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ckinac northward (summer) =Rock Cress, Braya humilis.= 68b. Leaves obovate or oblong; an introduced weed (spring) =Mouse-ear Cress, Sisymbrium thalianum.= CAPPARIDACEAE, the Caper Family Herbs, with alternate compound leaves, 4 petals, and 6 or more stamens, which are about equal in length; fruit a 1-celled pod. One species in Michigan, stamens about 11; leaflets 3 (2-4 dm. high; flowers yellowish, in summer) =Clammy-weed, Polanisia graveolens.= RESEDACEAE, the Mignonette Family Herbs, with alternate leaves and terminal racemes of small yellowish flowers; sepals 6, petals 6, stamens numerous. One species in Michigan, with divided leaves and irregularly cleft petals, blooming in summer =Yellow Mignonette, Reseda lutea.= SARRACENIACEAE, the Pitcher Plant Family Insectivorous plants, with hollow, pitcher-shaped leaves, and large purple flowers at the ends of naked stems. One species in Michigan, growing in bogs and blooming in late spring =Pitcher Plant, Sarracenia purpurea.= DROSERACEAE, the Sundew Family Insectivorous herbs, with a rosette of basal leaves bearing gland-tipped bristles on their upper surface, and with slender racemes of small white flowers in summer; inhabitants of bogs and swamps (2 dm. high, or less). 1a. Leaf-blade about as long as wide =Sundew, Drosera rotundifolia.= 1b. Leaf-blade about 2-3 times as long as wide =Sundew, Drosera longifolia.= 1c. Leaf-blade about 5-8 times as long as wide =Sundew, Drosera anglica.= 1d. Leaf-blade narrowly linear, about 10 times as long as wide =Sundew, Drosera linearis.= PODOSTEMACEAE, the River Weed Family Small submerged aquatics, growing attached to stones in running water, with dissected leaves and minute flowers. One species in Michigan =River Weed, Podostemum ceratophyllum.= CRASSULACEAE, the Orpine Family Herbs, with usually alternate leaves; the sepals, petals, and pistils each 4 or 5, or in one species the petals none, and the stamens as many or twice as many as the sepals. 1a. Leaves entire (Stonecrop) --2. 1b. Leaves toothed --3. 2a. Leaves 3-5 mm. long, very thick and fleshy (tufted plants about 1 dm. high,
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