98 SCROPHULARIACES. 
Var. angustissimus, Gr. Leaves very slender. Yosemite Valley, etc. 
28. P. heterophyllus, Lindl, Similar: buds often yellowish. W. Cal 
29. P. Bridgesii, Gr. Thyrsus one-sided: corolla lips long. S. Sierras. 
10. MIMULUS, Linneus. 
* Corolla buff, salmon-color or orange, large: a viscid shrub..... Sale aisieieeraee sicieeiciewicn Bl 
** Corolla-limb rose or crimson-purple (scarlet in No. 17): sticky viscid or slimy (less eo in 
8, 10, 17, 18, 38); aften tll scented, 
a. Style pubescent above; stigma unequally lobed or entire, usually peltate-funnelform: 
flowers sessile or nearly so. 
Corolla-tube long, slender; lower lip very short; upper lip erect.........26+ sinewercas 5 
Corolla scarcely exserted, 3-4 lines long: capsule much exserted...........+. arejerera dG 6 
Corolla exceeding 4 inch; lower lip shorter; throat dark or yellow..........+ eeweees 8 
Corolla trumpet shape, 6-9 lines broad, crimson: calyx hardly oblique.............. 10 
Corolla similar, 6 lines long, 4-5 lines broad, deep red: calyx oblique.......... éeeses D1 
Corolla nearly funnelform, 2-6 lines long, crimson: calyx-teeth spreading........ weve: LS 
Corolla 6-9 lines long: calyx-teeth obtuse, nearly equal.............2ceseecccee eee. 13 
Corolla often an inch long: calyx-teeth very unequal, acute: very viscid....... coos 14 
Corolla oblique- salverform, white, crimsOn-veined........0.0e-.eececeevcne ivicévn LE 
&. Style smooth; stigma of 2 equal flat lobes which upon irritation close: flowers on long 
or short peduncles, 
Corolla oblique-bilabiate, exceeding 1 inch, lobes reflexed, scarlet......... wicaieewesy LE 
Corolla open-bilabiate, 14-2 inches long, lobes spreading, rose-color.........00ses00- 18 
Corolla little surpassing calyx; very slimy-villous.... ...........-.eeeeeee soccseee 34 
Corolla 2-3 lines long; lower lip entire, upper 2 lobed...............cceccaeee coor, 38 
*** Corolla-limb rose or crimson-purple: not viscid, or very slightly so, 
a, Almost stemless: corolla-tube long and slender: style pubescent. 
Flowers erect, sessile, surpassing the leaves, 1-2 inches long........ ......6. - 2,3, 4 
6. Stems much longer than the flowers: style smooth; stigma equally 2-lobed, lobes flat 
and often closed,.... 2.0... cece eect eee reece cnereceeeeacsceace 18, 30, 38, 39 
**** Corolla yellow, often spotted: viscid or slimy. 
Corolla-throat often purple-tinged or dotted: odor strong, fetid................ siete wt 
Corolla 1 inch long or longer, nearly as broad, lobes subequal.............. Saowisisicte 15 
Corolla 3-9 lines long: peduncles scape-like: leaves rosulate-crowded .......... coors 19 
Corolla #-1 inch long: slimy, musky, spreading and creeping............cecee0e wen eeO 
Corolla 4-2 inch long: fruiting calyx 4 inch long, mouth closed........... a Sw atea pee, IE 
Corolla 3-4 inch long: fruiting calyx on long peduncle, lower teeth shortest......... 29 
Corolla light yellow, limb often pinkish: petioles margined...............0 Soiews 31 
Corolla as broad as long (4 inch): peduncles much exceeding oval leaves............. 32 
Corolla narrower, 3-4 inch long: peduncles little exceeding the leaves............... 33 
