Trees or shrubs, with alternate leaves, and large, frequently showy flowers. One species in Michigan, with broad 4-lobed leaves and greenish-yellow flowers in late spring =Tulip Tree, Liriodendron tulipifera.= ANONACEAE, the Custard Apple Family Trees or shrubs, with alternate simple entire leaves, 3 sepals, and 6 petals. One species in Michigan; tall shrub or small tree, with obovate leaves and large dull-purple flowers in spring =Papaw, Asimina triloba.= MENISPERMACEAE, the Moonseed Family Woody climbers, with alternate leaves, 6-8 petals, and numerous stamens. One species in Michigan, with 5-7-angled leaves which are peltate near the edge, and small white flowers in early summer =Moonseed, Menispermum canadense.= BERBERIDACEAE, the Barberry Family Shrubs or herbs; petals 6 or more; stamens 6-18, frequently opening by two terminal lids; pistil 1. 1a. Leaves simple --2. 1b. Leaves compound --3. 2a. Stem shrubby (flowers yellow, in racemes, in spring) =Barberry, Berberis vulgaris.= 2b. Stem herbaceous, with a single pair of palmately lobed leaves (4-6 dm. tall; flower white, solitary, terminal, in spring) =May Apple, Podophyllum peltatum.= 3a. Leaves all basal; leaflets 2 (2-4 dm. high; the flower-stalks bearing solitary white flowers in spring) =Twin-leaf, Jeffersonia diphylla.= 3b. The stem-leaf ternately compound, with numerous leaflets (4-8 dm. high; with yellowish-green clustered flowers in spring) =Blue Cohosh, Caulophyllum thalictroides.= LAURACEAE, the Laurel Family Trees or shrubs, with aromatic taste or odor, and alternate simple leaves; flowers small, imperfect, the anthers opening by lids. 1a. Freely branched shrub; leaves obovate-oblong, entire (flowers yellow, in early spring, before the leaves) =Spice Bush, Benzoin aestivale.= 1b. Tree or tall shrub; some or all of the leaves 2-3-lobed (flowers greenish-yellow, appearing with the leaves) =Sassafras, Sassafras variifolium.= PAPAVERACEAE, the Poppy Family Herbs with milky or colored juice, regular flowers, 2 sepals, 4, 6, or 8 petals, numerous stamens, and a 1-celled ovary. 1a. Leaves palmately lobed; flower 2.5-5 cm. wide, with 8 petals or more (leaf basal; flower white, in early spring) =Bloodroot, Sanguinaria canadensis.= 1b. Leaves pinnately toothed or lobed; flower 7-10 cm. wide, with 4-6 petals (4-8 cm. high; leaves clasping; summer) =Poppy, Papaver somniferum.= 1c. Leaves divided pinnately to the mid-rib into several toothed or lobed segments; flower 2.5 cm. broad or less (3-5 cm. high; flowers yellow) --2.