522 PROCEEDINGS OF THE AMERICAN ACADEMY. 
Willd. Hort. Berol. i. 29, t. 29. — Central Mexico. Zacatecas, plains, 
La Honda Station, Aug. 18, 1890 (C. G. Pringle, no. 3170): San 
Luis Porost, alt. 1,850 to 2,460 m., 1878 (Parry & Palmer, no. 753): 
H1pa.eo, bare hills above Pachuca, alt. 2,600 ft., July 18, 1898 (C. @. 
Pringle, no. 6907) : Mexico, mountains near Mexico and Guadalupe, 
Aug. 24, 1865 (Bourgeau, no. 855). 
Var. isochroma. Leaves reduced, 0.5 to 1.5 cm. long, short-petioled 
or subsessile, mostly crowded, canescent on both faces. — San Luis 
Porost, in the mountains, San Rafael and San Miguelito, 1876 ( Schaff- 
ner, nos. 663, 664); without locality, alt. 1,850 to 2,460 m., 1878 (Parry 
& Palmer, nos. 750, 7514). 
= == Stems with spreading pubescence: leaves 2 to 83cm. long; blades little 
exceeding the petioles. 
99. S. pavctrLora, HBK. l.c. 303; Benth. l.c. 315; Hemsl. 1. ¢. 
563. — A doubtful species from “ New Spain.” 
== = = Of this section but not identified. 
S. sproata, R. & S. Syst. Mant. i. 202 (S. pulchella, HBK. 1. c. 288, 
t. 140, not DC. S. pomifera, Sessé & Moe. |. c. 7, ex. char., not L.) and S. 
BREVIFLORA, Moc. & Sessé in Benth. Lab. 274, species described from 
“New Spain” are placed by Bentham in this section, S. spicata, Gray, 
Syn. Fl. 1. c. 461, is very different from the plate of S. pulchella, HBK. 
++ ++ Calyx funnelform, the lobes becoming ampliate. 
= T.eavae nvat ition: deieciel shcth Une ot 
— © OF OVate-Orvicuiar, 
, much paler beneath, regularly 
1. 
crenate, 
100. S. BALLOTAEFLORA, Benth. Leaves rugose, densely white-tomentu- 
lose beneath, 0.5 to 3 cm. long, rarely larger: racemes 0.5 to 8 cm. long 
— Lab. 270, & in DC. l.c. 313; Torr. Bot. Mex. Bound. 131; Gray, 
1. c.; Hemsl. l.c. 553; Briq. lc. S. lara, Benth. 1. c. — Texas to San 
Luis Potosi. Mexico, without locality (Gregg, no. 322): CoaHUILA, 
Monelova, Aug., 1880, Parras, June, 1880, Lerios, July, 1880, Saltillo, 
May, 1898 (Edw. Palmer, nos. 1069, 1067, 1068, 107): TamauLiPas, 
1843 (Berlandier, no. 3186): San Luis Potost, San Rafael, 1876 
(Schaffner, no. 670) ; near Matehuala, June 18, 1898 (Z. W. Nelson, 0- 
4527). 
Var. Eulaliae, Leaves large, 3 cm. long, broad-ovate, rugose, very 
slightly pubescent and hardly canescent beneath: racemes very numerous, 
4 to 9 cm. long. —Curmuanva, Santa Eulalia Mts., Sept. 1, 1889 
(C. G. Pringle, no. 659). 
