GRANT—A MONOGRAPH OF THE GENUS MIMULUS 215 
Crag's Mts., 23 June, 1894, Henderson 2675 (С); on hills, Lake 
Waha, Nez Perces Co., 23 June, 1890, Henderson 2675a (Cor- 
nell). 
Washington: along irrigation ditches, Wawawai, May, 1897, 
Elmer 752 (M, R. Mt., and Pomona). 
43. M. arenarius Grant! РІ. 8, fig. 1. 
Small glandular-pubescent annuals, somewhat slimy and with 
soft white hairs; stems 8-15 em. long, simple or branched; leaves 
few, mostly elliptical, sometimes ovate, with а rounded base, 
acute, 1-1.7 em. long, 3-7 mm. wide, sessile, often reddish on the 
lower surface, entire or sparingly denticulate, 1-3-nerved from the . 
base, occasionally with short-petioled lower leaves; fruiting 
pedicels slender, reddish, longer than the leaves, usually divari- 
cate and more or less curved; calyx narrowly campanulate, 5-6 
mm. long, slightly larger in fruit, 6-8 mm. long, often dotted with 
red, teeth subequal, triangular-acute, ciliate; corolla bilabiate, 
1.3-1.7 em. long, yellow, tube exserted, throat funnelform, with 
а hairy ring at the base of the lobes and two densely hairy ridges 
more or less dotted with red down the throat, lobes unequal, the 
middle lobe of the lower lip longer and spreading; stamens gla- 
brous, included, filaments flat; style slightly exserted, flattened, 
glabrous, stigma-lips broadly rounded, equal; capsule elliptical, 
longitudinally striate; seeds oval, papillate. 
Distribution: moist sandy places in the Transition Zone of the 
ық Nevada Mts., from Mariposa Co. to Fresno Со., Cali- 
ornia. 
Specimens examined: 
California: near Wawona, Mariposa Co., 5000 ft. alt., 23 June, 
1918, А. L. Grant 1309 (N. Y., Cornell, M, Calif. Acad., and 
Calif.) ; in sandy places, Jackass Meadow, Madera Co., 7000 ft. 
alt., 25 June, 1918, A. L. Grant 1336 (Cornell, M, and Calif.) ; 
f ' Mimulus arenarius Grant, sp. nov., annuus pumilus, pubescens, viscoso-villosus; 
oliis ellipticis, integerrimis vel parce denticulatis; pediculis foliis longioribus, pler- 
au aa divaricatis, curvatis; calyce fructif panulato, 6-8 mm. longo, dentibus 
ч ; labii qualibus, 1.3-1.7 em. longis; stylo exserto, glabro, 
laciniis aequalibus.—Collected in moist sandy places near Huntington Lake, 
хе 7000 ft. alt., 5 July, 1917, Adele Lewis Grant 1032 (Gray Herb., Phil. Acad. 
at. Sci. Herb., Cornell Univ. Herb., Mo. Bot. Gard. Herb. no. 849663, түр, Rocky 
Mt. Herb., Univ. Calif. Herb., Stanford Univ Herb., and Pomona Coll Herb.). 
