This section is from the book "An Illustrated Flora Of The Northern United States, Canada And The British Possessions Vol3", by Nathaniel Lord Britton, Addison Brown. Also available from Amazon: An Illustrated Flora of the Northern United States, Canada and the British Possessions. 3 Volume Set..
P. euphrasoides Steph.; Willd. Sp. Pl. 3: 204. 1801.
Biennial or annual, puberulent; stem branched, 6'-15' high, the branches ascending. Lower leaves petioled, lanceolate or oblong-lanceolate in outline, 2-4' long, 4"-8" wide, pinnatifid into oblong, obtuse, crenate-dentate segments; upper leaves sessile, linear or linear-oblong, smaller, merely crenulate; flowers in a short terminal spike and solitary in the upper axils; calyx cleft on the lower side, 2-3-toothed on the upper, shorter than the corolla-tube; corolla yellow, or the galea purplish, about 6" long; galea as long as the tube, tipped with a very short truncate beak, minutely 2-toothed on the lower side at the apex; capsule apparently shorter than the calyx.
Labrador to Greenland, the Arctic Sea, Alaska and British Columbia. Also in northern Asia. Summer.
Pedicularis palustris L. 607. 1753.
?P. parviflora J. E. Smith in Rees' Cyclop. 26: No. 4.
1814. Pedicularis Wlassoviana Stev. Mem. Soc. Nat. Mosc.
6: 29. pl. 9, f. 1. 1823. Pedicularis palustris var. Wlassoviana Bunge;
Ledeb. Fl. Ross. 3: 283. 1847-49.
Biennial or annual, glabrous throughout, or the petiole-bases ciliate; stem erect, much branched, 1°-2° high. Leaves 1'-2' long, alternate, or some of them opposite, oblong-lanceolate in outline, all pinnatifid into oblong crenate or incised segments; flowers in terminal rather loose spikes and solitary in the upper axils, 7"-9" long; calyx 2-cleft, the lobes with an incised crested border; corolla purple, sometimes white, its tube twice as long as the calyx, the lip much shorter, the galea arched at the top, blunt or apiculate, not beaked, bearing a pair of minute teeth below its summit; capsule obliquely ovate, twice as long as the calyx when mature.
In wet situations, Labrador to Alaska, south to Quebec, the Northwest Territory and Oregon. Europe. Summer. Red rattle. Cow's-wort.
Pedicularis lanceolata Michx. Fl. Bor. Am. 2: 18. 1803. Pedicularis auriculata J. E. Smith in Rees' Cyclop. 26: No. 4. 1814.
Perennial, glabrous or very nearly so throughout; stem stout, simple, or branched above, 1°-3° high, the branches erect. Leaves alternate and opposite, lanceolate, or linear-lanceolate, 2-5' long, pinnately lobed, the lower petioled, the upper sessile, the lobes oblong, obtuse, short, crenate-dentate, the margins cartilaginous; spikes short; calyx 2-lobed, the lobes with folia-ceous margins; corolla yellow, 8"-10" long, the galea arched, terminated by a very short truncate beak, the lower lip erect-ascending; capsule ovate, little exceeding the calyx, about 5" high.
In swamps, Ontario to Connecticut, North Carolina, Manitoba, Ohio, Michigan, South Dakota and Nebraska. Aug.-Oct.