XIV 



Page. 

 Report of vegetable physiologist of Massachusetts State Station for 1889, J. E. 



Humphrey 580 



The acquisition of atmospheric nitrogen by plants, W. O, Atwater and C. D. 



Woods 396 



Germination of the Jerusalem artichoke {Helianthus tuhemsm), J. K. Circeu 456 



Transformationof the alkaloids during germination, E. llejkel 456 



Formation of nitrites in plants, Serno 456 



Recent investigations concerning the organisms of nitrification, S. Wino^radskv- 751 



Nature of the root tubercles of leguminous plants, H. W. Conn 686 



Noteson grain smuts, J. C. Arthur 133 



Grain smuts, II. L. Bolley 740 



Loose smut of cereals, W. A. Kellerman and W. T. Swingle 342 



Loose smut of oats, J. C. Arthur 637 



Additional experiments and observations on oat smut, W. A. Kellerai.in and W. 



T. Swingle 638 



Our rusted and blighted wheat, oats, and barley in 1890, R. P. Speer 213 



Smut in wheat, J. F. Hickman 252 



The smut of Indian corn, C. E. Bessey 606 



Smut on sorghum at Kansas Station, G. H. Failyer and J. T. Willard 722 



A new root- rot disease of cotton, G. F. Atkinson 547 



Cotton root rot, L. H. Pammel 514 



Potato rot, F. L. Harvey 650 



Potato scab, R. Thaxter 490 



Notes on the black rot of grapes, M. H. Beckwith 322 



A botanical description of the black rot of grapes, F. D. Chester 322 



Observations on peach yellows, S, T. Maynard 104 



Peach yellows, culture tests, F. D. Chester 322 



Peach yellows, L. H. Bailey 508 



Applescab, F. L. Harvey.. 651 



Noteson the leaf blight of the quince and on apple scab, W. R. Dudley 502 



The black knot of plum and cherry, B. D. Halsted 501 



Black knot on plums, G. C. Butz . 606 



Strawberry leaf blight, H. Garman 405 



Some fungous diseases of the sweet-potato, B. D. Halsted 416 



Some fungous diseases of spinach, B, D. Halsted 241 



Diseases of alfalfa, F. D. Chester 322 



The clover rust, J. K. Howell 421 



Hollyhock rust, W. R. Dudley 504 



A disease of the hollyhock, C. E. Hunn 599 



The Connecticut species of Gymnoi^porangiiim (cedar apples), R. Thaxter 711 



List of parasitic fungi, F. L. Harvey 650 



Some parasitic fungi of Texas, U.S. Jennings 175 



Saccharine substances contained in fungi, M. R. Ferry 457 



Fungous diseases of plants and their remedies, C. M. Weed.. 169 



Preliminary experiments with fungicides for stinking smut of wheat, W. A. Kel- 

 lerman and W. T. Swingle 220 



Treatment of smut in wheat, J. C. Arthur 325 



Treatment of potatoes with lime for the prevention of rot, W. P. Brooks 407 



Test of fungicides for potato scab, L. R. Taft 61 



Experiments with fungicides on potatoes, S. T. Maynard 24 



An experiment in preventing the injuries of p;)tato blight, C. M. Weed 293 



Spraying with sulphide of potassium lor the scab of the pear, F. D. Chester 49, 322 



