Pedicularis lanceolata Michx.
Family: Orobanchaceae
Swamp Lousewort
Pedicularis lanceolata image
Paul Rothrock  
Short-lived; stems 3-8 dm, mostly solitary, glabrous or nearly so, simple or few-branched; lvs mostly opposite, sessile or short-petioled, 5-10 cm, pinnately lobed less than half way to the midvein, each lobe crenate; spikes terminal and from the upper axils; cal 1 cm, very oblique, each lateral half bearing near its lower side a foliaceous, oblong or ovate, entire or crenate appendage; cor 15-25 mm, yellow, the galea about as long as the lower lip, truncate or very shallowly notched at the tip, otherwise entire. Swamps and wet soil; Mass. to Mich., Minn., and N.D., s. to N.C., Mo., and Neb. Aug., Sept.

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

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From Flora of Indiana (1940) by Charles C. Deam
This species is somewhat frequent in the lake area, becoming very local south of it. It is found in marshes, springy places in general, and ditches.