FERNALD. — MEXICAN SALVIAS. 533 



* * * * Leaves deltoid-ovate to orbicular, coriaceous, pubescent on the nerves 

 beneath, 4 cm. or less long: brandies slender, purplish, glabrous or glabrate. 



136. S. Regla, Cav. Ic. v. 33, t. 455 ; Benth. Lab. 288, & in DC. 

 I.e., 333; Lindl. Bot. Reg. xxvii. t. 14; Hemsl. I.e. 564; Briq. I.e. 

 S. deltoidea, Pers. Syn. i. 28. S. negla, Pers. 1. c. as syn. S. erenata, 

 Mart. & Gal. 1. c. 74 ; Benth. 1. c. 348 ; Hemsl. 1. c. 555 ; Briq. Ann. 

 Conserv. Jard. Bot. Geneve, ii. 157. — Central and southern Mexico. 

 Without locality (Coulter, no. 1099, Gregg, no. 340) : Coahuila, Lerios, 

 July, 1880 (Edw. Palmer, no. 1079) ; shaded gulches of limestone hills, 

 Carneros Pass, Sept. 1, 1889 (C. G. Pringle, no. 2384): Durango, 

 Santiago Papasquiaro, 1896 (Edw. Palmer, no. 404), Aug. 7, 1898 

 (E. W. Nelson, no. 4663) : San Luis Potosi, in woods, San Rafael, 

 1876 (Schaffner, no. 665) ; without locality, 1878 (Parry & Palmer, no. 

 741); San Luis Potosi, 1898 (Edw. Palmer, no. 726) : Agtjas Calien- 

 tes, by brooks (Hartweg, no. 165): Guanajuato, 1880 (A. Duges): 

 Oaxaca, near Coixtlahuaca, alt. 2,150 to 2,300 m., Nov. 12, 1894 

 (E. W. Nelson, no. 1917). 



C. Fulgentes, Benth. Shrubs, rarely herbs : calyx tubulose-campan- 

 ulate : corolla scarlet or crimson ; the tube straight, ventricose. 



* Freely branching shrubs (rarely herbs) with leaves 1 to 4 cm. long. 



f- Flowers axillary. 



137. S. disjuncta. Branches ferrugineous-pubescent: leaves cordate, 

 ovate, blunt or acuminate, 4 cm. or less long, rugose, crenulate, dark 

 green and hispid above, canescent and pilose beneath, on slender petioles : 

 verticels mostly 2-flowered, in the axils: pedicels 6 mm. or less in length, 

 usually twisted : calyx pilose on the nerves, in anthesis 1.2 to 1.5 cm. 

 long ; the tube twice exceeding the ovate acuminate lobes ; upper lip 

 entire : corolla 3 to 4 cm. long, minutely pilose, the ventricose tube 

 twice exceeding the calyx ; galea and lip subequal : style bearded. — 

 Chiapas, among rocks, Aug., Sept. (Ghiesbreght, nos. 76,753); near 

 San Cristobal, alt. 2,150 to 2,460 in., Sept. 18, 1895 (E. W. Nelson, no. 

 3166). A unique species. 



■*- i- Flowers in terminal racemes. 

 •w. Leaves ovate or broad oblong. 

 = Pubescence of branches and leaves simple. 



a. Calyx hispidulous on the nerves. 

 1. Leaves glabrous or at least glabrate beneath. 



138. S. Grahami, Benth. Bot. Reg. xvi. t. 1370, & in DC. 1. c. 335 ; 

 Lodd. Bot. Cab. xviii. t. 1798; Ortgies, Gartenfl. vii. t. 242; Hemsl. 



