SCROPHVLARIACEAE. 



[Vol. III. 



3. Mimulus guttatus DC. Yellow 

 Monkey-flower. (Fig. 3267.) 



Mimulus !;utlalus DC. Cat. Hort. Jlonsp. 

 127. 181S. 



Perennial by stolous, glabrous or puber- 

 ulent; stem rather stout, simple or branch- 

 ed; branches spreading. Leaves ovate to 

 obovate, dentate or denticulate, obtuse at 

 the apex, rounded, narrowed or cordate at 

 the base, i'-3' long, Ihe lower short- peti- 

 oled, the upper smaller, sessile or clasping; 

 peduncles shorter than or equalling the 

 flowers; calyx oblique; corolla yellow, l'- 

 2' long, the lower lip bearded at the base, 

 often blotched with red or purple; fruiting 

 calyx about Y^' long; seeds longitudinally 

 striate. 



In wet meadows, Norfolk, Conn, and south- 

 ern New York. Introduced from California. 

 Summer. 



2. Mimulus alatus Solaiid. Sharp- 

 winged Monkey-flower. (Fig. 3266.) 



^finlulus a/a/us Soland. in Ait. Hort. Kew. 2:361. 

 17S9. 



Similar to Ibe preceding species, glabrous; 

 stem sharply 4-angled, the angles more or less 

 winged. Leaves ovate, ovate-lanceolate, or ob- 

 long, acute or acuminate at the apex, dentate- 

 serrate, narrowed at the base, petioled, 2'-$' 

 long, 9"-i8" wide; petioles }i'-i' long, nar- 

 rowly margined; peduncles stout, shorter than 

 the calyx; corolla violet, about i' long; calyx- 

 teeth short, broad, abruptly mucronnlate; seeds 

 smooth. 



In swamps, Connecticut to Illinois, south to 

 Georgia and Texas. June-Sept. 



4. Mimulus Jamesii T. & G. James' 

 Mimulus. (Fig. 3268.) 



Mimulus famesii T. & G.; Benth. in DC. Prodr. 10: 

 371. 1846. 



Perennial by stolons, glabrous or nearly so; 

 stems slender, creeping, diffusely branched, root- 

 ing at the nodes, 6'-iS' long. Leaves broadly 

 ovate, orbicular or broader, very obtuse, denticu- 

 late or entire, membranous, truncate, subcordate, 

 or rarely narrowed at the base, palmately veined, 

 short-petioled or the upper sessile, ,'+'-1' in di- 

 ameter; peduncles slender, longer than the calyx 

 in fruit; calyx oblique, scarcely toothed, i''-^" 

 long at maturity; corolla yellow, 4"-6" long, 

 the lower lip bearded at the base within, the 

 throat broad; seeds nearly smooth. 



In brooks and swamps, Ontario to Nebraska and 

 Mexico, west to Montana and Arizona. May per- 

 haps include two species. June-Sept. 



