344 



SCEOPHULARIACEAE. 



little unequal, the upper exterior, at least in the bud. Stamens 5, inserted on 

 the base of the corolla, unequal; filaments of the 3 upper stamens, or of all 

 5, pilose; anther-sacs confluent into one. Ovules numerous; style dilated and 

 flattened at the summit. Capsule septicidally 2-valved, the valves usually 2- 

 cleft at the apex. Seeds rugose. [The Latin name of the great mullen; used 

 by Pliny.] About 125 species, of the Old World. Type species: Verbascum 

 Thapsus L. 



Plant densely woolly ; flowers in dense spikes. 



Plant sparingly pubescent ; flowers in long racemes. 



1. V. Thapsus. 



2. V. virgatum. 



Common in fields and in waste grounds. 

 Naturalized. Native of Europe. Widely natural- 

 ized in North America. Flowers from spring to 

 autumn. Sometimes called Dock-leaf. 



2. Verbascum virgatum "With. Twiggy 

 Mullen. (Fig. 373.) Annual or biennial, 

 tall and vrand-like, loosely pubescent, green, 

 4°-6° tall. Leaves crenate-dentate, the basal 

 ones obovate-elliptic, obtuse, narrowed into 

 slender petioles, the lower ones oblong or ob- 

 long-lanceolate, acutish, 3'-5' long, narrowed 

 into margined petioles, the upper lanceolate 

 to ovate, acute, cordate-clasping at the base; 

 raceme often 2° long, narrow ; pedicels stout, 

 2''-3" long in fruit, about as long as the 

 lanceolate, glandular-pubescent fruiting calyx- 

 lobes; corolla yellow, or white, 1' broad or less. 



Cultivated grounds, Warwick, and on Castle 

 Point, 1914. Introduced. Native of Europe. 

 Naturalized as a weed in the southwestern United 

 States. Flowers in spring and summer. 



1. Verbascum Thapsus L. 

 Great Mullex. Flannel- 

 leaf. (Fig. 372.) Simple or 

 with some erect branches, 

 densely woolly with branched 

 hairs, l°-8° high. Leaves ob- 

 long, thick, acute, narrowed 

 at the base, dentate or dentic- 

 ulate, 4'-12' long, the basal 

 ones margined-petioled ; flow- 

 ers yellow, i'-l' broad, sessile, 

 numerous in dense elongated 

 spikes; stamens unequal, the 

 three upper shorter with white 

 hairy filaments and short 

 anthers, the two lower gla- 

 brous or nearly so with larger 

 anthers; capsule about 3" 

 high. 



