806 SCROPHULARIACEAE 



distinct to midrib), each linear-lanceolate, irregularly and somewhat doubly sharply dentate, the 

 cauline blades nearly sessile ; bracts of inflorescence shorter than the flowers, ovate or oval and 

 loosely ciliate, the glabrous caudate tip slightly crenate-dentate ; pedicels 2 mm. long; calyx 

 11-12 mm. long, with 5 linear-attenuate lobes, of which the uppermost is very much the smallest 

 and the others are united laterally one-fourth to one-third their length; corolla 18 mm. long, 

 glabrous, dorsally purple and ventrally yellow, the upper lip 10-11 mm. long, with rounded apex, 

 the lower lip 7-8 mm. long, its lobes slightly erose or ciliate and distally spreadmg ; anther-cells 

 acutish ; capsule 12 mm. long, dorsally rounded, ventrally straight, not seen mature. 



Open coniferous forest and alpine meadows, Hudsonian and lower Arctic- Alpine Zones; mountains, southern 

 British Columbia to northern Washington and northern Idaho. Type locality: Wauconda, Okanogan County, 

 Washington. June-Aug. 



9. Pedicularis flavida Pennell. Cascade Mountains Lousewort. Fig. 4810. 



Pedicularis flavida Pennell, Bull. Torrey Club 61 : 445. 1934. 



Plant glabrous throughout, or with calyx-lobes sometimes finely ciliate. Stem 3-8 dm. tall, 

 exceeding the leaves which may reach 8-10 cm. long and 5-6 cm. wide, with 9 to 12 pairs of 

 pinnules (all but the distal distinct to midrib), each linear-lanceolate, irregularly and somewhat 

 doubly sharply dentate, the cauline blades nearly sessile, but the basal on petioles often 10 cm. 

 long; bracts of inflorescence shorter than the flowers, proximally ovate-lanceolate and entire, 

 the caudate distal half finely dentate; pedicels 1.5-2 mm. long; calyx 9-10 mm. long, \yith 

 5 linear-attenuate lobes, of which the uppermost is much the smallest and the others are united 

 laterally nearly one-half their length; corolla 15-17 mm. long, glabrous, light yellow, the upper 

 lip 9 mm. long, decurved, strongly hooded, with rounded apex, the lower lip 5 mm. long, its erose 

 lobes spreading ; anther-cells acute ; capsule 9 mm. long, decurved at apex, dorsally rounded and 

 dehiscing throughout, ventrally straight and not dehiscing. 



Moist meadows and thickets, and in moist coniferous forest, Canadian Zone; Cascade Mountains of Oregon. 

 Type locality: Elk Lake, Deschutes County, Oregon. June-Aug. 



10. Pedicularis latifolia Pennell. Wide-leaved Lousewort. Fig. 4811. 



Pedicularis latifolia Pennell, Bull. Torrey Club 61 : 448. 1934. 



Plant glabrous below the slightly hairy inflorescence. Stem 4-12 dm. tall, exceeding the 

 leaves which may reach 15-20 cm. long and 10-15 cm. wide, with 8 to 10 pairs of pinnules (all 

 but the distal distinct to midrib), each linear-lanceolate, irregularly and somewhat doubly sharply 

 dentate, the cauline blades nearly sessile, but the basal on long petioles ; bracts of inflorescence 

 shorter than the flowers, proximally ovate or ovate-lanceolate, entire usually proximally or 

 throughout, the caudate distal half crenate-dentate toward apex; pedicels 1-1.5 mm. long; 

 calyx 11-13 mm. long, with 5 lanceolate lobes, of which the uppermost is lower-set and so much 

 the smallest, the others united laterally about two-thirds their length; corolla 16-18 mm. long, 

 glabrous, citron-yellow to partially or wholly purple, the upper lip 10 mm. long, truncately 

 rounded at apex, the lower lip 5 mm. long, its lobes slightly erose or ciliate and spreading; 

 anther-cells acute; capsule 10 mm. long, decurved at apex, dorsally rounded and dehiscing 

 throughout, ventrally straight and dehiscing only slightly near apex ; seeds 3 mm. long. 



Open coniferous forest, Canadian and Hudsonian Zones; mountains. Cascade Range jrom Okanogan 

 County south to Mount Rainier. Washington, and east to northern Idaho. Type locality: Paradise Inn, Mount 

 Rainier, Washington. June-Aug. 



11. Pedicularis Canbyi A. Gray. Canby's Lousewort. Fig. 4812. 



Pedicularis Canbyi A. Gray, Syn. Fl. N. Amer. ed. 2. 2^: 454. 1886. 

 Pedicularis siifolia Rydb. Bull. Torrey Club 34: 35. 1907. 



Plant glabrous below the slightly villose inflorescence. Stem 3-5 dm. tall, exceeding the 

 leaves which may reach 12-15 cm. long and 7-8 cm. wide, with 6 to 9 pairs of pinnules (all but 

 distal distinct to midrib), each linear or lance-linear, irregularly and somewhat doubly sharply 

 dentate, the cauline blades nearly sessile, but the basal on petioles which may reach 10 cm. long; 

 bracts of inflorescence shorter than the flowers, ovate or lance-ovate, entire and ciliate, the 

 caudate distal third serrate-dentate; pedicels 1-1.5 mm. long; calyx 7-9 mm. long, with 5 linear- 

 lanceolate lobes, of which the uppermost is lower-set and shortest, the others united laterally 

 about two-thirds their length; corolla 15-17 mm. long, glabrous, citron-yellow, the upper lip 

 9-10 mm. long, distally decurved and rounded to a beak 1-2 mm. long, the lower lip 5 mm. long, 

 its erose lobes spreading ; anther-cells acute ; capsule 8-9 mm. long, decurved at apex, dorsally 

 rounded and dehiscing throughout, ventrally straight and dehiscing distally ; seeds 4 mm. long. 



Open coniferous forest, Canadian Zone; mountains, southeastern Washington to western Montana. Type 

 locality: McDonald's Peak, Mission Range, Montana. May- Aug. 



12 Pedicularis rainierensis Pennell & Warren. Mount Rainier Lousewort. 



Fig. 4813. 



Pedicularis rainierensis Pennell & Warren, Bull. Torrey Club 55: 317. 1928. 



Plant glabrous below the villose inflorescence. Stem 1.5-4 dm. tall, exceeding the leaves, 

 the blades of which may reach 8-10 cm. long and 3 cm. wide, with 9 to 12 pairs of pinnules (all 

 but the distal distinct to midrib), each lanceolate and deeply cut into irregularly dentate pin- 

 nately arranged lobes, the upper cauline blades sessile but the lower and basal on petioles that 

 may reach 3-5 cm. long; bracts of inflorescence shorter than the flowers, lanceolate, entire and 

 ciliate, the caudate distal half somewhat foliose and serrate-dentate toward apex; pedicels 



