FIGWORT FAMILY 779 



yellow, funnelform, 15-18 mm. long. Mountains: Ida.— (? Colo.)— Calif.— B.C. 

 Submont, — Mo7iL Ap-Je. 



4. M. thermalis A. Nels. Stem erect, 3-15 cm. high, glabrous below, 

 puberulent above; leaf-blades nearly orbicular, obscurely dentate, 3-9 mm. long, 

 the upper sessile, the lower short-petioled; calyx 5 nmi. long, in fruit 1 cm. long; 

 teeth broadly triangular-ovate, acute; corolla about 15 mm. long, funnelform, 



yellow, short-pubescent on the lower lip. Geyser formations: Yellowstone Park, 

 Wyo. Mont Au. 



5. M. Hallii Greene. Stem angled, glabrous, 1-3 dm. high; leaves broadlv 

 ovate, sparingly dentate or entire, 1-2 cm. long, the lower petioled, glabrous; 

 calyx 5 mm. long, in fruit nearly 1 cm. and subglobose-inflated, with a few spots; 

 teeth triangular, acute, the upper tooth about twice as long as the others; corolla 

 5-8 mm. long, light yellow. Wet places in the mountains: Colo. — (? Mont.) — 

 (? Ida.). Submont, My-Jl. 



6. M. microphyllus Benth. Stem 1-2, rarely 3 dm. high, simple, erect, 

 glabrous; leaves nearly all petioled; blades orbicular, sinuate-dentate, at the base 

 cordate and more coarsely toothed, 1-2 cm. broad; those of the inflorescence 

 similar, subsessile and usually villous-puberulent; calyx 8-10 mm. long; corolla 

 yellow, about 1 cm. long; tube scarcely exserted from the calyx. Wet places: 

 Wash. — Ore. — Ida. Submont, Ap-Je. 



7. M. Geyeri Torr. Perennial; stem 1-4 dm. long, glabrous; leaves rounded 

 or reniform, denticulate to entire, 8-25 mm. long, all except the uppermost -with 

 margined petioles; calyx glabrous or slightly puberulent, 5-8 mm. long; upper 

 lobe broadly ovate, twice as long as the very short rounded other lobes; corolla 

 yellow, 8-12 mm. long. M. Jamesii T. & G. In water: Mich.— 111.— Colo.~ 

 Wyo. — N. D. Plain— Suhmont. Je-Au. 



8. M. Lewisii Pursh. Stem 3-10 dm. high, more or less viscid-pilose; leaves 

 lanceolate, oblong or ovate, dentate, 4-8 cm. long, viscid-pubescent; catyx glandu- 

 lar-pubescent, about 2 cm. long; teeth broadly-triangular, subulate-acmninate; 

 corolla crimson, rose-red, or paler, 3.5-5 cm. long,^ bearded within. Along 

 streams : Minn.— Colo.— Ariz. — Calif .—B.C. Plain— Mont. Je-Au. 



9. P. EastwoodiaeRydb. Perennial, witharootstock and stolons; stems 1-2 

 dm. high, viscid-villous; leaves sessile, coarsely dentate, viscid, 3-5-ribbed, 2-5 

 cm. long, the lower cuneate, the upper obovate or oblanceolate ; stolons 1-3 cm. 

 long, rooting at the end; calyx narrowly funnelform; lobes lanceolate, subequal; 

 corolla crimson, 3—4 cm. long; anthers sparingly bearded. In crevices of over- 

 hanging cliffs: se Utah. Son, Au. 



10. M. moschatus Dougl. Stem 1-4 dm,, decumbent or creeping; leaf- 

 blades petioled, ovate or oblong-ovate, villous and viscid; calyx prismatic, 7-10 

 mm. long; teeth broadly lanceolate, acuminate, somewhat unequal; corolla 15-20 

 mm. long, yellow, funnelform. Musk Flower. Wet places; Ont. — Colo. — 

 Calif. — B.C. Submont, — Mont. My-Au. 



11. M. peduncularis Dougl. Stem erect, viscid-puberulent, 1-6 dm. high; 

 leaf-blades 0.5-2 cm. long, ovate, dentate; peduncles slender, surpassing the 

 leaves; calyx nearly glabrous, 6 mm. long; teeth short, ovate; corolla funne&orm, 

 yellow, 1.5-2 cm. long. Sandy banks: Wash. — Ida.— Ore. Son, My-O. 



12. M. floribundus Dougl. Stem 1-3 dm. high, erect or diffuse, villous 

 and viscid; leaf -blades ovate or subcordate, viscid-villous; cal^-x short-campanu- 

 late, 4-5 mm. long; teeth triangular; corolla yellow, 6-10 mm. long, tubular- 

 fuimelform. Wet places, sandy soil: Mont. — Colo.^Ariz. — Cahf.~B.C. Sub- 

 mont, My-Au. 



13. M. membranaceus A. Nels. Stem weak, diffusely spreading, glabrous 

 or slightly viscid, 2-20 cm. high; leaf-blades very thin, elliptic to ovate, entire 

 or denticulate; csilyx obscurely viscid-puberulent, 2-3 mm. long; teeth triangular- 

 lanceolate; corolla yellow, nearly tubular, 5-8 mm, long. Wet shaded places 

 in the mountains: Wyo. — Utah. Mont. Jl-Au. 



14. M, breviflorus Piper. Stem slender, erect, 4r-20 cm. high, minutely 

 puberulent; leaves short-petioled; blades lanceolate to ovate, acute, minutely 



