FERNALD. — MEXICAN SALVIAS. 523 



Var. pinguifolia. Leaves large, as in the last, scarcely rugose, very 

 pale beneath with a close very minute indumentum, not tomentulose, 

 greasy to the touch : racemes all many-flowered. — New Mexico, 

 1851-52 (C. Wright, no. 1524) : Arizona, San Francisco Mts., back 

 of Clifton, Sept. 3, 1880 ( E. L. Greene, no. 300). 



= = Leaves very pale on both surfaces, thick, hardly rugose, greasy to the 



touch, irregularly crenate. 



101. S. platycheila, Gray, Proc. Am. Acad. viii. 292, & Syn. Fl. 

 I.e. — Lower California, Carmen Island, 1870, Nov. 1890 (Ediv. 

 Palmer, nos. 7, 878). 



* * Calyx densely woolly : verticels in short spiciform racemes : lip of corolla 

 distinctly exceeding the galea (otherwise approaching the Erianthae). 



102. S. confinis. Branches canescent with fine stellate pubescence, 

 leafy to the inflorescence : leaves oblong, blunt or acutish, rounded-trun- 

 cate or subcuneate at base, very short-petioled, thick and rugulose 

 especially along the closely crenulate margin, closely canescent on both 

 surfaces, or ferrugineous-tinged beneath, 1.5 to 4.5 cm. long, 0.5 to 2 cm. 

 wide : spiciform racemes simple or slightly paniculate, 1 to 4 cm. long, 

 lowest verticels slightly remote: bracts large, broad-ovate, acuminate, 

 somewhat persistent, 0.5 to 1 cm. long, stellate-tomeutose : calyx dark 

 blue, mostly hidden by dense white-lanate pubescence: corolla blue, 

 scarcely 1 cm. long. — S. spicata, Gray, 1. c. 461, not R. & S. — Southern 

 Arizona and adjacent Mexico. Arizona, mountain pass near Fort 

 Huachuca, 1882 (Lemmon, no. 2861) : Sonora, Fronteras, alt. 1,400 

 m., Sept. 25, 1890 (C. V. Hartman, no. 43). 



F. Scorodoniae, Benth. Shrubs with ovate (in S. thyrsiflora ovate- 

 lanceolate) rugose leaves generally cordate, rarely cuneate, at base. 



* Leaves white-tomentose beneath with simple hairs. 



■i- Leaves very rough-rugose above, mostly broad-ovate (except in variety of the 

 first species) with obtuse or blunt tips. 



•*-+ Pedicels very short, at most 3 mm. long : racemes rather dense, often branch- 

 ing : calyx somewhat cuneate-campanulate, in anthesis 4 to 5 mm. long, with 

 short flaring obtuse lobes. 



- = Pubescence of calyx glandular-villous. 



103. S. scorodoniaefolia, Poir. Leaves ovate, subcordate. — 

 Suppl. v. 46: Benth. I.e. 316; Hemsl. I.e. 565; Briq. I.e. S. 

 melissodora, Lag. Gen. & Spec. Nov. 2. S. hirta, Schranck, Syll. PI. 

 Soc. Ratisb. ii. 60 ? according to Benth. S. scorodonia, Benth. Lab. 

 264. — Central and southern Mexico. San Luis Potosi, alt. 1,850 



