This section is from the book "Who's Who Among The Wild Flowers", by W. I. Beecroft. Also available from Amazon: A Field Guide to Edible Wild Plants.
Orontium aquaticum.
Arum Family. Apr. - May.
Found in shallow water, swamps, chiefly near the Atlantic coast. New England to Gulf of Mexico.
Yellow, minute, crowded on a club 1 - 2 inches long, terminating stalk 6 - 36 inches high; the stalk flattened just below the flower cluster.
Dark green, oblong, long-stemmed, floating or erect.
 
Continue to: