548 PROCEEDINGS OF THE AMERICAN ACADEMY. 



long; the gal< i ex ding the drooping Up: stamens and sty! ted, 



glabrous. — Morblos, mountain Bide above Cuernavaca, alt 707 m., 

 5, L899 (C! G. Pringle, no. 80i 



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



1-7. S. michoacana. Shrob 1.5 to •"> m. high, the branches puber- 

 nlent: leaves 0.3 to 1.2 dm. long, 1 to G cm. broad, long-acuminate, 

 minutely pilose or glabrate above canescent or glabrate beneath, Blender- 

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

 in the axils of the upper leaves: calyx in an thesis I mm. long, others 

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

 ceeding the lip: Btamens and style ezserted, glabrous. — Micboai w. 

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

 G. Pringle, nos. 3600, 3946) : Jalisco, between San ian and the 



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

 (R W. Nelson, nos. 4102, 4104). 



O O Leaves velutinous or lanate beneath. 



-f Leaves serrate: calyx setulose-hispid or glabrate, with short broad inucron- 



ate loin (8. 



188. S. nervata, Mart. & Gal. I.e. 77; Benth. I.e. 330; Hemsl. 

 I.e. 501 ; Briq. I.e. S. monochila, Donnell Smith, Bot. Gaz. xxiii. 13. — 

 Southern Mexico and adjacent Central America. GUATEMALA, Tondos 

 Santos, Dept. Iluehuetenango, alt. 3,080 m., Dec. 26, 1895 (E. W. Nel- 

 son, no. 3035). Originally from Oaxaca. Capt. Smith distinguishes 

 his S. monochila from S. nervata by its pubescent calyx and Bcarlet cor- 

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

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

 two apart. 



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



189. S. Karwinskii, Benth. Lab. 725, & in DC. I.e. 845; Hemsl. 



I.e. 558; Briq. I.e. — Described from " Mexico." Not seen. 



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



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

 ."12, described from Guatemala and said to be near 8. tubifera but 

 witli 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 



