72 FLOWERS OF FIELD, HILL, AND SWAMP 



73 



Hyssop-leaved Hedge-nettle (5. hyssopifblid) is smooth, except 

 at the joints, which are hairy. Flowers, 4 to 6, in distant 

 whorls. Leaves, linear, sessile, or with short stalks, i foot high. 



74 



S. dspem is taller, and with rough stem-angles, the bristles 

 turned backward. The leaves are all petioled. Sometimes 

 considered a variety of S. palustris. 



75. Bugleweed 



Ljcopus Virgi'hicus (a wolf's foot, from some fancied like- 

 ness of the leaves). — Family, Mint. Color, white. Leaves, 

 opposite, with petioles, oblong, tapering at both ends, regularly 

 toothed. TtTne, July, August. 



Calyx, with 4 acute short teeth. Corolla, bell-shaped, 4- 

 lobed. Stamens, 2 good ones. One pair without anthers. 



Fruit of 4 nutlets, which, when ripe, project above the calyx 

 teeth. 



Flowers, very small, in close whorls around the 4-angled, smooth, 

 stiff, upright stem, much shorter than the leaves among which 

 they nestle. Stem, 20 inches high or less, bearing sometimes from 

 its base thread-like runners with small tubers. 



76. Great W^ater-dock 



Rinmex Britdnnica. — Family, Buckwheat. Color, green. 

 Leaves, oblong, lance-shaped, very large, those near the root 

 I or 2 feet long. Time, summer. 



This genus, mostly familiar to us from the dock-weed in our 

 gardens, has some species growing in wet grounds. This one is 

 very tall, 5 to 8 or even 10 feet high. The lower leaves are long, 

 coarse, acute at both ends. I have found a plant of this species 



