55 Kristina, 0200, 041 b2 and 0800; Dutch varieties were Concnrrent, Formosa and Percello; Northern Irish were Liral Prince, Liral Sussex and Stormont Cirrus; The North American was Cascade; Latvian commercial flax under the designations Rota and Riga Kron; The Lithuanian variety Ilguneliai and the German variety Roland. In all variety experiments Hercules was the standard sort. In South Halland Concnrrent was superior to the standard in yield of seed but inferior in yield of straw. Gerda, Margareta and Formosa in 22, 7 and 9 experiments respectively were superior to the standard in both straw and seed. In the south Swedish middle country and on the south Swedish high land the same three varieties were superior to the standard. In the plain country of W. Sweden excluding South Halland Concnrrent was the only equivalent of the standard as regards yield. On the Östgöta plain, in South Bergslagen and the Mälar-Hjälmar districl Concurrent was superior to the standard in yield of seed, while Kristina there gave the highest yield of straw. The outcome of variety experiments in North Bergslagen and Norrland pointed the same way. Up to 1950 in the country as a whole 198 experiments have been undertaken. On the average in these experiments Concurrent was superior to the standard in yield per hectare. In the 79 experiments in which Gerda occurred it proved superior to both Hercules and Concurrent. Formosa occurred in 35 experiments and was superior to Hercules and Concurrent but somewhat inferior to Gerda. Margareta and Kristina in 11 experiments were equal to the standard as regards yield of seed but exceeded all varieties hitherto tested in Sweden in quantity of straw per hectare. In 1949 there were 5 combined variety and nitrogenous fertilizer experiments. In these Gerda paid the cost of manuring best with 1020 kilogrammes of straw and 130 kilo of linseed after a saltpetre application of 200 kilo per hectare. Experiments concerning the quantity of seed indicate 140 kilo per hectare as the normal amount. Experiments on the method of sowing indicate a tendency towards increased yield after buried broadcast performed with a ”goose-foot plough share” compared with sowing with ordinary sowing machines and ordinary distance between the rows. Combined experiments on time of sowing and harvest time seem to show that flax should be sown as early as the state of the ground permits. The harvest should be com-menced when the leaves have fallen off or withered on about half of the stalk and the seed capsules have turned slightly brown. Ingathering experiments showed no decided advantage for any of the methods tested. Pulling experiments comparing machine and hand pulling showed that machine and hand pulling can give equally good results.