Vol. III.] 



FIGWORT FAMILY. 



157 



10. PAULOWNIA Sieb. & Zucc. Fl. Jap. i: 25. pi. 10. 1S35. 



A large tree, with the aspect of Catalpti, with broad opposite entire or 3-Iobe(l, petioled 

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

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

 somewhat unequal. Stamens 4, didynauious, 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. Paulo'wnia tomentosa (Thunb.) Baill. 

 Paulowiiia. (Fig. 3264.) 



Bigyionia lomeniosa Thunb. Fl. Jap. 252. 1784. 

 Patilo'wnia itiiperialis Sieb. & Zucc. Fl. Jap. i: 27. 1835. 

 Paiilouitia lomeniosa Bail!. Hist. PI. 9: 434. 1S88. 



A tree with thin flaky bark, reaching a maximum 

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

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

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

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

 oles terete; flowers about 2 1^' loug, numerous in large 

 erect terminal panicles; pedicels stout, densely tomeu- 

 tose; calyx 5-Iobed, 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. 



II. 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, s-toothed, 

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

 ridges on the lower side within, its limb 2-lipped; upper lip erect or reflexed, 2dobcd; 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-laniellate. Capsule oblong or linear, loculicidally dehisceut, many-geeded, enclosed by 

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



.\bout 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. i. 



^ Leaves petioled; peduncles shorter than the calj'x. 2. 



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

 Plants glabrous or glabrate. 



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



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



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



AT. riiigens. 

 M. alalus. 



M. gullalus. 

 M. Jamesii. 

 M. moscltatus. 



I. Mimulus ringens L. Square-stetnmed 

 Monkey-flower. (Fig. 3265.) 



Mimulits 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 mereh' sessile, 2^-4' long, %'-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, 6"-S" long; seeds oblong, minute, slightly 

 reticulated. 



In swamps and along streams, Nova .Scotia to Vir- 

 ginia, Tenne.ssee, Manitoba, Nebraska and Texas. As- 

 cends to 3LOO ft. in Virginia. June-Sept. 



iUuA 



