6 Class II. Order I. 



5. GRATIOLA. 

 GRATIOLA AUREA. Muhl. Hedge Hyssop. 



Leaves lanceolate with few teeth ; sterile fila- 

 ments none ; capsule nearly equalling the calyx. 



Syn. G RATIO LA OFFICINALIS. Mich. 



Stem smooth, upright or ascending at base, mostly simple, 

 half a foot high. Leaves opposite, sessile, somewhat clasping, 

 smooth, dotted under a magnifier, oblong-lanceolate, with a 

 slight tooth or two on each side toward the end. Peduncles ax- 

 illary, alternate, slender. Calyx leaves seven, linear-lanceolate, 

 two of them external. Corolla irregular, yellow, its tube curv- 

 ed, and hairy within. Stamens two inserted in the sides of the 

 corolla. Style long, persistent. Borders of ponds and muddy 

 places. -September. 



6. UTRICULARIA. 



UTRICULARIA VULGARIS. L. Bladder wort. 



N'ectary conical ; scape with few flowers. L. 



An aquatic plant, appearing above water only with its stalk 

 and flowers. The roots are slightly fixed to the mud at bot- 

 tom, the rest of the plant floats in the water by means of nume- 

 rous small air bladders attached to its immersed portions. 

 Flowers yellow. Ditches and stagnant waters. June, July. 

 Perennial. 



7. LYCOPUS. 

 LYCOPUS EU-ROP^US. L Water horehound, 



Lower leaves cut, upper leaves lanceolate, ser- 

 rate ; calyx acuminate-prickly. Mich. 



Stem square ; leaves opposite, lower ones deeply, upper 

 ones more slightly toothed. Flowers in whorls. This plant, as 

 Dr. Smith observes, resembles the mints, but has no aromatic 

 l.- Wet ground, flowering all summer. Perennial. 



C . 



