Vol. III.] FIGWORT FAMILY. 157 



10. PAULOWNIA Sieb. & Zucc. Fl. Jap. i: 25. pi. 10. 1835. 



A large tree, with the aspect of Catalpa, with broad opposite entire or 3-lobed, petioled 

 pubescent leaves, and large violet flowers in terminal panicles. Calyx deeply 5 cleft, the 

 lobes short. Corolla irregular, the tube elongated, enlarged above, the 5 lobes spreading, 

 somewhat unequal. Stamens 4, didynamous, included; anther-sacs divaricate. Style 

 slender, slightly thickened toward the summit, stigmatic on the inner side. Capsule coria- 

 ceous, ovoid, acute, loculicidally dehiscent. Seeds numerous, striate, winged. Flowers ex- 

 panding before the leaves appear. [Named for Anna 

 Paulowna, daughter of the Czar Paul I.] 



A monotypic Japanese genus. 



i. Paulownia tomentosa (Thimb.) Baill. 

 Paulownia. (Fig. 3264.) 



Bignonia tomentosa Thutib. Fl. Jap. 252. 1784. 

 Paulownia imperialis Sieb. & Zuec. Fl. Jap. 1: 27. 1835. 

 Pauloivnia tomentosa Baill. Hist. PL 9: 434. 1888. 



A tree with thin flaky bark, reaching a maximum 

 height of about 70 and a trunk diameter of 4, the 

 branches stout, spreading. Leaves broadhy ovate, 6'- 

 15' long, 4 / -S / wide, long-petioled, canescent on both 

 sides when young, glabrate above when old, the peti- 

 oles terete; flowers about 2}&' long, numerous in large 

 erect terminal panicles; pedicels stout, densely tomen- 

 tose; calyx 5-lobed, the lobes thick, tomentose; co- 

 rolla slightly irregular, puberulent without; capsule 2' 

 high, i / in diameter. 



Escaped from cultivation in southern New York and 

 New Jersey and in the southern States. May-July. 



11. MIMULUS L. Sp. PI. 634. 1753. 

 Erect or decumbent herbs, with opposite mostly dentate leaves. Flowers axillary, soli- 

 tary, peduncled, pink, violet, or yellow, usually showy. Calyx prismatic, 5-angled, 5-toothed, 

 the upper tooth usually the largest. Corolla irregular, its tube cyliudric with a pair of 

 ridges on the lower side within, its limb 2-lipped; upper lip erect or reflexed, 2-lobed; lower 

 lip spreading, 3-lobed, the lobes rounded. Stamens 4, didynamous, inserted on the corolla- 

 tube; anther-sacs divergent, or sometimes confluent at the summit. Style filiform; stigma 

 2-lamellate. Capsule oblong or linear, loculicidally dehiscent, many-seeded, enclosed by 

 the calyx. [Diminutive of mimus, a mimic actor.] 



About 30 species, natives of America. Besides the following, some 20 others occur in the 

 western United States and British Columbia. 



Corolla violet, or rarely white; eastern species. 



Leaves sessile, clasping; peduncles longer than the calyx. 

 Leaves petioled; peduncles shorter than the calyx. 

 Corolla yellow; western; two species adventive in the East. 

 Plants glabrous or glabrate. 



Erect; branches spreading; leaves ovate; flowers 1' long. 3. 



Diffuse; leaves nearly orbicular; flowers about 6" long. 4. 



Plant villous and viscid, diffuse, musk-scented. 5. 



1. M. ringens. 



2. M. alatus. 



M. guttata s. 

 M. James//. 

 M. moscliatiis. 



Mimulus ringens 

 Monkey-flower. 



Iv. Square-stemmed 

 (Fig. 3265.) 



Mimulus ringens L- Sp. PI. 634. 1753- 



Glabrous, perennial by rootstocks; stem erect, 4- 

 sided or somewhat 4-winged, usually much branch- 

 ed, i-3 high. Leaves oblong, lanceolate, or ob- 

 long-lanceolate, pinnately veined, acuminate or 

 acute at apex, serrate, auriculate-clasping at the 

 base, or the lower merely sessile, 2 / ~4 / long, / J^ / -i / 

 wide ; peduncles slender, i / -2 / long in fruit, 2-4 

 times as long as the calyx; calyx teeth lanceolate- 

 subulate; corolla violet, rarely white, about i / long, 

 the throat narrow, exceeding the calyx, the lower 

 lip puberulent within at the base; fruiting calyx ob- 

 long, W-W long; seeds oblong, minute, slightly 

 reticulated. 



In swamps and along streams, Nova Scotia to Vir- 

 ginia, Tennessee, Manitoba, Nebraska and Texas. As- 

 cends to 3000 ft. in Virginia. June-Sept. 



