dL. Le uniflorus Michx. Stems simple or branched, 15-30 cm, tall, very 
——agp 
leafy, puberulent; leaf-blades narrowly rhomboid-elliptical, 2.5-7 om, 
long, 1-2.5 cm. wide, widest near the middle, tapering and acute at both 
with , ‘ 
Gitny— ends, sharply serrate, \indefinite petioles or subsessile, both surfaces 
glabrous, light green, the lower paler; glomerules 5-8 mm, wide; calyces 
1,.5-2 mm, long, the teeth obtuse or acute, triangular; corolla white or 
rose-purple, scarcely 3 mm, long, the lobes rounded, scarcely 1 mm, long, 
the tube hairy within between the filaments, the anthers purple, the 
ovary bright green; nutlets 1.3 me long, exceeding the calyces at 
maturitye ( Le commis Bickn,), 
Frequent in boggy ground and along streams or lake shores, Perennial 
from filiform stolons from the lower axils which eventually form small 
c horizontal tubers from which in turn new stems arise, 
ene | 
