9 8 FLOWERS OF LAKES, RIVERS, ETC. 



Linlithgow, and in the E. Highlands, except in Fife, Stirling, Perth, 

 and Elgin. 



Three -lobed Butterbur is found by the sides of most rivers and 

 even by streams, but always in moist places; often overgrown by the 

 wealth of Willow-herbs, Bur Reed, Flag, or Horsetail, which vie with 

 each other for the guardianship of the waterway. The stem is erect, 

 with opposite, rather spreading branches, giving it a somewhat char- 

 acteristic appearance. The leaves, as implied in the second Latin 



Photo. Fiatt 



THREE-LOBED BUTTERBUR (Bidens tripartite^ 



name, are 3-lobed, opposite, stalked, united below, with coarsely toothed 

 segments. 



The flowerheads are erect, with terminal, nearly erect, not nodding, 

 yellowish florets, which are solitary. The fruit is provided with 2-5 

 bristles or awns, a feature intended to be noted in the first Latin name. 



The plant is usually 2-3 ft. high. The flowers are in bloom 

 between July and September. Three-lobed Butterbur is deciduous, 

 herbaceous, and perennial. 



The flowerheads are inconspicuous, not always possessing a ray (in 

 which the florets are female, ligulate), with bell-shaped disk florets. 

 The lobes of the style are linear, and tipped with papillae. The plant 

 grows amongst herbage, where it is unlikely to be visited by insects to 

 any extent, and must therefore rely on self-pollination for the most part. 



It is provided with pappus or awns, covered with turned-down 



