. FIGWORT FAMILY 769 



12. P. Fremontii T. & G. Stems 2-3 dm. high; lower leaves spatulate or 

 oblanceolate, 3-6 cm. long, finely puberulent; upper leaves lanceolate or linear; 

 inflorescence dense, not secund; calyx 5 mm. long, slightly puberulent; lobes 

 lanceolate, acute or acuminate; corolla about 15 mm. long; sterile stamen with 

 dilated hirsute tip. Dry hills: Wyo. Colo. Utah. Submont. Je. 



13. P. subglaber Rydb. Stem strict, 3-5 dm. high; basal leaves oblanceo- 

 late, 5-10 cm. long; stem-leaves narrowly lanceolate to nearly linear; calyx about 

 6 mm. long; lobes lanceolate, acute or acuminate; corolla slightly ventricose; 

 sterile stamen short-hirsute. P. glaber utahensis S. Wats. P. utahensis A. Nels., 

 notEastw. Mountains: Wyo. Colo. Utah Ida. Submont. Mont. Je-Au. 



14. P. cyanocaulis Payson. Stem 3-6 dm. high, erect, glabrous; basal 

 leaves spatulate, 4-7 cm. long; stem-leaves oblong-spatulate to lanceolate, sessile; 

 calyx-lobes lanceolate, acute or acuminate, 4-5 mm. long, scarious-margined ; 

 corolla blue, 17-20 mm. long; sterile stamen sparsely hirsute, more than half 

 its length. Dry mesas: w Colo. Submont. My-Je. 



16. P. alpinus Torr. Stem 2-4 dm. high; basal leaves oblanceolate, obtuse, 

 short-petioled; stem-leaves lanceolate and sessile, 5-10 cm. long, acute or acu- 

 minate; inflorescence dense and usually one-sided; calyx 8-10 mm. long; corolla 

 funnelform, more or less ventricose, bluish purple; sterile stamen with yellow 

 beard at the end. P. oreophilus Rydb. P. riparius A. Nels. Mountains: Colo. 

 s Wyo. Submont. Mont. Je-Au. 



16. P. cyananthus Benth. Stems 3-10 dm. high, glabrous and glaucous; 

 lower leaves oblanceolate or spatulate, the upper ovate or subcordate; calyx 

 7-10 mm. long; lobes lanceolate; corolla 2-2.5 cm. long, slightly ventricose; 

 sterile stamen narrow, hirsute. Hills and mountains: Utah Ida. Wyo. Sub- 

 mont. Mont. My-Au. 



17. P. Brandegei Porter. Stems 3-6 dm. high, stout, glabrous or minutely 

 puberulent; basal leaves 5-8 cm. long, petioled, oblong to spatulate, glabrous or 

 nearly so, glaucous; upper stem-leaves sessile, ovate or subcordate, 3-7 cm. long; 

 calyx 4-5 mm. long; sterile stamen club-shaped, almost glabrous. P. cyananthus 

 Brandegei Porter. Mountains: Colo. Submont. Mont. Jl-S. 



18. P. glaber Pursh. Stems stout, glabrous and glaucescent, 3-6 dm. high; 

 lower leaves oblanceolate, 5-15 cm. long, glabrous, the upper oblong or lanceolate; 

 calyx glabrous, about 5 mm. long; corolla bluish purple, about 3 cm. long, some- 

 what ventricose; sterile stamen sparingly hirsute. P. eriantherus Nutt. P. 

 Gordoni Hook. Plains and hills: N.D. Neb. Ida.. Plain Submont. Je-Jl. 



19. P. speciosus Dougl. Stem 2-6 dm. high, glabrous; basal leaves oblance- 

 olate, glabrous, 5-10 cm. long; upper stem-leaves narrowly linear-lanceolate, 

 acuminate; calyx 5-6 mm. long; corolla 2-2.5 cm. long, narrower below and more 

 ventricose above than in P. glaber. P. Rex A. Nels. Plains: Wash. Calif. 

 Nev. Mont. My-Jl. 



20. P. unilateralis Rydb. Stems 3-6 dm. high, glabrous, strict; lower 

 leaves narrowly oblanceolate, 5-10 cm. long, the upper linear-lanceolate; inflor- 

 escence decidedly secund; calyx glabrous, about 5 mm. long; lobes round-oval or 

 ovate, acute or obtuse; corolla narrow below, abruptly ventricose, 2 cm. long. 

 P. secundiflorus A. Gray, not Benth. Mountains: Wyo. N.M. Utah. Sub- 

 mont. Mont. 



21. P. Wardii A. Gray. Stem 1-3 dm. high, densely minutely cinereous- 

 pubescent; leaves thick, oblong or the upper oblong-lanceolate, puberulent; 

 corolla pale and sparsely puberulent. P. glaber Wardii M. E. Jones. Mountains: 

 Utah. Submont. 



22. P. perpulcher A. Nels. Stem 4-8 dm. high, erect, puberulent below; 

 leaves narrowly oblanceolate, 3-10 cm. long; stem-leaves linear-lanceolate to 

 linear; calyx-lobes glabrous, ovate, subscarious and denticulate on the margins; 

 corolla blue, less than 2 cm. long, glabrous within; anthers glabrous; sterile fila- 

 ment stiffly bearded, not dilated at the tip. P. minidocanus and (?) P. payetensis 

 Nels. & Macbr. Dry banks: Ida. Son. 



