lowers in terminal clusters; leaves hairy (2-4 dm. high)
=Deptford Pink, Dianthus armeria.=

30b. Flowers solitary at the ends of long pedicels --31.

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