SCROPIITJLARIACEJE. 145 
GENUS VL— MIMULUS. Linn. 
Calyx tubular, 5-angled, 5-toothed. Corolla tubular, bilabiate 
and ringent ; the upper lip erect, 2-lobed, tbe lower one sub-erect 
or spreading, 3-lobed. Stamens 4, didynamous ; anthers 2-cellcd, 
the cells at length confluent. Stigma with 2 flat oblong irritable 
lobes, closing when touched. Capsule ovoid or fusiform, 2-valved, 
opening loculicidally. Seeds numerous, minute, not winged. 
Herbs, with opposite leaves, and generally showy flowers, on 
solitary axillary peduncles arranged in a raceme. 
The name of this genus of plants appeal's to have come from the Latin word mimo, 
I mimic ; hence Monkey-flower. 
SPECIES I— M IMULUS LUTEUS. Linn. 
Plate DCCCCLXVII. 
Billot, Fl. Gall, et Germ. Exsicc. No. 274. 
Barren shoots prostrate, creeping. Flowering-stems erect. 
Lower leaves broadly obovate-obtuse, spathulate, or frequently sub- 
lyrate ; upper leaves of the flowering-stem subsessile, roundish or 
broadly oval, obtuse or somewhat cuspidate ; all 5- to 9-nerved, 
repand or denticulate, or more rarely dentate. Flowers axillary, 
arranged in a terminal raceme. Peduncles longer than the calyx. 
Calyx 5-toothed, the uppermost tooth longer than the others, all 
of them ovate. Corolla three times as long as the calyx, lower 
lip the longest, with 3 flatfish sub-erect lobes. Calyx inflated in 
fruit. Capsule oval-ovoid, laterally compressed. Plant glabrous 
or more or less glandular-puberulent, more rarely with the stem- 
veins of the leaves, peduncles, and calyx pubescent, with gland- 
tipped hairs. 
By the sides of streams and on wet banks ; in many places, 
particularly in Scotland, naturalized from Western North 
America. 
[England, Scotland, Ireland.] Perennial. Summer 
and Autumn. 
Barren shoots extensively creeping. Flowering-stems erect, 
6 to 18 inches high. Leaves variable in breadth, £ to 2 inche3 
long. Peduncles longer than the leaves from the axils of which 
they spring. Corolla If to If inch long, bright-yellow, the throat 
and under side of the tube on the lower side sprinkled with red 
dots within ; the limb without red blotches. Fruiting calyx f inch 
vol. vi. u 
