DICOTYLEDONS. 211 



the base, the upper leaves lanceolate, sessile and clasping, all dentate 

 or serrate, smooth or slightly pubescent ; cymes loose, few-flowered, 

 glandular-pubescent ; pedicels short ; corolla tube about 1 in. long, 

 dilated above, ^-grooved below, the throat with a densely bearded 

 palate; sterile filament densely bearded above. May-July. In 

 open, dry woods. 



2. P. CANKSCEN8 Britt. Gray BEAi;i)-TON(iUK. Stem erect, 

 stout, pubescent, often several from the same root, 2-3 ft. high; 

 lower leaves oval, the long petiole margined, upper leaves ovate- 

 lanceolate, sessile, all denticulate, slightly pubescent ; cymes loose, 

 pedicels short ; corolla tube white to purple, about 1 in. long, throat 

 smooth or slightly bearded ; sterile stamen slightly bearded near 

 the apex. May- July. In dry, open woods. 



VI. PAULOWNIA. 



A tree having much the appearance of Catalpa ; leaves 

 opposite, long-petioled, entire or 3-lobed ; flowers purple or 

 violet, in large terminal panicles ; calyx short, o-cleft ; corolla 

 with a long tube which is spreading above, lobes spreading, 

 nearly equal ; stamens 4, included, didynamous ; style slen- 

 der ; fruit a dehiscent, ovoid capsule, seeds winged and 

 striate. 



P. TOMKNTOSA (Thuub.) Britt. Paulowxia. a tree with gray 

 bark and a rounded top; leaves ovate to ^Mobed, pubescent, 0-10 in. 

 wide; flowers 2-3 in. long, in spreading panicles 2-3 ft. long; pedi- 

 cels stout, tomentose ; capsule coriaceous, dehiscent. April-^Iay. 

 Introduced from Japan. The panicles with the large flower buds 

 are developed from September to November and are conspicuous 

 dui"in!2- the winter months. 



VII. MIMULUS. 



Perennial; stem erect or decumbent; leaves oi)posite ; 

 flowers axillary and solitary, mostly yellow or purple; calyx 

 tubular, o-angled, o-toothcd ; corolla tube with 2 ridges within 

 on the lower side, u})p('r lip erect or reflexcnl, lower lip S})read- 

 ing; stamens 4, didynamous; style slender, 2-lobed ; capsule 

 2-valved, many-seeded. 



1. M. uin(;kns L. Sc^uahk-stkmmki) Monkkv Flowkh. Stem 

 4-angl(Hl, erect, branched, smooth, 1-2 ft. liigh ; leaves lanceolate to 



