506 PROCEEDINGS OP THE AMERICAN ACADEMY. 



no. 601): Chiapas, without locality, 1864-70 (Ghiesbregkt, nos. 788, 

 711.7l7i: near San Cristobal, alt 2,150 to 2,460 m., Sept 18, l- 

 ( /■;. II. Nelson, no. .'11-12): Giaiimai.a. Santa Rosa, Depart Baja 

 \ i rapaz, alt 1,530 m., April, 1887 I //. >•"/* Tuerckheim in exsicc. J. 1>. 

 Smith, no. 1193); Santiago, Depart Zacatepequez, alt 2,000m., 1891 

 (Rosalio Gomez in exsicc. J. D. Smith, no. 823); Sacabaja, Depart 

 Quiche, alt 1.230 m., March, 1892, and Castillas, Depart. Santa Rosa, 

 alt. 1,230 in., Dec, 1892 (Ifryde & Lux in exsicc. J. I >. Smith. - 

 3128, 4395). Originally described from Patzcuaro, MlCHOA< w. 



Var. latifolia, Benth. Leaves elliptic-oblong, acute. — PL llartw. 

 21, & in DC. I.e. — Jalisco. Bolafios (Hartweg, no. 171). 



= = Similar: stems minutely retrorse-pubescent: leaves not canescent beneath. 



a. Leaves oblong or narrowly ovate-elliptic, 1.5 to ."» cm. long, thickish, rugose, 

 green, sometimes a little pubescent on the nerves 1 eneath, obscurely crenate or 



re : lower vertieels a little reunite : calyx 6 t'> 6 nun. long the upper li]> I erj 

 short, the lower with '1 ovate lobes 1 mm. lon^. 



1 1. S. GUADALAJAEEN8I3, Briq. Ann. Conserv. Jard. Bot Geneve ii. 

 132. S. helianthemifolicL) var., Gray in "Wats. Proc. Am. Acad. xxii. 1 15, 

 not S. helianthemifolia, Benth. — .Jalisco, among rocks, Rio Blanco, 

 Sept.. 1886 (Ediv. Palmer, no. 556); dry rocky hills mar Guadalajara, 

 Nov. 1, 1893 (C. G. Pringle, no. 4624). 



Ij. Leaves lanceolate or oblong-linear, bluntish, dull, minutely puberulent or gla- 

 brate : deltoid acuminate calyx-lobes subequal. 



1. Stems numerous, assurgent, 2 to 2.5 dm. high, leafy chiefly near the base : leaves 



entire, glaucous: calyx white-puberulent, in anthesis 8 mm. long. 



45. S. Teresae. Leaves short-petioled, 2 to 2.5 cm. long. 0.25 to 

 0.5 em. hroad : peduncles 1 to 1.5 dm. long; raceme rather loosely flow- 

 ered : the lower vertieels 1 cm. apart, 2-6-flowered : bracts ovate-lance- 

 olate, acuminate : calyx dark blue : corolla 1.3 cm. long, the galea densely 

 pubescent. — Tepic, near Santa Teresa, top of Sierra Madre, Aug. 13, 

 1897 i./. X. Rose, no. 2233). 



2. Stems few, erect, to 8 dm. high : leaves remote, serrate, not glaucous : calyx 



minutely pubescent, not whitened, in anthesis I to 6 mm. long. 



40. S. rnuscarioides. Stems simple or sparingly branched ; Lnter- 

 nodes 1 dm. or less long; leaves short-petioled, 5 to G cm. long. <».7."i to 

 1.5 cm. wide: peduncles 2 dm. or less long: bracts minute, caducous: 

 lower vertieels 2 or 3 cm. apart, the others crowded, 8-20-flowered : 

 pedicels spreading and drooping: calyx dark blue and green: corolla 

 1.2 cm. long; the lower lip much exceeding the pubescent galea: style 

 slightly exserted, bearded. — Northwestern Mexico. Cuim aiii a. base 



