8CROPHULARIACEJB. Igg 



Var. angTLstissimus, Or. Leaves very slender. Yoeemite Valley, etc. 

 28. P. heterophyllus, Lindl. Similar: bnda often yellowish. W. O&L 

 20. P. Bridgesii, Or. Thyrsus one-sided: corolla lips long. 8. Sierras. 



10. BirttTOXUS, Linnaeus. 



* Corottabuff, salmon-color or orange, large: a viscid shrub. 1 



* * Corolla-limb rose or crimson-purple (scarlet in No. 17): sticky viscid or slimy (lete to * 



g t 10, 17, 18, S8); often ill scented. 



a. Style pubescent above; stigma unequally lobed or entire, usually peltate- funnelfontu 

 flowers sessile or nearly so. 



Corolla-tube long, slender; lower lip very short; upper lip erect , 6 



Corolla scarcely exserted, 3-4 lines long: capsule much exserted ._ 6 



Corolla exceeding inch; lower lip shorter; throat dark or yellow , 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 11 



Corolla nearly fnnnelform, 2-6 lines long, crimson: calyx-teeth spreading 19 



Corolla 6-9 lines long: calyx-teeth obtuse, nearly equal 13 



Corolla often an inch long: calyx-teeth very unequal, acute: very viscid 14 



Corolla oblique-salverform, white, crimson-veined 16 



b. Style smooth; stigma of 2 equal flat lobes which upon irritation close: flown* on long 

 or short peduncles. 



Corolla oblique-bilabiate, exceeding 1 inch, lobes reflexed, scarlet 17 



Corolla open-bilabiate, 1 J-2 inches long, lobes spreading, rose-color 18 



Corolla little surpassing calyx; very slimy-villous , 84 



Corolla 2-3 lines long; lower lip entire, upper 2 lobed 88 



* * * 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 9, 8, 4 



b. Stems much longer than the flowers: style smooth; stigma equally 2-lobed, lobes flat 

 and often closed. 18, 80, 38, 80 



* * * * Corolla yellow, often spotted: viscid or slimy. 



Corolla-throat often purple-tinged or dotted: odor strong, fetid. 7 



Corolla 1 inch long or longer, nearly as broad, lobes subequal 15 



Corolla 3-9 lines long: peduncles scape-like: leaves rosulate-crowded 10 



Corolla -1 inch long: slimy, musky, spreading and creeping fiO 



Corolla fc-f inch long: fruiting calyx & inch long, mouth closed 87 



Corolla $-& inch long: fruiting calyx on long peduncle, lower teeth shortest 89 



Corolla light yellow, limb often pinkish: petioles margined 81 



Corolla as broad as long (& inch) : peduncles much exceeding oval leaves. 38 



Corolla narrower, - inch long: peduncles little exceeding the leave*. 83 



