8s 
VIII Males. I Female. Oct. Mo. 
Wet Ditches, July, P. Common. 
289. Smooth Willow Herb, — E. montanum. 
Leaves opposite, ovate, toothed. — Curtis. 
III. 24. 
Woods, July, P. Common. 
290. Square^stalked Willow Herb, — E. tetra- 
gonum. 
Leaves spear-shaped, with small teeth, stem 
4-square, stigma entire. — Curtis. II. 23. 
Boggy Places, July, P. Rare. 
Ampthill Bogs, 
291. Marsh Willow Herb, — E. palustre. 
Leaves opposite, spear-shaped, very entire, 
petals nicked, stem upright. — Sowerby, 
346. 
Bogs, July, P. Rare. 
Ampthill Bogs^ — Stevington Bogs, 
Obs : 
Very like the tetragomnn, but difering in a round stem, 
leaves narrower^ almost entire, 
Tellozv Wort, Chlora. Gen. PI, 653. 
Cup of 8 leaves. Blossom of 1 petal, 8 divi- 
sions, capsule i-cell, 2 valves, many seeds ; 
stigma cloven into 4. 
Perfoliate 
