780 SCROPHULARIACEAE 



few-toothed, about 1 cm. long; calyx narrowly campanulate, 2-3 mm. long, in 

 fruit 6-8 mm. long; teeth triangular; corolla pale yellow, tubular, 4-5 mm. long; 

 lobes rounded. Wet places: Wash. Ida. Ore. Son. Submont. My-Je. 



15. M. primuloides Benth. Perennial by filiform stolons; stems very short, 

 with crowded, elliptic, soft-villous or in age glabrate, dentate leaves 1-2 cm. long; 

 peduncles 5-10 cm. long, erect; calyx 5-7 mm. long, angled, oblong-cylindric ; 

 lobes ovate, acute, 1 mm. long; corolla yellow, 15-20 mm. long, with a narrow 

 tube. Wet soil: Calif. Nev. Ida. Wash. Submont, Mont. Je-Au. 



16. M. pilosus Benth. Stem 1-4 dm. high, softly villous; leaves lanceolate 

 or oblong-lanceolate, sessile, entire, villous, obscurely 3-neryed at the base; calyx- 

 teeth ovate or oblong, the upper slightly longer; corolla bright, slightly 2-lipped, 

 nearly 1 cm. long; capsule oblong, ovate. Gravelly soil along streams: Ida. 

 Ariz. Calif. Ore. Son. Jl. 



17. M. Suksdorfii A. Gray. Stem 2-10 cm. high, branched at the base, 

 viscid-puberulent, reddish; leaves sessile, oblong or |; linear, 1-2 cm. long, thick, 

 reddish; calyx 3 mm. long, in fruit 5 mm. long; teeth short; corolla 4-6 mm. long, 

 yellow; lobes obcordate. Wet places: Colo. Ariz. Calif. B.C. Submont. 



18. M. gratioloides Rydb. Stem branched, more or less reddish, generally 

 less than 1 dm. high, somewhat viscid-puberulent above; leaves oblong-lanceo- 

 olate, sessile, about 1 cm. long, sinuate-dentate; calyx 7-8 mm. long, cylindraceous 

 in fruit; lobes short, broadly ovate, acute; corolla only slightly bilabiate. Hill- 

 sides: Colo. Ariz. Submont. My-Je. 



19. M. rubellus A. Gray. Stem viscid-puberulent, 2-10 cm. long; leaves 

 sessile, lanceolate, 1-3 cm. long, entire or denticulate, usually reddish; calyx 

 4-5 mm. long, tubular; teeth rounded-ovate; corolla rose-colored or purple- 

 tinged, 7-8 mm. long; lower lip entire. Cliffs and sand: s Utah N.M. Calif. 

 Wash. Son. Ap-Jl. 



20. M. Breweri (Greene) Coville. Stem 5-10 cm. high, glandular-villous ; 

 leaves linear, entire, 2-3 cm. long, sessile; calyx glandular-villous, 4 mm. long; 

 teeth short-triangular; corolla light purple, 8-10 mm. long; lobes subequal, 

 emarginate. Damp rocky places: Calif. B.C. Mont. Je-Jl. 



11. EUNANUS Benth. 



Low annual herbs. Leaves opposite, usually dentate. Flowers perfect, on 

 solitary peduncles in the upper axils. Calyx tubular, 5-angled and 5-toothed. 

 Corolla more or less bilabiate, salver-shaped; lobes more or less spreading. 

 Stamens 4, didynamous. Styles glandular above, united up to the peltate- 

 funnelform stigma. Capsule shorter than the calyx, loculicidal, with the pla- 

 centae separating in the middle and remaining attached to the valves. Seeds 

 numerous, often muricate. 



Calyx hardly at all oblique; teeth almost equal in length; stem glandular-pubescent. 

 Calyx-lobes lanceolate-subulate; upper stem-leaves somewhat acuminate; corolla 

 more than 2 cm. long. 1. E. Bigelovii. 



oalyx-lobes oblong-lanceolate, merely acute; leaves obtuse or acute; corolla 1.5-2 



cm. long. 2. E. Tolmiei. 



Calgx decidedly oblique; upper tooth twice as long as the lower; plant glandular-puberu- 



1. E. Bigelovii A. Gray. Stem glandular-pilose, 5-20 cm. high, branched; 

 leaves oblong or elliptic, or the upper ovate; calyx 10-12 mm. long, glandular; 

 corolla salverform, about 2 cm. long or more, 1-2 cm. broad, crimson, with a yellow 

 center. Sandy and stony places: Wash. s Calif. s Utah. L. Son. My-S. 

 . 2. E. Tolmiei Benth. Stem 2-15 cm. high, glandular-pubescent throughout, 

 simple or branched from the base; leaves oblong-ovate to oblanceolate, 0.5-2 

 cm. long, 3-nerved, entire or somewhat toothed; calyx 6-10 mm. long; corolla 

 pale purple or rarely yellowish, often spotted, narrowly funnelform. M . divicola 

 Ureenm. (?) Mimulus nanus H. & A. M. Tolmiei Rydb. E. divicola (Greenm.) 

 Heller. Sandy places: Mont. Wyo. Ore Je-Au 



