41. Malvaceae - Mallow, hibiscus, cotton; herbs or shrubs, often covered with stellate hairs; leaves alternate, simple, often palmately loved and veined, stipules present; flowers perfect, calyx of 3-5 sepals, ± united, sometimes subtended by coherent bracts (epicalyx); corolla of 5 separate petals; stamens numerous, monadelphous (filaments fused into a tube around the pistil); carpels 5 to many, united, ovary superior.

42. Tiliaceae (Now included in the Malvaceae) - Basswood, linden; mostly trees; leaves alternate; flowers in cymes, in Tilia with the peduncle adnate half its length to a large, membranous bract, which persists in fruit and aids in dispersal.