Equisetaceae 17 



In wet places and on banks and slides in 

 the valley of the Kicking Horse River. 



Stems perennial, slender, ever- 

 Equisetum . 



variegatum S reen ' 6 ~ l8 lncheS lon S' r U S h ' 

 Schl. Vari- usually simple from a branched 

 egated base, commonly tufted, 5-10 



Equisetum. f urrowe( j ; sheaths companulate, 

 distinctly 4-keeled, green variegated with 

 black above; the teeth 5-10, each tipped 

 with a deciduous bristle. 



In moist, sandy soil throughout the region 

 up to an elevation of 7000 feet, sometimes 

 forming large patches. 



Equisetum Stems perennial, evergreen, very 

 scirpoides slender, 3-6 inches long, rough, 

 Michx. flexuous and curving, growing 



in tufts closely matted to the ground, mostly 

 6-furrowed with acute ridges, simple or 

 branching from near the base ; sheaths black, 

 with three membranous rather persistent 

 bristle-tipped teeth. 



On moist sandy shaded banks throughout 

 the Rockies. 



