31a. Flowers 3-4 mm. wide (1-2 dm. high) =Gypsophyll, Gypsophila muralis.= 31b. Flowers 1 cm. wide or more (1-5 dm. high) =Meadow Pink, Dianthus deltoides.= 32a. Flowers less than 1 cm. broad --33. 32b. Flowers more than 1 cm. broad --34. 33a. Flowers white, in large panicles (4-7 dm. high) =Baby's Breath, Gypsophila paniculata.= 33b. Flowers pale red, in loose clusters (4-10 dm. high) =Cowherb, Saponaria vaccaria.= 34a. Leaves with 3-5 prominent veins (4-7 dm. high) =Soapwort, Saponaria officinalis.= 34b. Leaves with one mid-vein (3-6 dm. high) =Sweet William, Dianthus barbatus.= PORTULACACEAE, the Purslane Family Herbs with opposite or alternate leaves and regular flowers with 2 sepals, 5 petals, and a 1-celled ovary with 2 or 3 styles. 1a. Leaves a single pair on each stem (1-2 dm. high; flowers pink, in racemes in early spring) (Spring Beauty) --2. 1b. Leaves numerous (prostrate or spreading; flowers in summer) --3. 2a. Leaves lance-ovate to oblong, not more than six times as long as wide =Spring Beauty, Claytonia caroliniana.= 2b. Leaves linear or linear-lanceolate, more than six times as long as wide =Spring Beauty, Claytonia virginica.= 3a. Flowers yellow, about 5 mm. wide =Purslane, Portulaca oleracea.= 3b. Flowers 2-5 cm. wide =Portulaca, Portulaca grandiflora.= CERATOPHYLLACEAE, the Hornwort Family Submerged aquatics, with whorled, finely dissected leaves and inconspicuous flowers with neither calyx nor corolla. One species in Michigan =Hornwort, Ceratophyllum demersum.= NYMPHAEACEAE, the Water Lily Family Aquatic plants, with usually large and floating leaves which are round or elliptical and palmately veined. 1a. Floating and emersed leaves centrally peltate --2. 1b. Leaves rounded but not peltate, with a deep sinus --3. 2a. Leaves round, 3 dm. in diameter or more; flowers very large, pale yellow =Lotus, Nelumbo lutea.= 2b. Leaves oval, 5-15 cm. long; flowers small, purple =Water Shield, Brasenia schreberi.= 3a. Flowers yellow (Pond Lily) --4. 3b. Flowers white or tinged with pink (Water Lily) --5. 4a. Leaves more than 1 dm. long =Pond Lily, Nymphaea advena.= 4b. Leaves less than 1 dm. long =Pond Lily, Nymphaea microphylla.= 5a. Flowers very fragrant; leaves purplish beneath =Water Lily, Castalia odorata.= 5b. Flowers not fragrant; leaves green beneath =Water Lily, Castalia tuberosa.= RANUNCULACEAE, the Crowfoot Family