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1. Gratiola L. 
Calyx 5-parted, with two bractlets. Corolla 
2-labiate. Filaments 4; two of them fertile, 
two sterile (sometimes 0). Ovary o-ovulate. 
Capsule loculicidal, at length septifragal. 
1: G. epracreata Benth. Corolla pale. 
©.—Marin County. Spring. 
2. Mimetanthe Greene. 
Calyx campanulate, not angulate. Capsule 
dehiscent only by the dorsal suture. 
1. M. prtosaGreene. Corolla yellow.—©. 
Dry river beds. Summer. The whole plant 
has a nauseous smell, resembling that of Datura 
stramonium. 
8. Mimulus L. Monxey-riower. 
Calyx angular; angles carinate. Placentz of 
the capsule remain united and only separate at 
last near the apex. Valves of the capsule mem- 
branaceous. 
1. M. rnconspicuus Gray. Glabrous; leaves 
ovate, entire, 3-5 nerved; all cauline leaves ses- 
sile; calyx ventricose, its teeth about equal and 
very short; corolla yellow.—@©. Livermore. 
Summer. 
2. M. nasurus Greene. Glabrous; stem 4- 
angular; leaves dentate, 3-5 nerved, mostly 
petioled; calyx ventricose, in fruit conspicu- 
ously pointed by the projecting upper tooth; 
