d. Stamens attached to the corolla,

plants without green foliage. _Monotropaceae_ 356 a. Stamens five or fewer in number. b. Corolla regular. c. Stamens free from the corolla. _Ericaceae_ 340 c. Stamens attached to the corolla. d. Pistil one. e. Stamens of the same number as the corolla lobes and opposite them. _Primulaceae_ 362 e. Stamens alternate with the corolla lobes or fewer. f. Ovary one- or two-celled. g. Styles two or occasionally one. h. Capsule usually many-seeded; sepals united. _Hydrophyllaceae_ 402 h. Capsule few-seeded; sepals separate. _Convolvulaceae_ 380 g. Styles one or none. h. leaves opposite.