Marattiaceae and Ophioglossaceae
The order marattiaceae, and the maratiia family, consists of stately tropical ferns with thickened, often erect, stems. The leaves are usually very large. The ophioglossaceae order has plants of small or medium size, often somewhat fleshy.
L. H. Bailey Standard Cyclopedia of Horticulture (New York, New York: The MacMillan Company, 1917)