THE LESSER WATER PLANTAIN 



FIG. 9. Echinodorus ranunculoides, (L.) Engelm. A, plant from a dried up fen, 



August 5, 191 1 ; B, plant growing in water in a ditch, with aerial leaves only, and 



very long petioles and flower stalks, June 27, 1914; C, plant with submerged and 



floating leaves only, from a shallow pool, June 27, 1914. (Reduced.) [A. A.] 



