5 ! I PROCEEDINGS OF Tin: AMERICAN ACADEMY, 



— -* Leaves pubescent beneath. 



= Stem gland ular-setulose : leaves Betulose-bispid above, coarsely and Irregularly 

 Berrate: calyx setulose-hispid : corolla barely - cm. long. 



17i'. S. biserrata, Mart. & Gal. I.e. 66; Benth. I.e. 335 ; Bemsl. 

 I.e. 553; Briq. I.e. — Chiapas (Ghiesbreghtj no. 763). Described 

 from Bit. Orizaba, 



= = Stem villous above, glabrate below : leaves minutely pubescent above, finely 

 and regularly crenate-serrate : calyx pilose: corolla 2.6 to 8 cm. li 



17.;. S. ctanea, Benth. Lab. 296, ov in DC. I.e. 336; Hemsl. I.e. 

 ."> <■>. S. cyaniflora, Dietr. in Otto & Dietr. I.e. i. 301. S. cyanifera, 



Otto in Benth. I.e. ;is >yn. — Central Mexico. MEXICO, De.sierto 

 Viejv), Sept. 7, 1865 (JJoitri/euu, no. N37). 



E. Tubiflorae, Benth. Shrubs (rarely herbs) with tubulose-cainpanu- 

 late calyx : corolla scarlet crimson flesh-colored or purple, rarely blue- 

 violet ; the tube straight or curved, cylindric or arupliate (not ventricose) 

 above. 



* Leaves cuneate or narrowed at base. (Forms of S. cinnabarina, elegans, and 



nervata may be looked for here.) 



+- Leaves pubeseent beneath, corolla rose-purple. 

 *+ Leaves softly canescent-tomentose or cinereous-pilose beneath. 



= Calyx minutely pilose, in anthesis to 10 mm. long; the tube once and a half 

 exceeding the ovate-lanceolate acuminate lobes : corolla 2.5 to 4 cm. i 



171. S. curviflora, Benth. Lab. 28-1, & in DC. I.e. 310; Hemsl. I.e. 



555; liriij. I.e. — Hidalgo, Zimapan ( Coulter, nos. 1088,10*'.), 1090): 



Michoacan, Tlalpujahua (Graham). 



= = Calyx hispidulous: corolla 1.5 to 1.8 cm. long. 



175. S. chiapensis. Fruticose (?), the tall Bimple branches puber- 

 ulent below, pilose-hispid above: leaves thick, ovate or oblong-ovate, 

 appressed-serrate, acuminate at tip, subcuneate at base, 5 to 12 cm. long, 

 green and minutely pilose above, canescent and sul>\ elutinooa beneath, on 

 puberulent petioles 3.5 cm. or less in length: raceme '■'• to 1 dm. or less 

 long; the verticels G-10-ilowered, all becoming remote, the lowest 3 to 

 ■1 cm. apart : bracts oblong-ovate, acuminate, .short-pubescent, 1.5 cm. or 

 less iii length, caducous: pedicels becoming 5 nun. long: calyx in 

 anthesis 7 to 8 mm. long; the tube nearly twice exceeding the ovate- 

 lanceolote acuminate lobes: corolla-tube aboul twice exceeding the calyx ; 

 the densely villous galea about equalling the lip: style bearded. — 



Chiapas, without locality (Ghiesbreght, nos. 57, 761); near San Cris- 

 tobal, alt. 2,150 to 2,460 in.. Sept. 18, 1895 (E. II". Nelson, no. 8201). 



