404 scrophulakiacuyE. 



Borders of surface streams in the mountains north of San Fran- 

 cisco Bay (Mt. George, Howell Mt); also in the Sierra Nevada. 

 Apr.-May 15. 



2. M. subuniflorus Greene. Acaulescent or nearly so, about IJ 

 in. high; leaves rhombic-ovate to oblong, 2 to 4 lines long, entire or 

 crenate-toothed; corolla crimson or red-purple, IJ in. long, the 

 slender tube twice or thrice the length of the calyx; the throat 

 oblong-urnshaped or campanulate; upper lip conspicuous, erect; lower 

 lip reduced to a narrow 2 or 3-crenate border or consisting of a 

 more prominent tooth-like middle lobe and the lateral lobe obsolete; 

 capsule J in. long, very gibbous. 



Wet hillsides: Coast Ranges and Sierra Nevada. 



3. M. tricolor Hartweg. Short-caulescent and erect or the 

 branches 3 to 4 in. long and decumbent; leaves lanceolate to oblan- 

 ceolate-oblong, J to 1 in. long, entire or remotely toothed; corolla 

 rose-purple, 1^ to 2 in. long, with little unequal lips and broadly 

 funnelforra throat bearing markings of crimson and yellow; cap- 

 sule slightly gibbous, compressed. 



Edges of vernal pools, plains of the Sacramento and San Joaquin 

 Valleys. Apr. 15-May. The original description is by Lindley 

 (Journ. Lond. Hort. Soc. iv, 222), but the name is credited to 

 Hartweg. 



4. M. Kelloggii Curran. Erect, simple, 2 to 5 in. high, or occa- 

 sionally 7 or 8 in. with several branches from the base, viscid- 

 pubescent; leaves broadly ovate to oblong (the lowest elliptic-ovate), 

 mostly attenuate at base to a petiole, J to 1 in. long, generally dull 

 purple beneath; calyx narrowly cylindrical (6 lines long and 1 line 

 broad), very oblique, the teeth very short and obtuse; corolla- tube 

 very long and slender, twice as long as the calyx, expanding into the 

 short funnelform throat and broad limb, the lower lip only J as long 

 as the upper and more spreading; capsule 4 to 5 lines long, slender, 

 bisulcate, slightly curved outwardly (with the calyx), or sometimes 

 contorted, simulating that of Oenothera micrantha. 



Mountain slopes: North Coast Ranges; Sierra Nevada (El Dorado 

 Co.). Apr. 



Var. parviflorus (Greene). Much smaller; corolla scarcely Jin. 

 long, its tube little exserted. — Vaca Mountains. 



5. M. Congdoni Robinson. Very similar to the preceding, but 

 usually smaller; corolla rose-purple, about 8 lines long, throat narrow, 

 limb only IJ to 2 lines in diameter; capsule 2 to 3 lines long, acute, 

 compressed. 



Sierra Nevada; Mt. Tamalpais; collected but once within our 

 limits. 



6. M. Bolanderi Gray. Simple or much branched with erect 

 branches, 5 to 16 in. high, glandular-pubescent and very viscid; 

 leaves lanceolate or oblong, sometimes obovate, sometimes sparingly 

 denticulate at apex, 1 to If in. long, sessile; calyx 2 to 3 lines broad, 

 5 to 6 lines long, strongly plicate-angled, somewhat contracted at the 



