CONTENTS. Ill 



Page. 

 Cooperative grass and forage plant investigations with State experiment sta- 

 tions, T. A. Williams 935 



Collection and distribution of grass seed — field work 941 



Experiment in tojj-dressing grass land, H. J. Wheeler and J. A. Tillinghast 935 



Reports on various seeds and plants included in the university distribution, 



E. J. Wickson 936 



Note on the growth of lupines on calcareous lands, E. W. Hilgard 936 



Potato experiments 937 



Experiments on potatoes in Yorkshire 937 



The influence of water and fertilizers on the composition of the ash of the 



potato, A. von Daszewski and B. Tollens 938 



Sorghum, G. W. Shaw 942 



Culture of resistant, nonseed producing sugar beets, J.Wendenbusch 938 



Sugar beets in 1897, M. E. Jaffa 942 



Tobacco culture experiments in Russia, P. Lomonosov 939 



Nicotin in California-grown tobaccos, G. E. Colby 943 



The basis for the improvement of American wheats, M. A. Carleton 939 



Wheat, J. S. Newman and J. S. Pickett 943 



HORTICULTURE. 



Horticulture from an educational standpoint, F. W. Card 952 



Horticultural division, F. W. Card and G. E. Adams 944 



Report on the substations, C. H. Shinn 945 



California apples, G. E. Colby 946 



The condition of success with grafts, L. Daniel 947 



Distribution of seeds, plants, cuttings, etc. , E. J. Wickson 954 



FORESTRY. 



The protection of shade trees in towns and cities 957 



Report of the forestry substations, C. H. Shinn 954 



Forest reserves, H. Gannett 955 



The forest nursery, G. B. Sudworth 956 



The Minnesota forestry plan, J. N. Cross. 956 



The forests of Saxony 956 



Forests in the Grand Duchy of Baden 957 



SEEDS WEEDS. 



Clover seeds and their impurities, F. H. Hillman 959 



Experiments in preserving forest-tree seeds 959 



The effect of hydrocyanic-acid gas upon the germination of seeds, C. 0. Town- 

 send 959 



The germination of ripe and half-ripe dodder seed, W. Kinzel 960 



Destruction of weeds in fields of cereals, C. Dusserre . - 960 



DISEASES OP PLANTS. 



Specimens received for examination by the bacteriological laboratory, F. T. 



Bioletti 961 



Concentric spore spots, B. D. Halsted 961 



The asparagus rust in Iowa, L. H. Pammel and E. R. Hodson 962 



Field experiments with tomato rot, F. S. Earle 962 



The brown rot of peaches, plums, and other fruits, A. L. Quaintance 962 



The leaf-spot disease of cherry trees, Miiller-Thurgau 963 



The olive knot, F. T. Bioletti 965 



