FERNALD. — MEXICAN SALVIAS. 497 



b. Inflorescences paniculate ; all the verticels remote : bracts entire. 



20. S. cladodes. Stems glabrate below, sordid-pilose above : leaves 

 oblong to uarrow-ovate, 1 dm. or less long, 5 cm. or less wide, long- 

 aciimiuate at tip, cuneate at base, finely crenate-serrate, short-velutinous 

 or glabrate on both surfaces; petioles 2 cm. or less long: panicle with 

 slender ascending densely pilose branches 1 to 2 dm. long : bracts purp- 

 lish, broad-ovate or suborbicular, acuminate, more or less pilose, ciliate : 

 verticels 1 to 2.5 cm. apart, 3-9-flowered ; pedicels 4 to 7 mm. long, 

 spreading and nodding at tips : calyx purplish, in anthesis 8 to 9 mm. 

 long, broadened upward ; the tube glandular-pilose ; the glabrate limb 

 with ovate-acuminate lobes : corolla-tube iiacluded ; the lips one half 

 longer than the calyx. — Northwestern Mexico. Without locality (See- 

 mann) : Tepic, near Compostela, alt. 1,540 to 1,850 m., Apr. 7-8, 1897 

 (B. W. Nelson, no. 4171). 



= = Branches canescent with appressed strongly recurved hairs : only the lowest 

 verticels remote, the spiciform racemes 1 to 6 cm. long : bracts entire or un- 

 dulate, ciliate. 



21. S. saltuensis. Stems 1 to 1.5 m. high, bearing solitary ter- 

 minal racemes or many inflorescences of 1 to 3 verticels on short leafy 

 branchlets : leaves 6 cm. or less long, acute, finely crenate-serrate, dull 

 green and finely pubescent above, canescent-tomentulose beneath, on 

 slender petioles 1.5 cm. or less in length: bracts reniform, acuminate, 

 brownish or slightly rosy tinged, minutely pubescent on the nerves, 1 to 

 1.5 cm. long: calyx purple-tinged, appressed-hirsute, in anthesis 7 mm. 

 long, with broad blunt or short-acuminate lobes : corolla 1.3 cm. lons^, 

 blue, the pilose galea one half as long as the lip. — Morelos, in woods 

 of Sierra de Tepoxtlan, alt. 2,310 m., Feb. 8, 1899 {G. G. Pringle, no. 

 8035) : Jalisco, between San Sebastian and the summit of Mt. Bufa 

 de Mascota, alt. 1,380 to 2,300 m., March 20, 1897 {E. W. Nelsoii, no. 



4103). 



= = = Of close affinity to the preceding is 



22. S. BUPLEUROiDES, Presl in Benth. Lab. 271, a glabrous plant 

 with fascicled peduncles each bearing solitary many-flowered verticels. 

 Not identified. 



* * Leaves broad-ovate (narrow-ovate in .S'. nitidd) or rhombic-ovate, rounded 

 to the subcordate truncate or subcuneate base. 



t- Verticels remote (appaoximate in a form of S. kyptoides) : leaves 5 cm. or less 



in length. 



VOL. XXXV. — 32 



Leaves glabrous or only minutely puberulent. 

 = Leaves ovate-lanceolate, glossy. 



