A. pulverulentum

(covered with powder).* sti. 6in. to 12in. long, strong, erect; fronds with a terminal pinna and several spreading lateral ones on each side, which are 4in. to 8in. long, 1in. broad; pinnules ½in. long, one and a half to two lines deep, dimidiate, the lower line nearly straight, the upper one nearly parallel, both it and the outer edge finely toothed. sori in a continuous line along the lower and upper edges. West Indies, . Stove species. IMG:7081556231692414330_i_028.jpg: F IG . 30. A DIANTUM PEDATUM .