544 PROCEEDINGS OF THE AMERICAN ACADEMY, 
++ ++ Leaves pubescent beneath. 
= Stem glandular-setulose : leaves setulose-hispid above, coarsely and irregularly 
serrate: calyx setulose-hispid: corolla barely 2 cm. long. 
172. S. piserratTa, Mart. & Gal. 1. c. 66; Benth. 1. c. 335; Hemsl. 
loc. 553; Brig. l.c.—Cutapas (Ghiesbreght, no. 763). Described 
from Mt. Orizaba. 
= = Stem villous above, glabrate below: leaves minutely pubescent above, finely 
and regularly crenate-serrate : calyx pilose: corolla 2.5 to 3 cm. long. 
173. S. cyanea, Benth. Lab. 296, & in DC. 1. c. 336; Hemsl. le. 
555. S. eyaniflora, Dietr. in Otto & Dietr. l.c. i. 301. S. eyantfera, 
Otto in Benth. l.c. as syn.— Central Mexico. Mexico, Désierto 
Viejo, Sept. 7, 1865 (Bourgeau, no. 837). 
EL. Tubiflorae, Benth. Shrubs (rarely herbs) with tubulose-campanu- 
late calyx: corolla scarlet crimson flesh-colored or purple, rarely blue- 
violet ; the tube straight or curved, cylindric or ampliate (not ventricose) 
above. 
* Leaves cuneate or narrowed at base. (Forms of S. cinnabarina, elegans, and 
: nervata may be looked for here.) 
+ Leaves pubescent beneath, corolla rose-purple. 
++ Leaves softly canescent-tomentose or cinereous-pilose beneath. 
= Calyx minutely pilose, in anthesis 9 to 10 mm. long; the tube once and 4 half 
exceeding the ovate-lanceolate acuminate lobes: corolla 2.5 to 4 cm. long. 
174, S.curvirtora, Benth. Lab. 284, & in DC. 1.c. 340; Hemsl. 1.¢. 
555; Briq. l.c. — Hrareo, Zimapan (Coulter, nos. 1088, 1089, 1090): 
Micuoacan, Tlalpujahua (Graham). 
= = Calyx hispidulous: corolla 1.5 to 1.8 cm. long. 
175. S. chiapensis. Fruticose (?), the tall simple branches puber- 
ulent below, pilose-hispid above: leaves thick, ovate or oblong-ovales 
appressed-serrate, acuminate at tip, subcuneate at base, 5 to 12 em. long, 
green and minutely pilose above, canescent and subvelutinous beneath, on 
puberulent petioles 3.5 cm. or less in length: raceme 3 to 4 dm. oF ee 
long ; the verticels 6-10-flowered, all becoming remote, the lowest 3 to 
4 cm. apart: bracts oblong-ovate, acuminate, short-pubescent, 1.9 cm. oF 
less in length, caducous: pedicels becoming 5 mm. long: calyx ™ 
anthesis 7 to 8 mm. long; the tube nearly twice exceeding the ovate- 
lanceolote acuminate lobes: corolla-tube about twice exceeding the caly*; 
the densely villous galea about equalling the lip: style bearded. — 
Curapas, without locality (Ghiesbreght, nos. 57, 761); near San Cris- 
tobal, alt. 2,150 to 2,460 m., Sept. 18, 1895 (Z. W. Nelson, no. 3201)- 
Ed 
