252 CLASS XIV. ORDER I. 



260. GALEOPSIS. 

 Galeopsis tetrahit. Ij. Common Hemp Nettle. 



Stem hispid, internodes tliickened at top ; corolla 

 twice as long as the calyx, its upper lip straight. 



Stem square, a foot or more high, swelling below the joints, 

 bristly. Leaves ovate, serrate, hispid. Calyx hispid and 

 prickly. Upper lip of the corolla concave, extended, purple, 

 lower lip trifid, variegated. — Naturalized in waste grounds. — 

 July, August. — Annual. 

 Galeopsis ladanum. L. Tied Hemp Nettle. 



Stem hairy, internodes equal ; leaves lanceolate, 

 subserrate, hairy; upper lip of the corolla obsoletely 

 crenate. 



Smaller than the preceding. Stem branched and of uniform 

 thickness. Leaves ovate-lanceolate, entire or serrate, marked 

 with deep veins. Calyx hairy with prickly teeth. Corolla vari- 

 able, red, white, or variegated. — On Chelsea beach. — July. — 

 Annual. 



261. BALLOTA. 

 Ballota nigra. L. Black Horehound. 



Leaves ovate, undivided, serrate ; calyx dilated 

 above, subtruncate, with spreading teeth. 



Two or three feet high and universally pubescent. Leaves 

 ovate, a little cordate. Whorls axillary. Calyx infundibuli- 

 form, ten ribbed. Corolla purple or while. — At Hull. — July. — 

 Perennial. 



262. NEPETA. 

 Nepeta cataria, L. Catmint or Catnep. 



Flowers spiked : the whorls slightly pedunculated. 

 Leaves on footstalks, heart shaped, tooth serrated. 



This well known plant grows every where in dry soils, about 



