220 ORDER 88. SCROPHULARIACE.E. 



P. IMPERIALIS. In parks, 40f high. Flower-buds formed in Autumn, opening in the 

 following Spring. Corolla near 2'. Tree of rapid growth and kingly port. 



20. MIMULUS, L. MONKEY-FLOWER. Calyx tubular, 5-angled, 5- 

 toothed. Corolla riugent, the upper lip reflected at the sides, palate of the 

 lower lip prominent. Stig. thick, bifid. Caps, oo-seeded. Herbs prostrate 

 or erect, with square stems and opposite Ivs. Ped. axillary, solitary, 1-flwd. 



Leaves pinnate-veined. Flowers blue (wild) or yellow (cultivated) Nos. 1, 2, 6 



Leaves palmate-veined. Flowers yellow or scarlet Nos. 3, 4, 5 



1 OT. ringeiis L. Lvs. sessile, smooth, lanceolate, acuminate ; ped. axillary, longer 



than the flowers, y. A common inhabitant of ditches and mud soils. 2f. Flowers 

 large, (!'), pale blue, yellow-mouthed, appearing in July and August. 



2 ftl. alatus Ait. Leaves petiolate, smooth, ovate, acuminate ; ped. shorter than the 



fls. ; st. winged at the 4 corners, n N. Y., W. and S., in muddy places. 2f. Aug. 



3 M. Jamesli Torr. Stems diffuse, rooting ; leaves subentire, round-reniform, 5-7- 



veined, the upper as long as the peduncles of the small yellow fls. L. Sup., and W. 



4 M. LUTEUS. Lvs. round-ovate, the cauline sessile or clasping, shorter than the pedun- 



cles ; calyx ovoid, half as long as the broad, large, yellow, spotted flowers. Cal. 



5 M. CAKDINALIS. Branching, villous-clammy ; leaves ovate, narrowed to the clasping 



base, shorter than the long ped. ; cal. large, inflated ; cor. ample, rose-orange. Cal. 



6 OT. MOSOHATUS. Musk Plant. Decumbent, hairy-viscid ; leaves ovate, dentate ; cor. 



tube exceeding the calyx, yellow. Oregon. Smells strongly of musk. 



r 21. TORENIA, L. Calyx tubular, with prominent angles, oblique. 

 Cor. ringent, upper lip notched, lower larger, trifid. Sta. 4, arched beneath 

 the upper lip, the longer pair appendaged at base. Stigma double. Cap- 

 sules included. Herbs tropical, diffuse, with opp. leaves and racenied fls. 

 T. ASIATICA. Lvs. petiolate, lance-ovate, crenate-dentate ; calyx acute at base, f ' ; cor. 

 twice longer, ample, pale purple tipped with violet. 2f + , trailing. 



22. CONOBEA, Aublet. Calyx 5-parted, equal. Upper lip of the 

 corolla 2-lobed, lower lip 3-parted. Fertile sta. 4, anth. approximating by 

 pairs, cells parallel. Caps, round-ovoid, oo-seeded. Herbs, with opposite 

 leaves. Peduncles axillary, solitary or in pairs, 1-flowered. 



. multifida Benth. Low, diffusely-branched, puberulent ; leaves petiolate, pinnately 

 dissected; segments linear or cuneate, lobed or entire, obtuse ; cor. greenish, scarcely 

 exserted (2"), lobes entire. (T) Sandy banks of rivers, O. to La. 612'. July. 



23. HERPESTIS, Gaert. Calyx unequally 5-parted. Corolla subbila- 

 biate, upper lip emarginate or 2-lobed, lower 3-lobed. Sta. 4, fertile. Caps. 

 2-furrowed, valves parallel with the dissepiment. Seeds oo, small. 24 

 Obscure weeds with opposite leaves. Peduncles 1-flowered, axillary, or 

 subracemous, often with **vo bractlets near the calyx. 



Leaves feather-veined, 01 obscurely 1-3-veined. Cor. yellow, or bluish Nos. 1, 2 



Leaves palmately many-(5-9-)veined, subentire. Corolla blue Nos. 3, 4 



1 II. nigrescens Benth. Erect ; st. square, branched ; leaves oblanceolate, crenatc- 



serrate above ; ped. equalling or exceeding the leaves; corolla yellowish, upper lip 

 rounded, entire. Wet pi., S. 1 2f. Cor. rather longer (5") than cal. Blackens in drying. 



2 H. JHonniera Humb. Prostrate, fleshy ; Ivs. wedge-obovate, subentire ; ped. as 



long (9") as the Ivs. ; fls. few, bluish ; cor. 4" wide, nearly regular. Wet banks, Pa., & S. 



3 H. amplexicaulis Ph. Stem submersed, woolly; leaves ovate, cordate-clapping, 



