. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. CRUCIFERAE. Vol. II. 5. Draba nivalis Lilj. Yellow Arctic Whitlow-grass. Fig. 2001. Draba nivalis Lilj. Vet. Akad. Handl. 1793 : 208. 1793. Perennial by a short branched caudex; scapes tufted, somewhat pubescent, slender, leafless or sometimes bearing a small sessile leaf, i'-4' high. Basal leaves usually numerous, tufted, oblanceolate or spatulate, 2"-7&q
. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. CRUCIFERAE. Vol. II. 5. Draba nivalis Lilj. Yellow Arctic Whitlow-grass. Fig. 2001. Draba nivalis Lilj. Vet. Akad. Handl. 1793 : 208. 1793. Perennial by a short branched caudex; scapes tufted, somewhat pubescent, slender, leafless or sometimes bearing a small sessile leaf, i'-4' high. Basal leaves usually numerous, tufted, oblanceolate or spatulate, 2"-7" long, entire, acutish or acute at the apex, narrowed into a short petiole, stellate-canescent, not ciliate, or slightly so near the base; flowers yellow, about 2" broad; calyx pubescent; style short; pods oblong or linear-oblong, narrowed at both ends, glabrous or but little pubescent, on ascending pedicels i"-3" long. Labrador and Greenland, through arctic America to Alaska, south in the Rocky Mountains to Colorado, and in the Sierra Nevada to Nevada. Also in north- ern Europe and Asia. Summer. 6. Draba incana L. Hoary or Twisted Whitlow-grass. Fig. 2002. Draba incana L. Sp. PI. 643. 1753. Draba confusa Ehrh. Beitr. 7: 155. 1792. Perennial or biennial; flowering stems erect, sim- ple or somewhat branched, leafy, loosely pilose- pubescent, 16' high or less. Leaves 4"-i2" long, acutish or obtuse, dentate or nearly entire, the basal ones oblanceolate, those of the flowering stems lanceolate to ovate; flowers white, i"-ii" broad; petals notched, twice as long as the calyx; pods oblong or lanceolate, acute, twisted when ripe, on short nearly erect pedicels, densely pubescent or gla- brous ; style minute. In rocky places, Newfoundland and Labrador to Que- bec. Also in arctic and alpine Europe. Hunger-flower, Nailwort, Summer, Draba hirta L, of high boreal regions has fewer stem- leaves and longer fruiting Please note that these imag
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