268 The Principles of Vegetable 'Gardening 



NORTH DAKOTA. 



No. 30. Preliminary report upon the selection of potatoes for 

 planting. 



No. 36. A study of the root systems of corn and potatoes. 

 No. 37. Prevention of potato scab. 



OHIO. 



No. 76. Potatoes. 



No. 77. Chinch bug, etc. 



No. 89. Prevalent diseases of cucumbers, melons and toma- 

 toes. 



No. 96. Army worm and other insects. 



No. 102. Seed and soil treatment and spray calendar. 



No. 105. Further studies of cucumber, melon and tomato dis 



, eases, with experiments. 

 No. 106. Experiments with insecticides. 



OREGON. 



No. 48. Spraying. 

 No. 49. Paris green. 



PENNSYLVANIA. 



No. 39. Potatoes. Annual reports — various articles. 



RHODE ISLAND 



No. 43. Additional tests of garden seeds. 

 No. 44. Celery. 



No. 52. Suggestions as to spraying. 



No. 55. Forcing rhubarb. 



1897. Report — Garden lettuce and its cultivation; classi- 

 fication and description of varieties of garden let- 

 tuce ; asparagus rust. 



SOUTH CAROLINA. 



No. 28. The sweet potato as a starch producer. 



No. 36. Diseases of plants. 



No. 38. Asparagus rust in South Carolina. 



SOUTH DAKOTA. 



No. 57. Injurious insects. 



No. 59. Forage and garden crops in the James river valley. 

 No. 61. Forage and garden crops in the James river valley. 



