This section is from the book "Our Early Wild Flowers", by Harriet Louise Keeler. See also: Newcomb's Wildflower Guide.
Perennial. In dry soil, prairies. Illinois to the Northwest Territory, Nebraska, and Texas. Absent from northern Ohio. March, April.
Thick.
Six to twelve inches high, with a three-leaved involucre and solitary terminal flower.
Much divided into narrow, linear, acute lobes; the basal on slender petioles, those of the involucre sessile, and erect or ascending.
Large, white or tinged with purple, two to three inches across.
Five to ten petaloid sepals, white or pale bluish purple.
Wanting.
Many; inner stamens with anthers, outer stamens often sterile.
Many carpels in a head, each with a long, hairy style.
A head of akenes, each with a long, persistent, feathery plume, made by the growing style.
A Western Anemone of exquisite beauty, opening its starry flowers very early in the spring, and later in fruit showing heads of silky akenes resembling those of some species of Clematis.

Pasque-Flower. Pulsatilla hirtissima
After Gray's "Genera Plantae Americae"
Pasque is a name for Easter, and Pasque-Flower means Easter-Flower. In Minnesota the Pasque-Flower is known to the children as the first flower to bloom in early spring. It is not really the first, several open earlier, but this is the one that attracts popular attention.
 
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