riGWORT FAMILY 777 



93. P. utahensis Eastw. Stem 3-6 dm. high, glabrous; basal leaves ob- 

 lanceolate, thick, 5-8 cm. long, glabrous; calyx glabrous, 4 mm. long; lobes ovate 

 or lance-ovate, acute; corolla carmine, 15-20 mm. long, slightly bilabiate, tubu- 

 lar-funnelform; sterile stamen dilated and hooked at the tip, glabrous. P, con- 

 fusus M. E. Jones. P. Eastwoodiae Heller. Arid regions: Ariz,— s Utah. Son, 



94. P. barbatus (Cav.) Nutt. Stem 3-18 dm. high, glabrous; lower leaves 

 petioled, oblong or ovate, glabrous; stem-leaves lanceolate to linear; calyx 5 mm. 

 long, glabrous; lobes ovate; corolla 2.5-3 cm. long, tubular, strongly 2-lipped; 

 anthers and sterile stamen glabrous. Mountains: N.M. — s Utah — Ariz.; also 

 Mex. Submont. — Mont. Je-S. 



95. P. Torreyi Benth. Stem glabrous, 3-6 dm. high, glabrous; basal leaves 

 spatulate or oblanceolate; stem-leaves linear, glabrous; calyx glabrous, 4 mm. 

 long; lobes ovate, acute; corolla scarlet, 3-3.5 cm. long; sterile stamen glabrous. 

 Hills and mountain sides: X.M.— Colo.— e Utah— Ariz.; Mex. SubmonL—Mont. 



Jl-0. 



96. P. trichander (A. Gray) Rydb. Stem glabrous or slightly pubcrulcnt 

 and glaucous, 3-7 dm. high; basal leaves spatulate or oblanceolate, 4-8 cm. long; 

 stem-leaves hnear; calyx glabrous, 5-6 nmi. long; lobes ovate, more or less acum- 

 inate; corolla scarlet, about 3 cm. long; sterile stamen filiform, glabrous. Moun- 

 tains: Colo. — Utah. Submonl. — Mo7it. Je-JL 



97. P. Bridgesii A. Gray. Stem glabrous up to the inflorescence, or prui- 

 nose-puberulent; lower leaves spatulate or oblanceolate, the upper linear, mostly 

 glabrous; calyx 5 mm. long, viscid; lobes ovate or lanceolate, acuminate; corolla 

 scarlet, tubular-funneKorm, 2.5 cm. long, strongly bilabiate, not ventricose, 

 glabrous within; anthers strongly sagittate, glabrous; sterile stamen glabrous. 

 Rocky banks: Calif.— Ariz.— (? s Colo.)— Utah. SubmoJiL Jl-Au. 



8. PENTSTEMONOPSIS Rydb. 



Pererennial caulescent herbs. Leaves opposite, but mostly basal, oblance- 

 olate or spatulate, the stem-leaves bract-like. Flowers perfect, racemose. Calyx 

 5-cleft to near the base. Corolla 2-lipped; tube gibbous at the base on the 

 upper side. Stamens 4, nearly equal. Staminodium or sterile stamen glabrous. 

 Capsule ovoid, 2-valved. Seeds numerous, with an ariUiform reticulate coat. 



1. P. Tweedyi (Canby & Rose) Rydb. Stem 1-1.5 dm. high, glabrous; 

 leaves mostly basal, 2-3 cm. long, oblanceolate or spatulate, glabrous; stem- 

 leaves small and bract-hke; inflorescence secund; calyx 3 mm. long, glandular- 

 puberulent; lobes ovate, acute; corolla white or tinged with purple, 8-10 mm. 

 long tubular; anthers and sterile stamen glabrous. Penistemon Tweedyi Canby 

 & Rose. CMonophila Tweedyi Renders. Rich soil: Mont.— Ida. Subrnont,— 



9. CHIONOPHILA Benth. 



Perennial caulescent herbs. Leaves opposite, entire. Flowers perfect, race- 

 mose. Calyx funnelform, membranous, obscurely 5-Iobed. Corolla 2-lipped; 

 throat slightly dilate; upper lip erect, retuse; lower lip 3-Iobed, bearded m the 

 throat. Stamens 4, as in Pentstemon; staminodium small and short, glabrous. 

 Styles united; stigma minute. Capsule oblong, 2-valved, locuUcidal, the valves 

 2-parted. Seeds vnth. a loose ariUiform cellular-reticulate coat. 



1. C. Jamesii Benth. Stem 1 dm. high or less, glabrous or minutely puberu- 

 lenf basal leaves thick, entire, spatulate or oblanceolate, glabrous; stem-leaves 

 small, hnear; spike dense, secund, imbricate-bracteate; calyx tubular, 7-8 nun. 

 long; corolla about 12 mm. long, cream-colored, glabrous, tubular. Higher 

 mountains: Colo.— « Wyo. Subalp.—Alp. Jl-Au. 



10. MIMULUS L. Moxkey-flowt:r. 



Annual or perennial herbs. Leaves opposite, mostly toothed. Flowers 

 perfect, axillary, solitary, sometimes disposed in leafy racemes or pamcles^ 

 Calyx angled; tAbe longer than the unequal 5 lobes. CoroUa 2-hppeJ, yeUow 

 ^. Za - i.^h^ witl. two ridses withm on the lower side; upper lip spreadmg or re- 



