GRANT—A MONOGRAPH OF THE GENUS MIMULUS 187 
А low glabrous perennial; stems short; leaves іп а basal rosette, 
erowded, ovate, short-petioled, 3-4 em. long, 2-2.5 em. broad, 
serrate-dentate, short-petioled, blade with а transverse dark 
bar; flowers subsessile, crowded at the apex of the stem; calyx 
4-5 mm. long; corolla 1.4-1,5 em. long, not spotted. 
Distribution: in swamps in the high mountains in Atacama and 
Coquimbo, Chile. | 
23a. Var. nanus (РЫІ.) Reiche, Fl. Chile 6': 62. 1911. 
M. nanus Phil. Fl. Atac. 45. 1860, not Hook. & Arn. 
Plants small; stems scarcely 2.5 cm. high, mostly 1-flowered; 
leaves ovate, 5 mm. long, entire, short-petioled; corolla 6 mm. 
long. 
Distribution: in wet places in the Sandon Valley in the desert 
of Atacama, Chile. 
These plants are known to the writer only from the descriptions 
cited above. The variety was originally described from five 
plants collected by a spring in the Sandon Valley, Chile. It may 
be a depauperate form of the species or examination of authentic 
material may show it to be specifically distinct. 
24. M. pilosiusculus HBK. Nov. Gen. & Sp. 2: 870. 1817; 
Benth. in DC. Prodr. 10: 371. 1846; McCloskie in Princeton 
Patagonia Exp. 8%: 721. 1903-1906. 
M. sylvaticus Phil. in Linnaea 30: 197. 1859-60; Reiche, Fl. 
Chile 61: 62. 1911. 
A low pubescent perennial with stems .5-1.5 еш. long, pro- 
cumbent or creeping, freely branched; leaves numerous, mostly 
crowded, the lower short-petiolate, broadly ovate or oblong- 
ovate, 1.6-1.8 em. long, 6-12 mm. wide, acute or obtuse, ir- 
regularly dentate, pale green, the upper sessile or short-petioled ; 
flowers axillary, numerous, pedicels slender, mostly shorter than 
the leaves; calyx 5-6 mm. long, inflated and oval when mature, 
6-8 mm. long, the throat slightly constricted, teeth spreading, 
broadly triangular-acute, the upper longer and much broader; 
corolla 1-1.4 em. long; capsule oblong, almost аз long as the calyx- 
tube, not stipitate; seeds smooth, oval, nearly as broad as long. 
Distribution: Peru, Chile, and Argentine Republic. 
