safras 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.

2a. Flowers in clusters of 2-4, about 3 cm. wide (spring)
=Celandine Poppy, Stylophorum diphyllum.=

2b. Flowers in umbels of 3-8, about 1.5 cm. wide
=Celandine, Chelidonium majus.=

FUMARIACEAE, the Fumitory Family

Herbs with watery juice, compound or dissected leaves, and irregular
flowers; sepals 2, small; petals 4, in two pairs, and one or both of the
outer pair spurred at the base; stamens 6.

1a. Both outer petals spurred or sack-like at the base --2.

1b. One outer petal spurred or sack-like at the base --4.

2a. A climbing vine with flowers in panicles (white or pinkish
flowers in summer) =Climbing Fumitory, Adlumia fungosa.=

2b. Low herbs (2-4 cm.) with basal leaves and white or pinkish
flowers in racemes (early spring) --3.

3a. Spurs of the corolla triangular, divergent
=Dutchman's Breeches, Dicentra cucullaria.=

3b. Spurs of the corolla short and rounded
=Squirrel Corn, Dicentra canadensis.=

4a. Flowers about 5 mm. long, pink-purple tipped with red (3-8 dm.
high; summer) =Fumitory, Fumaria officinalis.=

4b. Flowers 10 mm. long or more, yellow, at least at the tip (2-6
dm. high) (Corydalis) --5.

5a. Flowers yellow throughout (spring) =Corydalis, Corydalis aurea.=

5b. Flowers pink, tipped with yellow (summer).
=Corydalis, Corydalis sempervirens.=

CRUCIFERAE, the Mustard Family

Herbs, with alternate, frequently lobed or dissected leaves, and regular
flowers, usually in racemes; sepals an