776 SCROPHULARIACEAE 



late: corolla reddish, 2-2.5 cm. long, funnelform, ventricose; sterile stamen 

 sparingly villous-bearded at the apex. Rocky places: Alta. Ida. Ore. B.C. 

 Son.-Submont. Je-Au. 



83. P. diffusus Dougl. Stem 3-6 dm. high, somewhat puberulent; leaves 

 ovate or lanceolate, the upper subcordate, serrate, glabrate; inflorescence inter- 

 rupted; calyx more or less pubescent, 6-8 mm. long; lobes ovate or lanceolate, 

 acuminate; corolla blue or purple; sterile stamen sparingly bearded above. 

 Wooded or rocky banks: B.C. Ore. Mont. Je-Jl. 



84. P. diphyllus Rydb. Stem much branched, minutely puberulent, 2-3 

 dm high; leaves 3-5 cm. long, the lower petioled, the upper sessile, lanceolate, 

 acute; calyx glandular-pubescent, 5 mm. long; tobes lanceolate, unequal; corolla 

 funnelform, scarcely ventricose; sterile stamen filiform-clavate, sparingly bearded. 

 Rocky woods: Mont. B.C. Submont. Jl-Au. 



85. P. triphyllus Dougl. Stem slender, 3-8 dm., puberulent or glabrate; 

 leaves lanceolate or linear, 2-4 cm. long, denticulate to incised; calyx 6 mm. long, 

 viscid-puberulent; lobes lanceolate, acuminate; coroUa purple, 12-15 mm. long, 

 tubular-funnelform; sterile stamen bearded at the apex. Dry soil: B.C. Ida. 

 Ore. Son. Submont. My-Je. 



86. P. Kingii S. Wats. Stems branched, 2^-4 dm. high, glabrous or pruinose; 

 leaves oblanceolate, glabrous or puberulent, not glaucous, 2-3 cm. long; inflor- 

 escence strict; calyx sparingly viscid-puberulent; lobes ovate, acuminate; corolla 

 15-25 mm. long, cylindro-funnelform. Mountains: (? Utah) Nev. Submont. 

 Je-Jl. 



87. P. Leonard! Rydb. Stem 1-2 dm. high, minutely puberulent; leaves 

 glabrous and somewhat glaucous, 1-3 cm. long; inflorescence few-flowered; calyx 

 glabrous, 5-6 mm. long; sepals narrowly lanceolate, attenuate; corolla 15-18 mm. 

 long, narrowly funnelform; stamens included; sterile stamen long, glabrous. 

 P. Kingii Coult. & Nels., mainly. Mountains: Utah. Mont. Jl-Au. 



88. P. platyphyllus Rydb. Stems glabrous or minutely puberulent, 3-4 

 dm. high; leaves oval to broadly lanceolate, acute at each end, glabrous; calyx 

 glabrous, 6-8 mm. long; corolla about 2.5 cm. long, funnelform, glabrous; stamens 

 slightly exserted; anthers papillose-hispid on the margins; sterile stamen glabrous, 

 gradually widened upwards. P. heterophyllus latifolius S. Wats. P. latifolius 

 Krautter, not Hoffmgg. Canons: Utah. Submont. Je-Au. 



89. P. Cusickii A. Gray. Stems 2-4 dm. high, pruinose-puberulent ; leaves 

 narrowly linear, 1-A cm. long, puberulent; thyrsus loose; calyx 5 mm. long, 

 glabrous or puberulent, but not viscid; lobes ovate, acuminate; corolla 18-20 

 mm. long, ventricose, funnelform; sterile stamen spatulate-dilated at the tip, 

 glabrous. P. Macbridei A. Nels. Slopes: Ore. Ida. Submont. Je. 



90. P. sepalulus A. Nels. Stems glabrous and glaucous, 3-6 dm. high; 

 leaves narrowly lanceolate or linear, glabrous and glaucous; inflorescence open; 

 calyx glabrous, 3 mm. long; corolla violet, funnelform, ventricose, 2.5 cm. long; 

 anthers minutely papillose on the margin; sterile stamen glabrous, graduately 

 dilated to the truncate apex. P. azureus ambiguus A. Gray. Canons: Utah. 

 Submont. Je-Jl. 



91. P. coccinatus Rydb. Stem erect, 3-6 dm. high; basal leaf-blades ovate 

 or elliptic, acute at both ends, 3-7 cm. long, densely puberulent; upper stem- 

 leaves ovate or ovate-lanceolate, acuminate; calyx about 5 mm. long, puberu- 

 lent; lobes broadly ovate, short-acuminate, scarious-margined and denticulate; 

 corolla red, about 2.5 cm. long, nearly tubular; anthers papillose on the margin, 

 glabrous; sterile stamen glabrous, club-shaped, truncate. P. Eatonii undosus 

 M. E. Jones. Arid places: s Utah Ariz. se Colo. Son. My-Je. 



92. P. Eatonii A. Gray. Stem 3-6 dm. high, glabrous; basal leaves 5-10 

 cm. long; blades spatulate or oblanceolate; calyx glabrous, 5 mm. long; lobes 

 ovate or ovate-lanceolate, acute or somewhat acuminate, slightly scarious- 

 margined; corolla carmine, tubular; sterile stamen usually slightly puberulent at 

 the apex. Dry banks: Utah Ariz. Nev. Submont. Mont. Je-Jl. 



