The Botany of Iceland - 01.12.1916, Qupperneq 48

392
ERNST 0STRUP
Apart from tlie months, January, March and October, in which
less than 37 samples are present, the rest must be placed in the
following order, according to their percentages: September 45, April
43, May 38, June 35, August 27, July 21.
This shows, that the number of the characterising forins in-
creases witli July in both directions.