SCROPHULARIACEJE. 259 



SUBORDER I. ANTIRRHINIDE^. 



Inflorescence entirely centripetal or compound. ^Estivation 

 of the corolla bilabiately imbricated, the two upper segments 

 being external. 



I. VERBACEJE. 



1. VERBASCUM. Linn. Mullein. 

 (Name altered from Barbascum ; the leaves being covered with a barba or beard.) 



Calyx deeply 5-cleft or 5-parted. Corolla rotate, 5-lobed, 

 the lobes nearly equal. Stamens 5, all perfect, declined, often 

 hairy ; the anterior longer. Style compressed-dilated at the 

 apex. Capsule globose, ovoid or oblong, dehiscent. 



1 . V. Tkapsus Linn. : densely woolly ; stem simple ; leaves ovate-ob- 

 long, decurrent ; flowers in a long dense terminal spike ; stamens unequal, 

 two smooth. 



Road sides, &c. Throughout the U. S. June. (g). Stem 3 6 feet high, 

 angular, winged. Leaves 6 12 inches long. Flowers yellow, in a long dense 

 cylindric spike. Introduced from Europe. Common Mullein. 



2. V. Blatlaria Linn. : stem nearly smooth, angled ; leaves oblong, 

 clasping, crenate-serrate ; the radical ones petioled, sinuate-pinnatifid ; 

 flowers pedicellate, in an elongated raceme. 



Road sides, &c. N. Y. to Car. June, July. (g). Stem 2 feet high, angular. 

 Leaves acute, serrate or toothed. Flowers yellow or white, with a purplish 

 tinge. Considered by some as a variety of the preceding. Introduced from 

 Europe. Moth Mullein. 



3. V. Lychnitis Linn. : stem angular; leaves oblong, wedgeform, nearly 

 smooth above, white and woolly beneath ; flowers numerous, in a pyramidal 

 panicle ; filaments white-woolly. 



Old fields. Near Oneida Lake, N. Y. Torr. Penn. Pursh. July, Aug. 

 (J2). Stem 2 5 feet high. Flowers rather small, cream-colored. Introduced 

 from Europe. White Mullein. 



II. ANTIRRHINEJ2. 



a. LINARIA. Tourn. Toad Flax. 



(From the Latin linum, flax; on account of the resemblance of the leaves in 

 many species.) 



Calyx deeply 5-parted. Corolla personate ; tube with a spur 

 at base ; upper lip 2-cleft, erect; throat closed by the prominent 

 palate. Stamens 4, didynamous. Capsule ovoid or globose, 

 2-celled, usually opening at the summit by several valves. 

 Seeds ovoid. 



1. L. Elatine Mill.: stem procumbent, hairy; leaves broad-haste te, 



