NOTES AND NEWS.

Reports on several conferences on weed research. Subjects discussed at the Ninth British Weed Control Conference held in Brighton, England from November 18 to 21, 1968; Information on the Conference on Technological Economics of Crop Protection and Pest Control that will be held by the Pesticides Group of the Society of Chemical Industry at the University of Stirling in Scotland from September 3 to 5, 1969; Overview of the First International Symposium on Flower Bulbs sponsored by the International Society for Horticultural Science in Noordwijk, The Netherlands from March 30 to April 4, 1970.