Equisetaceae
(Horsetail Famiyl[sic].)
Leafless plants with rush-like hollow and jointed stems terminated by the fructification in the from[sic] of a cone or spike.
Equisetum.---Moist shady places. Branches in whorls. Fertile stems simple, very different from the sterile ones. The base of each joint is surrounded by a sheath which is split into teeth, corresponding with the principal ridges of the stems.
