex; style 1. 
Melastomacea;. 
Anthers not opening by pores. 
Stamens on a flat disk which covers the ovary. 
CELASTRACEA:, 14 
Stamens inserted on the calyx, 
Eight or four (rarely five), style 1. . Onagracea:, 24 
Five or ten ; styles 2-3, distinct. . Saxifragacea;, 22 
Ovules and seeds only one in each cell. 
Stamens 10 or 5 (instead of many) — rarely in 
Crataegus, in Rosaceae. 
Stamens 2 or 8; styie 1 ; stigma 2-4 lobed; herbs. Onagraceae, 24 
Stamens 4 or 8; aquatics; styles or sessile stigmas 4. Halorageai. 
Perfect stamens 4; styles 2; shrub. . . Hamamelideas, 23 
Stamens 4; style and stigmas 1 ; chiefly shrubs. Cornacea:, 28 
Stamens 5; flowers in umbels, or rarely in heads. 
Fruit dry, splitting in two at maturity; styles 2. 
Umbeliaferae, 25-27 
Fruit berry-like ; styles 2-5, separate or united. Araliacea:, 27-28 
Division II. CfAMOPETALOUS ; calyx and corolla both present; the 
latter with its petals united more or less in one piece. 
A. Stamens more numerous than the lobes of the corolla. 
Ovary 1-celled with one parietal placenta. . Leguminosae, 17 
Ovary 1-celled with two parietal placentae. 
Adlumia, in Fumariaceae. 
Ovary 1-celled with the ovules at center or base. Styracaceai. 
Ovary 2-celled with a single ovule in each cell. Polygalaceae, 17 
Ovary 3-many celled. 
Stamens free or nearly free from the corolla ; style single. 
Ericaceae, 47 
Stamens free from the corolla ; styles 5. Oxalis, in Geraniacea;, 12 
Stamens inserted on the base or tube of the corolla. 
Filaments monadelphous ; anthers 1-celled ; kidney-shaped. 
Malvacea:, 97 
Filaments 1-5-adelphous at base ; anthers 2-celled. 
Calyx free from the ovary. . . Ternstroemiaceae. 
