768 SCROPHULARIACEAE 



Anthers glabrous; leaves usually glabrous. 95. P. Torreyi, 



Anthers long-bearded; leaves usually somewhat puberulent. 96. P. trichander, 



XX. Bridgesiani. 



One species. 97. P. BridgesiL 



1. P. fruticosus (Pursh) Greene. Suffruticose, 2-10 dm. high; leaves 

 spatulate, mostly obtuse, usually serrulate, 2-3 cm. long, the upper ones of the 

 flowering branches smaller, ovate, sessile; calyx about 1 cm. long, densely glandu- 

 lar-hirsute; sepals lanceolate, acutish; corolla about 3 cm. long, purple. Hills and 

 mountain sides: Alta. — Mont. — Ida. — Wash.— B.C. Submont.—Mont. Jl-Au. 



2. P. ellipticus Coult. & Fisher. Perennial, with a procumbent subter- 

 ranean woody stem; branches erect, minutely puberulent, 7-20 cm. high; leaves 

 firm, broadly elliptic or rotund, the lower short-petioled, distantly serrulate or 

 entire; calyx densely viscid-pubescent, 10-12 mm. long; lobes lanceolate, atten- 

 uate; corolla violet-purple, 3-3.5 cm. long, strongly ventricose; anthers white- 

 hairy. Moimtains : Ida. — Mont. — Alta. MonL—Subalp. Au. 



3. P. Menziesii Hook. Densely matted suffrutescent perennial; branches 

 1-1.5 dm. high, ascending, puberulent; leaves short-petioled, obovate or broadly 

 spatulate, more or less dentate, thick and leathery; calyx about 8 mm. long, 

 sparingly viscid; lobes lanceolate, acutish or obtuse; corolla purple, 2.5 cm., 

 rarely 3 cm. long. High mountains: B.C. — Wash.— Alta. Subalp, — Alp, Je-Au. 



4. P. crassifolius Lindl. Low shrub, 5-15 dm. high; leaves petioled, gla- 

 brous, 2-5 cm. long, the upper floral ones much reduced, lanceolate or linear; 

 calyx fully 1 cm. long, densely glandular-hirsute; corolla lilac-purple, pinkish 

 at the base, about 3 cm. long, very slightly ventricose. Mouji tains: Wash. — 

 Wyo. — Mont. SubmoriL — Mont. Je-Au. 



5. P. Scouleri Dougl. Low shrub, 2-5 dm. high; leaves short-petioled, 

 2-3 cm. long, the upper lanceolate and somewhat reduced; calyx sparingly glandu- 

 lar; corolla lilac-purple, 3.5-4 cm. long. Momitains: B.C.— Ida.^n Calif. Sub- 

 mont. Je-Au. 



6. P. Lyallii A. Gray. Perennial, with a woody caudex; stems about 3 dm. 

 high, glabrous or nearly so; leaves sessile, lanceolate to narrowly hnear-lanceo- 

 late, sparingly denticulate, 5-10 cm, long; calyx glandular-hirsute; lobes lanceo- 

 late, acute to attenuate. Mountains: B.C.— Ida. — Mont. — Alta. Submont,— 

 Mont. Je-Jl. 



7. P. linearifolius Coult. & Fisher. Perennial, with a woody caudex; 

 stems 2-3 dm. high, grayish pubescent; leaves linear or linear-lanceloate, attenu- 

 ate, 2-7 cm. long, entire or minutely denticulate; calyx glandular; lobes linear- 

 lanceolate, attenuate; corolla light purple. Granite ledges: Ida. — Mont. Suh- 

 mont. Jl. 



8. P. montanus Greene. Perennial, with a cespitose caudex; stems about 

 3 dm. high, cinereous-puberulent; leaves cinereous-puberulent, sessile, saUently 

 dentate, 1-4 cm. long; caljoc about 1 cm. long, densely glandular; lobes lanceolate, 

 acute; corolla about 3 cm. long, pink-purple, only slightly ventricose. (?) P- 

 WoodsiiA. Nels. Mountains: Ida. — Mont.— Wyo. Mont.— Subalp, Jl-Au. 



9. P. strictus Benth. Stem strict, glabrous or nearly so, 2-5 dm. high; 

 basal leaves spatulate or oblanceolate, 5-10 cm. long; cauline leaves narrowly 

 linear-lanceolate or linear, glabrous; calyx 4-5 mm. long; corolla 3 cm. long. 

 Hills: Wyo.— N.M.— Utah. Submont .—M onL Je-Au. 



10. P. strictiformis Rydb. Stems 3-5 dm. high, glabrous and strict, simple; 

 basal leaves petioled, 5-10 cm. long, oblanceolate, obtuse, glabrous and slightly 

 glaucous; stem-leaves sessile, lanceolate, acuminate, 4-8 cm. long; corolla about 

 2.5 cm. long. Hills and plains: Colo. Submont.—Mont. Je-S. 



11. P. comarrhenus A. Gray. Stem 2-4 dm. high, glabrous or puberulent 

 below; basal leaves petioled; blades oval, spatulate or oblanceolate, 5-10 cm. 

 long, finely puberulent; stem-leaves oblanceolate or linear; cal>TC-Iobes ovate, 

 4-5 nun. long, short-aciuninate; corolla 2.&-3 cm. long, ventricose, but less so 

 than in P. strictus. Dry hills: Utah— Colo. Submont.—Mont Je-Jl. 



