Plate IX. 
33. Commox Brake, Eagle Fern. Pteris aquilina, 2 to 3 ft. high; stem upright; fruit on curled 
margin of leaves. 
34. Oak Fern. Phegopteris Pry op ter is. 1 ft. 
35. Moonavort. Botrychium lunarioides. 3 to 12 in.; leaf-stem from the ground. 
36. Botrychium virginicum. 1 to 2 ft. ; leaf from middle of fertile stem. 
