Department of Mathematics, Toyama University, Gofuku, Toyama 930, Japan
(Received June 17, 1996; Accepted July 10, 1996)
Keywords: Fibonacci Number, Sunflower, Spiral
Abstract. A proposition serving to simulate spiral lines in the sunflower seeds is proved. Fibonaccian pairs, whose multiplication gives a Fibonacci number, are shown to play an important role.