496 PROCEEDINGS OP THE AMERICAN ACADEMY. 



++ -M- Leaves ovate or ovate-elliptic. 



15. S. PERMiXTA, Briq. 1. c. 129. — Described from Costa Rica. 



Not seen. 



t- -t- Leaves hastate at base : calyx glandular. 



16. S. COSTARICENSIS, Oersted ic Kjoeb. Vidensk. Meddel. (1853) 

 39; Hemsl. I. c. 555. — Costa Rica, Cartago, alt. 1,300 m,, Dec, 

 1887 {Juan J. Cooper in exsicc. J. D. Smith, no. 5895) ; San Jose, 

 Oct., 1892 {Ad, Tonduz, no. 7158). 



§ 2. Membranaceae, Benth. Flowers as in the Micranthae or a 

 little larger. Bracts suborbiculate, persistent, membranaceous, veiny, 

 equalling or exceeding the calyx, 



* Leaves narrow-ovate, cuneate or narrowed at base. 



■\- Calyx glabrous, subtruncate, with very short teeth : verticals approximate, 

 forming a spiciform raceme 4 to 8 cm. long: bracts and calyces blue or roseate. 



17. S. LOPHANTHA, Benth. in DC. 1. c. 301 ; Hemsl. 1. c. 560, in 

 part ; Briq. in Engl. & Prantl, 1. c. — Guatemala, Santa Rosa, alt. 

 1,230 m., Oct., 1892 {Heyde & Lux in exsicc. J. D. Smith, no. 4051). 



-I- H- Calyx pubescent. 



■w Calyx canescently short-pilose, not viscid : verticels remote, forming a raceme 



1 to 2.5 dm. long. 



18. S. MOCiNOi, Benth. Lab. 271, & in DC. 1. c. 300; Hemsl. 1. c. 

 561 ; Briq. 1. c. — Guatemala, Laguna de Ayarza, Dept. Jalapa, alt. 

 2,460 m., Sept., 1892 (Bei/de & Lux in exsicc. J. D. Smith, no. 4048). 



■w -M. Calyx viscid, short-pilose. 



= Branches pilose ; the hairs spreading. 



a. Racemes simple, or very slightly branched ; verticels tending to become remote; 

 the primary racemes becoming 0.8 to 2 dm. long : lowest bracts crenate-serrate. 



19. S. RUBiGiNOSA, Benth. 1. c. 301. Mature leaves pubescent 

 beneath only on the nerves. — Hemsl. 1. c. 565 ; Briq. 1. c. S. lophantha, 

 Donnell Smith, Enura. PI. Guat. ii. 62, not Benth. S. Mocinoi, Donnell 

 Smith, 1. c. iv. 125, 188, in part, not Benth. — Southern Mexico and 

 Central America. Guatemala, Pinula, alt. 1,350 m., Feb., 1890 (/. D. 

 Smith, no. 1911) ; Chiapas, Dept. Santa Rosa, alt. 1,080 m., Dec, 1892 

 (Heyde & Lux in exsicc. J. D. Smith, no. 4400). 



Var. hebephylla. Leaves velutinous beneath. — S. lophantha, 

 Hemsl. 1. c. 560, in part, not Benth. — Vera Cruz, region of Orizaba, 

 Oct. 11, 1866 (Bourgeau, no. 3215): Chiapas, among the mountains 

 (Ghieshreght, no. 745) : Guatemala, Volcan Fuego, Zacatepequez, alt. 

 1,540 m., March, 1892 (J. D. Smith, no. 2597). 



