524 PROCEEDINGS OF THE AMERICAN ACADEMY, 
to 2,460 m., 1878 (Parry & Palmer, no. 730): Mexico, Guadalupe 
June 21, 1865 (Bourgeau, no. 295): Oaxaca, Valley of pei 
alt. 2,000 to 2,460 m., Nov. 10, 1894 (#. W. Nelson, no. 1898) ; 
Juan del Estado, alt. 1,800 m., Oct. 20, 1895 (ZL. C. Smith, no. fe 
Papalo, Cuicatlan, alt. 1,650 m., Dec. 9, 1895 (V. Gonzdlez, no. 42). 
Var. crenaea. Leaves narrower, oblong-lanceolate, blunt, rounded 
or subcuneate at base. — S. scorodonia, Benth. Pl. Hartw. 20, not Benth. 
Lab. 264. — A northern narrow-leaved extreme. AGuas CALIENTES 
(Hartweg, no. 164): Cu1nuaHUA, southwestern section, without locality, 
1885 (Edw. Palmer). 
= = Pubescence of calyx long-villous, not glandular. 
104, S. tastanrua, Benth. Lab. 276, & in DC. 1. c. 8321; Hemsl. 
l.c. 5593; Brig. 1.c. — Range of the last from which it differs only in 
the more villous glandless calyx. Perhaps only a variety of that. 
Duranco, Ramos to Inde, Aug., 1898 (#. W. Nelson, no. 4679): SAN 
Luts Porost, in the mountains, San Rafael, 1876 (Schaffner, no. 671) 
without locality, alt. 1,850 to 2,460 m., 1878 (Parry & Palmer, 00. 
731); limestone ledges, San José Pass, July 23, 1890, and limestone 
hills, Las Canoas, Oct. 8, 1890 (C.G. Pringle, nos. 3206, 3273): 
Hipae@o, calcareous hills near Tula, alt. 2,160 m., Oct. 5, 1896 (C. G. 
Pringle, no. 6538): Oaxaca, near Dominguillo, ‘alt. 2,000 m., Oct. 3, 
1894 (Z. W. ni ae no. 1595). Placed by Bentham and by Briquet in 
the section Hrianthae 
++ ++ Pedicels longer, 3 to 9 mm. long: racemes loosely flowered; verticels Te 4 
te: calyx tubular-campanulate, in anthesis 6 mm. or more long 
= Calyx ee violet, glandular-villous, in anthesis —_ cm. long: lower 
of corolla almost black ; tube and galea pa 
105. S. semratraTa, Zucc. Abhandl. Baier. Akad, Wiss. i. 2983 
Benth. in DC. l.c. 316; Hemsl. 1. c. 565; Briq. 1.c. — Oaxaca, with 
out locality, June (Andrieux, no. 149); calcareous hills, Las Sedas, alt. 
1,850 m., Aug. 2, 1894 (C. G. Pringle, no. 4763), alt. 2,150 m., June 
27, 1895 (L. C. Smith, no. 413); near city of Oaxaca, alt. 1,600 to 
2,100 m., Oct. 2, 1894 (#. W. Nelson, no. 1511). 
= Calyx ig (or blue-tinged), glandular-puberulent pon rhyswog hispidulous 
n the nerves, in anthesis about 6 mm. long: ¢ 
106. §. Gonzalezii. Branches very slender, somewhat villous, the 
youngest parts and the rhachises glandular-puberulent: leaves broad- 
ovate, bluntish at tip, truncate or subcordate at base, green and very 
rugose, slightly pubescent above, white-villous beneath, crenulate, 1 t 
