1924] У 
GRANT—A MONOGRAPH OF THE GENUS MIMULUS 201 
. (G and Pomona); moist dirt banks, Martin, Blaine Co., 6200 
ft. alt., 7 July, 1916, Macbride & Payson 3093 (G, M, and R. 
Mt.); pond borders, University grounds, Moscow, 28 Aug., 
1897 , Henderson 4610 (Cornell). 
Washington: Rock Lake, Whitman Co., 30 May, 1893, Sandberg 
& Leiberg 115 (U. S); patches in springy places, Wawawai, 
Whitman Co., May, 1897, Elmer 77) (M and В. Mt.); river 
bank, Bingen, Sept.-Dec., 1901, 1904, Suksdorf 4472 (Stan- 
ford); Yakima Co., June, 1892, Henderson 2264 (G); Yakima 
Region, Northern Transcontinental Survey, 1882, T. S. 
Brandegee 206 (M) ; damp places, Falcon Valley, 2 July, 1885, 
Suksdorf 485 (M. and G); Pullman, 15 June, 1894, Piper 1826 
(G); Pullman, 3 July, 1894, Piper 1858 (С, type collection); 
low sandy banks of the Columbia River, W. Klickitat Co., 
Sept., 1883, Suksdorf 203 (G). 
Oregon: moist fields, Hood River, 1883, Henderson (G); Hood 
River, 1884, Barrett (G). 
31. M. latidens (Gray) Greene, Manual Bay Region, 278. 
1894; Jepson, Fl. W. Mid. Calif. 406. 1902, and ed. 2, 379. 
1911. 
M. inconspicuus var. latidens Gray, Syn. Fl. ЇЧ. Am. ed. 2,2: 
Suppl. 450. 1886. 
Plants glabrous or nearly so; stem 1-2.5 dm. high, simple or 
usually with several erect or spreading basal branches; leaves 
broadly ovate, 1-3 em. long, .5-1.2 cm. broad, acute, commonly 
sessile, entire or obscurely toothed, thin, much longer than the 
internodes, basal leaves often subrosulate and short-petioled ; 
pedicels erect, slender, reddish, sometimes obscurely puberulent, 
longer than the flowers and becoming much elongated in fruit; 
calyx cylindrical, 7-8 mm. long, accrescent, broadly oval when 
mature, strongly plicate and much constricted at the oblique 
orifice, 10-12 mm. long, 6-7 mm. broad, loosely investing the 
capsule; teeth 1-1.5 mm. long, triangular-acute, obscurely ciliate, 
connivent, nearly closing the throat; corolla 9-11 mm. long, 
White or yellowish, often tinged with pink, tube broad, included, 
throat short, broad, lobes erect, 1.5-2 mm. long, nearly equal, 
truncate; stamens included, glabrous, filaments slender, flat, 
