“…Of (a) and (b), (b) is the most difficult problem to address because the collection strategies recommended vary with the type of characters used to study the distribution of genetic variation in populations (Allard, 1970;Bennett, 1970;Qualset, 1975;Brown, 1975, 1981;Tolbert et a!., 1980;Witcombe and Gilani, 1979;Bogyo et a!., 1980;Brown and Munday, 1982). The results of this paper suggest that collection strategies will vary with the character of interest.…”