Among 10 plants of pansy (Viola Wittrockiana GAMS.) which were grown at Takii's Farm in 1950-51, 3 plants had 2n=55 chromosomes in somatic cells, 3 plants had 2n=52 and the remaining 4 plants 2n=54, 51, 50, and 49, respectively. Furthermore, some chromosomal irregularities were found in meiotic divisions of them.
