FERNALD. — MEXICAN SALVIAS. 493 



** -M- Bracts persistent. 

 = Leaves villous or long-pilose beneath. 



a. Leaves canescent on both faces, I to 3 cm. long, on slender naked petioles : calyx- 



lobes acutish. 



6. S. SEROTINA, L. Mant. 25 ; Jacq. Ic. Rar. i. 1, t. 3 ; Benth. 1. c; 

 Hemsl. 1. c. iv. 107 ; Briq. in Engl. & Prantl, 1. c. .S'. dominica, Vahl. 

 Euum. i. 233; Swartz, Obs. 18, t. 1. fig. 1, not L, — Florida and the 

 West Indies. Reported from Cozumel Island, Yucatan. 



b. Leaves ferrugineous-villous beneath, 1 dm. or less long, cuneate to winged 



petioles : calyx-lobes setaceous-mucronate. 



7. S. PRivoiDES, Benth. Bot. Sulph. 150, & in DC. I.e. 297 ; Hemsl. 

 1. c. ii. 563 ; Briq. 1. c. — Southern Mexico and Central America. 

 Jalisco, Guadalajara, Sept., 1886 {Edio. Palmer, no, 498) ; cool shady- 

 places, barranca near Guadalajara, Nov. 5, 1888 (C. G. Pringle, no. 

 1727) ; San Sebastian, alt. 1,185 to 1,540 m., March 16, 1897 {E. W. Nel- 

 son, no. 4072) : Morelos, Cuernavaca, Nov. 14, 1865 {Bourgeau, no. 

 1239) : Oaxaca, Jayacatlan, alt. 1,320 m., Sept. 10, 1894 (Z. C 

 Smith, no. 174). 



= = Leaves short-pilose or glabrate beneath. 



a. Inflorescence an oblong raceme, 4 to 7 cm. long, not secund : calyx tubulose- 



campanulate, in fruit 7 mm. long. 



8. S. micrantha, Vahl. Enum. i. 235 ; Benth. 1. c. 298 ; Hemsl. 



1. c. 561 ; Briq. 1. c. S. bulla9a, Ort. Dec. ix. 109 ; Jacq. Hort. 



Schoenb. iv. 41, t. 48L S. serotina, Vahl. 1. c. 232, not L. S. occi- 



dentalis, Millsp. 1. c. in part, not Swartz. — Tropical America, in Mexico 



known only from the Yucatan coast. Yucatan, streets of Dolores, 



Island of Mugeres, Jan. 1, 1895 (^MiUspaugh, no. 18) ; without locality, 



1896 {Porjirio Valdez, no. 31). S. orhicidaris, Benth. Bot. Sulph. 



151, from Panama seems to differ from the species only in its fruticose 



base. 



b. Inflorescence secund, loosely-flowered. 



1. Calyx-tube bearing long straight spreading setiform glandless hairs mixed with 

 the sliorter gland-tipped ones ; upper lip entire : racemes simple, elongated, be- 

 coming 1 to 1.5 dm. long. 



9. S. setosa. Annual, 2 to 5 dm. high ; the stems slightly appressed- 

 retrorse-setulose on the angles : leaves ovate or rhombic-ovate, thin, 

 acute or blunt at tip, cuneate at base to winged petioles, crenate-serrate, 

 8 cm. or less in length, sparingly appressed-setulose above, paler and 

 minutely puberulent or glabrate beneath : racemes stiff ; verticels mostly 

 2-flowered, all becoming remote, the lowest 1.5 to 2.5 cm. apart: bracts 



