49G PROCEEDINGS OF THE AMERICAN ACADEMY. 



— — Leaves ovate or ovate-elliptic. 



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



\ - n. 



*- +- Leaves hastate at base: calyx glandular. 



1G. S. cosTARiCENsiB, Oersted in Kjoeb. Vldensk, Meddel. (1858) 

 Hemsl. 1. c. 555. — Costa Rica, Cartago, alt. l,3<to m.. I> 

 Juan ./. Cooper in exsicc. .1. D. Smith, no. 589.") i : San Ji 

 Oct., 1892 i.!./. Tonduz, no. 71.38). 



<; 2. Membrana< bab, Benth. Flowers as in tin- Micranthat or a 

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

 equalling or exceeding the calyx. 



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



■>- Calyx glabrous, Buhtruncate, with very short teeth: verticals approximate. 

 forming a Bpiciform raceme 1 to 8 cm. long: bracts and calyces blue or roseate. 



17. S. lophantha, Benth. in DC. 1. c. 301; Bemsl. L c. 560, in 



part; Briq. ill Engl, & l'rantl, 1. c. — GUATEMALA, Santa Rosa, alt. 



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



*- ■*- Calyx pubescent. 



*+ Calyx canescently short-pilose, not viscid : verticels remote, forming a raceme 



1 to 2.5 dm. long. 



18. S. M<>< i\oi, Benth. Lab. 271. & in DC. 1. c. 300; Ilemsl. 1. c. 

 561; Briq. I.e. — Guatemala, Laguna de Ayarza, Dept Jalapa, ;tlt. 



2. 1 GO m., Sept., 1892 {Heyde k. Lux in exsicc. J. D. Smith, no. 4048). 



++ +* Calyx viscid, short-pilose. 



= Branches pilose ; the hairs spreading. 



i: icemi - 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, Enum. PI. Gnat. ii. G2, not Benth. S. Mbcinoi, Dounell 

 Smith, 1. c. iv. 12."), is*, in part, not Benth. — Southern Mexico ami 

 Central America. Guatemala, Pinula, alt. 1,850 m., Feb., 1890 (./. Jh 

 Smith, no. 1011) ; Chiapas, Dept. Santa Rosa, alt. 1.080 m., Dec, 1892' 

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



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

 Hemsl. 1. c. 560, in part, not Benth. — VERA CRUZ, region of Orizaba. 

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

 (Gkiesbreght, no. 745): Guatemala, Yolcan Fuego, Zacatepecpiez. alt. 

 1,540 in., March, 1892 (/. D. Smith, no. 2597). 



