CLASS. XXIV. 
Character of the XXIVth. Class. 
Tlo^jcers not visible, 
XXIV. Ferns. Crypt. Filices.' 
Horse-tail. Equisetum. Gen. PI. 1614. 
Fructifications disposed in an ovate-oblong, 
club-shaped spike, whorled, on a stem. 
720. Wood Horse-tail. — E. sylvaticum. 
Stem bearing a spike, fronds compound. — 
Bolton. 33. 
. Woods, April, P. Rare. 
Hazvnes Wood, — Amp thill Park, 
Obs : ' 
Fronds simple in the seedling plants, in the more adult much 
zuhorled and branched. 
Corn 
