SCROPHULARIACEjE. 153 



18. Hclnmp.v rii in. Calyx 4-cleft, the lobes sharp-pointed. Corolla 

 greenish-yellow ; upper lip arched, compressed, the lower 3-lobed 

 at the apex. Stamens 4 ; anthers hairy. Pod 1-4-seeded, flat, 

 oblique. Upper leaves larger than the lower ones and fringed 

 with bristly teeth at the base. 



1. VI;IM; is I >i, L. MULLEIN. 



1. V. Thap'sus, L. (COMMON MULLEIN.) A tall arid very 

 woolly herb, with the simple stem winged by the decurrerit 

 bases of the leaves. Flowers yellow, forming a dense spike. 

 Fields and roadsides everywhere. 



2. V. Blatta'ria, L. (MOTH M.) Stem slender, nearly 

 smooth. Lower leaves petioled. doubly serrate ; the upper 

 partly clasping. Flowers whitish with a purple tinge, in a 

 loose raceme. Filaments all violet-bearded. Roadsides ; not 

 common northward. 



2. VERON'ICA, L. SPEEDWELL. 



1. V. America na, Schweinitz. (AMERICAN BROOKLIME.) 

 Flowers pale blue, in opposite axillary racemes. Leaves 

 mostly petioled, thickish, serrate. Pod swollen. A common 

 plant in brooks and ditches. 



2. V. anagal'lis, L., (WATER SPEEDWELL) is much like 

 No. 1, but the leaves are sessile, with a heart-shaped base. 



3. V. SCUtella'ta, L. (MARSH S.) Flowers pale blue, in 

 racemes, chiefly from alternate axils. Leaves sessile, linear, 

 opposite, hardly toothed. Racemes 1 or 2, slender and zig- 

 zag. Flowers few. Pods very flat, notched at both ends. 

 Bogs. 



Var. pubeseens, Macoun, has hairy stem and leaves. 



4. V. Offleina'lis, L. (COMMON S.) Flowers light blue. 

 Stem prostrate, rooting at the base, pubescent. Leaves 

 short-petioled, obovate-elliptical, serrate. Racemes dense, 

 chiefly from alternate axils. Pod obovate - triangular, 

 strongly flattened, notched. Hillsides and open woods. 



5. V. Chamse'drys, L. Flowers pale blue. Stem pubes- 

 cent, at least in 2 lines, from a creeping base. Leaves 

 nearly sessile, ovate or cordate, incisely crenate. Eacemes 



