XCI. SCROPHULARIACE^E. 397 



( Calyx < Sterile fils. minute or 0. Gratiola. is 

 ( Corolla < 5-parted. ( Sterile fils. forked. Ilysantlius. 14 



. 

 < bilabiate. ( Calyx 4-parted. Fl. minute. 



' Flowers diandrous. ( Corolla subequally 4-lobed. 



. 



Leaves serrate. 



Herbs with oppo- 

 site leaves. 



f Stamens < Leaves multifid. 

 included. ( Leaves entire. 

 Sta. ascending ( Fls. spicate 

 beneath the galea. ( Fls. solitary. 



{ 

 l. 1 



bilabiate. I Sta. declinate in lower lip. 

 $ Lvs. ovate-lanceolate. 

 Cor.5- (purple. (Lvs. linear, entire. 



Uemianthus. 15 

 Veronica. 19 

 Mimulus. ic 

 Conobea. 1 1 

 Herpestis. 12 

 Rhiruinthus. 27 



Collinsia. 7 



Buchnera. 20 



i . Gerardia. 22 



lobedj $ Cal. 5-parted. Seymer ia. 21 



. sub- \ $ Anth. equal. ( Cal.5-tooth'd.Dasystm>ia. 24 



or minute. L equal, I yellow. (Anthers unequal. . , Otophylla. 23 

 < Sterile filament scale-like, adherent to the ovoid corolla. Scrophuiaria. 6 



Fls. didy- Sterile filament shorter, glabrous. Seeds winged. . Chelone. 8 



...., .*,.*. V o v namous. L Sterile filament long, exserted, bearded. Sds. apterous. Pentstemon. 9 



Trees with large cordate leaves, and panicles of tubular, scarlet flowers. . . . Paulownia. 5 



TRIBE 1. SAL.PIGL.OSSEJE. 

 1. SCHIZANTHUS. Ruiz & Pavon. 



Gr. o^t^a, to cut, avto$, a flower; in allusion to the numerous divisions of the showy corolla. 



Corolla irregular, the upper lip 5-cleft, external in aestivation, low- 

 er much smaller, 3-parted ; filaments 4, 2 of them sterile ; capsule 

 2 celled. Qfrom Chili. Lvs. pi?i?iatifid) alternate. Cymes supra- 

 Txillary. 



S. PINNATUS. Ruiz & Pavon. Lvs. 1 2-pinnately cleft ; cor. tube shorter 

 than the calyx, middle segment of the posterior lip, 2-lobed, cucullate, lateral 

 segment falcate-spatulate, middle segment of the anterior lip emarginate, late- 

 ral 4-lobed; sta. exserted. Plant 1 2f high, with delicate and beautiful flowers 

 in clusters opposite the leaves. Calyx and peduncles viscid-pubescent. Corolla 

 purple and yellow, with a dark spot in the midst, f 



TRIBE 2. VERBASCE^E. 



2. VERBASCUM. 



Lat. barla, beard ; a name significant of the beard with which the plant is covered. / 



Corolla rotate, 5-lobed, unequal ; stamens 5, declinate, all perfect ; 

 capsule ovoid-globose, 2-valved. CD rarely ^ or suffruticose. Lvs. al- 

 ternate. Fls. in spikes or paniculate racemes. 



1. V. THAPSUS.^ Common Mullein. 



Lvs. decurrent, "densely tomentose on both sides; roc. spiked, dense; three 

 of the stamens downy, two of them smooth. The tall, dense, club-shaped spikes 

 of the common mullein are very conspicuous in every slovenly field and by all 

 roadsides, U. S. and Can. Stem erect, 3 5f high, woolly, its angles winged 

 by the decurrent base of the leaves, generally simple, occasionally with one or 

 two branches above. Leaves very rough with dense wool on both sides. Flo\v- 

 ers rotate, of a golden yellow, nearly sessile. Notwithstanding its frequency, 

 the mullein is generally supposed to have been introduced. Jn. Aug. 



2. V. BLATTARIA. Moth Mullein. 



oblong, obovate; upper ones cordate-ovate, all coarsely and doubly serrate. 

 Flowers on pedicels near an inch in length. Corolla yellow or white, marked 

 with brown at the back. Stamens unequal, purplish, the filaments all hairy. 

 Jn. Jl. 



3. V. LYCHNITIS. 



Whitish subtomentose ; st. and paniculate branches angular ; Ivs. green 

 above, crenate, lower petioled, narrowed to the base, upper ones sessile ; panicle 

 pyramidal, fascichs loosely many-flowered; cat. small, with lance-subulate seg- 

 ments ; fil. with white wool. Banks of the Delaware, near Philadelphia, Pursh. 

 Ky. McMurt. Leaves very canescent beneath. Flowers pale yellow 



