SCROPHULARIACE^. * 259 



Suborder I. ANTIRRHINIDE^E. 



Inflorescence entirely centripetal or compound. Estivation 

 of the corolla bilabiately imbricated, the two upper segments 

 being external. 



I. Verbace^. 



1. VERBASCUM. Limi. Mullein. 



(Name altered from Barhascum ; tlie leaves being covered with a harba or heard.) 



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. Thapsiis Linn. :' densely woolly; stem simple; leaves ovate-ob- 

 long, decurrent ; flowers in a long dense terminal spike ; stamens ur|||[ual, 

 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. Blatiaria 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. (5). — 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 

 ^-mooth above, white and woolly beneath ; flowers numerous, in a pyramidal 

 |>anicle ; filaments white-woolly. 



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

 @. — Stem 2 — 5 feet high. Flowers rather small, cream-colored. Introduced 

 from Europe. White Mullein. 



II. Antirrhine^. 



2. LINARIA. Tour7i.—To8Ld Flax. 



(From the Latua linum, jiax ; on account of the resemblance of the leaves in 

 many species.) 



Calyx deeply 5-parted. Corolla personate ; tube with alfepur 

 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-hastate, 



