110 KANSAS UNIVERSITY QUARTERLY. 



Golden willow, Bull. 12, U. S. Dept. Agr., Div. Ent., p. 13. 



Rocky Mountain dwarf cherry, ibid. 



Flowering quince, ibid. 



Japanese quince, ibid. 



Strawberry, ibid. 



Black currant, ibid. 



Lombardy poplar, ibid. 



Carolina poplar, ibid. 



Golden-leaved poplar, ibid. 



Silver maple, ibid. 



Cut-leaved birch, ibid. 



Mountain ash, ibid. 



Milkweed, ibid. 



Catalpa speciosa, ibid. 



Actinidia, ibid. 



Citrus trifoliata, ibid. 



Red dogwood, ibid. 



Snowball, ViburniDii, ibid. 



Juneberry, ibid. 



Lioquat, ibid. 



Laurel, ibid. 



Akebia, ibid. 



White currant, Lochhead, Ont. Dept. Agr., p. 31, Mar. 1900. 



White ash, ibid. 



Ornamental birch, ibid. 



Maple leaf, ibid. 



Rhubarb, ibid. 



Hemp, ibid. 



Lamb's- quarters, ibid. 



Garden knotweed, ibid. 



Mustard, ibid. 



Beggar-ticks, ibid. 



Goose-foot, ibid. 



Ragweed, ibid. 



Sunflower, ibid. 



Weeping willow, Smith, Rept. N. J. Agr. Col. Exp. Sta., p. 547, 1896. 



Laurel-leaved willow, ibid. 



Kilmarnock willow, ibid. 



Linden, ibid. 



English walnut, ibid. 



Flowering currant, ibid. 



Euonymus, ibid. 



Gooseberry, ibid. 



Persimmon, Ebenacete, ibid. 



Acacia, Leguminoseae, ibid. 



Elm, ibid. 



Osage orange, ibid. 



Pecan, ibid. 



Hickory, ibid. 



Alder, ibid. 



Chestnut, ibid. 



Oak, ibid. 



