54:8 PROCEEDINGS OF THE AMERICAN ACADEMY. 



long ; the galea exceeding the drooping lip : stamens and style exserted, 

 glabrous. — Morelos, mountain side above Cuernavaca, alt. 707 m., 

 Feb. 5, 1899 {G. G. Pvingle, no. 8039). 



+ + Leaves ovate-lanceolate ; corolla flesh-colored. 



187. S. michoacana. Shrub 1.5 to 3 m. high, the branches puber- 

 ulent: leaves 0.3 to 1.2 dm. long, 1 to 6 cm. broad, long-acuminate, 

 minutely jjilose or glabrate above, canescent or glabrate beneath, slender- 

 petioled : racemes dense, 1.5 dm. or less long; the lower verticels often 

 in the axils of the upper leaves : calyx in anthesis 4 mm. long, otherwise 

 as in the last: corolla villous, slender, 2 to 2.5 cm. long; the galea ex- 

 ceeding the lip : stamens and style exserted, glabrous. — Michoacan, 

 dry wooded hills near Patzcuaro, Nov. 12, 1890, and Nov. 24, 1891 (C. 

 G. Pringle, nos. 3600, 3946) : Jalisco, between San Seb?.stian and the 

 summit of Mt. Bufa de Mascota, alt. 1,380 to 2,150 m., March 20, 1897 

 {E. W. Nelson, nos. 4102, 4104). 



O O Leaves velutinous or lanate beneath. 



+ Leaves serrate : calyx setulose-hispid or glabrate, with short broad raucron- 



ate lobes. 



188. S. NERVATA, Mart. & Gal. 1. c. 77 ; Benth. 1. c. 339 ; Hemsl. 

 I.e. 561 ; Briq. I.e. S. monochila, Donnell Smith, Bot. Gaz. xxiii. 13. — 

 Southern Mexico and adjacent Central America. Guatemala, Tondos 

 Santos, Dept. Huehuetenango, alt. 3,080 m., Dec. 26, 1895 (K W. Nel- 

 son, no. 3635). Originally from Oaxaca. Capt. Smith distinguishes 

 his S. monochila from S. nervnta by its pubescent calyx and scarlet cor- 

 olla. In the specimen of Nelson's no. 3635 at hand, however, the corolla 

 is distinctly purple, not scarlet, and there seems little else to keep the 

 two apart. 



+ + Leaves crenate : calyx glandular-villous ; the lobes long-acuminate. 



189. S. Karwinskii, Benth. Lab. 725, & in DC. I.e. 345; Ilemsl. 

 1. c. 558 ; Briq. 1. c. — Described from " Mexico." Not seen. 



O O O Of close affinity to the preceding but not identified is 



190. S. EXCELSA, Benth. Bot. Reg. xxvii. Misc. 90, & in DC. I.e. 

 342, described from Guatemala and said to be near S. tubifera but 

 with the 2-4-flowered verticels in an elongated loose raceme. 



2. Pubescence stellate. 



191. S. Rosei. Shrub with dark gray bark ; branches canescent with 

 minute stellate pubescence: leaves ovate, appressed-serrate, blunt or 



