732 BORAGINACEAE 



Calyx villous all over. 



Leaves oblong or oblanceolate, glabrous beneath; inflorescence open. 



46. M. brevistyla. 

 Leaves linear, densely hairy on both sides; inflorescence narrow. 



47. M. cana. 



VIII. INCONGRUENTES. 



One species. 48. M. incongruens. 



1. M. subpubescens Rydb. Stem simple, stout, 6-10 dm. high, glabrous 

 throughout; leaf -blades broadly lanceolate, 5-10 cm. long, tapering at both ends, 

 thin, glabrous cr nearly so above, short-pubescent beneath, and ciliate on the 

 margins; pedicels slightly strigose; calyx-lobes ciliate on the margins, 2-2.5 mm. 

 long; corolla about 12 mm. long, the tube only slightly longer than the limb and 

 throat. Along streams: Mont. Mont. Je-Jl. 



2. M. pallida Rydb. Stem glabrous, very pale, 5-8 dm. high, leafy; lower 

 leaves oblanceolate, the upper narrow-lanceolate, 5-8 cm. long, glabrous or 

 minutely muriculate; calyx-lobes about 1 mm. long, obtuse, ciliate on the margins ; 

 corolla about 1 cm. long. River banks: Mont. Submont. Mont. Je-Jl. 



3. M. ciliata (Torr.) Don. Stem 3-5 dm. high, pale and somewhat bluish 

 below; lower leaves petioled; blades oval or elliptic-ovate, 5-9 cm. long, obtuse 

 or acutish, sometimes finely pustulate; upper leaves lanceolate or ovate-lance- 

 olate and subsessile; pedicels and calyx more or less pustulate; calyx-lobes in 

 fruit nearly 2 mm. long; corolla blue, 12-15 cm. long. M. picta Rydb. M. poly- 

 phylla Greene. M. punctata Greene. Along streams: Wyo. Colo. Utah 

 Nev. Submont. Mont. Je-Au. 



4. M. platensis Rydb. Stem 3-4 dm. high, simple, pale; basal leaf -blades 

 ovate or subcordate; stem-leaves lanceolate, pale and somewhat glaucous beneath, 

 5-6 cm. long, glabrous on both sides or somewhat pustulate beneath, ciliate on 

 the margins; pedicels pustulate-muricate, about 12 mm. long; tube shorter than 

 the throat and limb. Along streams: Colo. Mont. Subcdp. Je. 



5. M. eplicata F. Macbr. Stem 2-3 dm. high, pubescent; leaves sub villous 

 on both sides; basal leaves 1.5-2.5 dm. long; blades ovate; stem-leaves oblong 

 or oblong-lanceolate; calyx villous; lobes lanceolate, 4-5 mm. long; corolla-tube 

 10 mm. long, not plicate; throat and limb 4-5 mm. long. Open moist slopes: 

 Ida. Submont. My. 



6. M. oblongifolia (Nutt.) Don. Stems 1-2 dm. high, glabrous; basal 

 leaves oblanceolate or spatulate; stem-leaves linear or linear-oblong, 2-5 cm. 

 long, glabrous or nearly so below, strigillose above; calyx-lobes 4 mm. long; 

 corolla-tube 10-14 mm. long; limb* 4.5-5 mm. long. Hills: Wash. Nev. Mont. 

 B.C. Submont. Je-Jl. 



7. M. longiflora Greene. Stem 1-2 dm. high, glabrous; lowest leaves peti- 

 oled; blades elliptic-spatulate or obovate; cauline leaves sessile, obovate or oval, 

 3-6 cm. long; calyx-lobes lanceolate, 4-5 mm. long; tube of corolla 12-15 mm. 

 long; limb 7-8 mm. Mountains: Mont. Ida. Wash. B.C. Submont. 

 Mont. My-Jl. 



8. M. pulchella Piper. Stems erect, 1-2 cm. high; lower leaves obovate, 

 petioled, 2-6 cm. long, the upper ovate and sessile; calyx-lobes broadly lanceo- 

 late, ciliolate-denticulate on the margins; corolla-tube about 15 mm. long; limb 

 6 mm. long. Slopes: Ida. Submont. Mr-Je. 



9. M. nutans Howell. Stem 1-2 dm. high, glabrous; lower leaves oblance- 

 olate or spatulate, the upper oblong or lanceolate, 3-6 cm. long, glabrous below, 

 pustulate-papillose above; pedicels short, glabrous; calyx-lobes 4 mm. long, 

 obscurely ciliolate; corolla-tube about 1 cm. long; limb 5 mm. long. Hills: Wash. 

 Ore. Nev. Mont. Submont. Ap-My. 



10. M. tubiflora Rydb. Stem 2-3 dm. high, glabrous; basal leaves ob- 

 lanceolate, short-petioled; stem-leaves sessile, lanceolate to ovate, about 4 cm. 

 long, glabrous beneath, pustulate above, ciliolate on the margins; calyx slightly 



* In this species as in many of the following the throat is included with the limb, 

 even if not specially mentioned. 



