Inventory of seeds and plants imported by the office of foreign seed and plant introduction during the period from april 1to june 30, 1917
Inventory of seeds and plants imported by the office of foreign seed and plant introduction during the period from april 1to june 30, 1917 - Washington 1922 - 1-100 p. - Plant, Seed U.S. Department of Agriculture, Bureau of Plant Industry. Bulletin No. 51 Nos. 44446 to 44934 .