GRANT—A MONOGRAPH OF THE GENUS MIMULUS 335 
June, 1894, Mearns 3659 (G); near Alpine, San Diego Co., 
10 July, 1912, Abrams 4900 (G); hills near Ysidora, San 
Diego Co., 23 April, 1903, Abrams 8287 (M); hills between 
Campo and Potrero, San Diego Co., 3 June, 1908, Abrams 3716 
(M); San Pasqual Grade, San Diego Co., 12 April, 1920, 
Jepson 8504 (Calif.) ; California, without date, Douglas (G and 
N. Y., probably part of the type). 
109. M. leptanthus (Nutt.) Grant in Gentes Herb. 1: 136. 
1923. 
Diplacus leptanthus Nutt. in Taylor's Ann. Nat. Hist. I. 1:138. 
1838, by error published as D. leptantha; Nutt. ex Hooker in 
Curtis, Bot. Mag. II. 12: under pl. 3665. 1838. 
Diplacus grandiflorus Grénl. in Paris Rev. Hort. IV. 6: 402, 
fig. 186. 1857; Planchon in Fl. des Serres 9: pl. 883. 1853-54; 
Greene, Pittonia 2: 156. 1890. 
Diplacus glutinosus var. grandiflorus Lindl. in Paxt. Fl. Gard. 
3: pl. 92. 1851-53. 
Diplacus longiflorus Greene in Bull. Calif. Acad. Sci. 1: 96. 
1885, mainly, not Nuttall. 
Stem and branches slendér, puberulent; leaves numerous, 
oblong to spatulate, 2,5-5 em. long, .7-1.4 em. broad, rounded at 
apex or merely obtuse, tapering to a slender, sessile base, glabrous, 
ining as though varnished but not glandular, entire or slightly 
toothed, frequently revolute, smaller leaves often fascicled in 
the axils, lower leaves occasionally petioled; pedicels slender, 
puberulent, .6-1.5 em. long; calyx tubular, 2-3 cm. long, slender, 
nearly glabrous, teeth triangular, acute, about one-fourth as long 
as the calyx, ciliate; corolla 4.5-6.5 cm. long, yellow, tube very 
slender, exserted, expanding abruptly to а long wide throat, 
lobes deeply cut, broad, emarginate, often with 8 spread of 3 em.; 
stamens included; style slender, somewhat exserted, sometimes 
a slight enlargement at the base; stigma-lips equal, ovate, 
rounded; capsule short; seeds oblong, apiculate at both ends, 
Papillate, 
Distribution: foothills of the Sierra Nevada and Coast Range 
Mts., California. 
imens examined: 
