496 PROCEEDINGS OF THE AMERICAN ACADEMY. 
++ ++ Leaves ovate or ovate-elliptic. 
15. S. permrxta, Briq. 1. c. 129. — Described from Costa Rica. 
Not seen. 
+ + Leaves hastate at base: calyx glandular. 
16. S. cosraricensis, Oersted in Kjoeb. Vidensk. Meddel. (1853) 
39; Hemsl. 1. ¢. 555.— Costa Rica, Cartago, alt. 1,300 m., Dec., 
1887 (Juan J. Cooper in exsicc. J. D. Smith, no. 5895); San José, 
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: verticels approximate, 
forming a spiciform raceme 4 to 8 cm. long: bracts and calyces blue or roseate. 
17. S. topHantua, Benth. in DC. 1. c. 301; Hemsl. 1. c. 560, in 
part ; Brig. in Engl. & Prantl, 1. c. — Guatemaxa, Santa Rosa, alt. 
1,230 m., Oct., 1892 (Heyde & Luz in exsicc. J. D. Smith, no. 4051). 
+ + Calyx pubescent. 
++ Calyx canescently short-pilose, not viscid: verticels remote, forming a raceme 
1 to 2.5 dm. long. 
18. S. mocrnot, Benth. Lab. 271, & in DC. 1. c. 300; Hemsl. 1. ¢. 
561; Brig. 1.c. — Guatemaa, Laguna de Ayarza, Dept. Jalapa, alt. 
2,460 m., Sept., 1892 (Heyde & Lux in exsicc. J. D, Smith, no. 4048). 
++ ++ 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. rusrarnosa, Benth. 1. c. 301. Mature leaves pubescent 
beneath only on the nerves. — Hemsl. I. c. 565; Briq. 1. c. S. lophantha, 
Donnell Smith, Enum. Pl. Guat. ii. 62, not Benth. S, Mocinoi, Donnell 
Smith, |. c. iv. 125, 188, in part, not Benth. — Southern Mexico and 
Central America. GuaTeMata, Pinula, alt. 1,350 m., Feb., 1890 (J. D. 
Sinith, no. 1911); Chiapas, Dept. Santa Rosa, alt. 1,080 m., Dec., 1892 
(Heyde & Luz in exsicc. J. D. Smith, no, 4400). 
Var. hebephylla. Leaves velutinous beneath. — S. Jophantha, 
Hemsl. 1. c. 560, in part, not Benth. — Vera Cruz, region of Orizaba, 
Oct. 11, 1866 (Bourgeau, no. 8215): Curapas, among the mountains 
(Ghiesbreght, no. 745): Guaremaxa, Volean Fuego, Zacatepéquez, alt. 
1,540 m., March, 1892 (J. D. Smith, no. 2597). 
