CONTENTS. m 



Page. 



Parthenogenesis, parthenocarpy, and phenospermy in Nicotiana, Goodspeed . . 136 



The biology of Melampsora lint, Buchheim 136 



Some filamentous fungi tested for cellulose-destrojdng power, Scales 136 



The reaction of bacteriologic culture media, Clark 136 



Differentiation of bacteria by use of indicators, Clark and Lubs 136 



FIELD CROPS. 



Report of the department of farm crops, Owen and Boughner 137 



Cereal investigations on the Belle Fourche experiment farm, Salmon 137 



The continuous growing of wheat and rye, 1914, Lipman et al 138 



Green manuring and cover crops. Brooks 138 



Winter crops, McClelland 138 



FilUng silos, Fitch 138 



Alfalfa in Delaware, Grantham 138 



Alfalfa, McClelland 139 



Biu* clover. Piper and McKee 139 



Experiments with com, Noll 139 



Seed com condition in Pennsylvania, spring of 1912, Gardner 139 



The feeding of cotton, II, WcnXQ 139 



The field pea as a forage crop, Vinall 140 



Factors influencing the protein content of soy beans, Lipman et al 140 



Tobacco investigations, Hibshman 141 



Tobacco experiments, Frear, Hibshman, Olsen, and Kraybill 142 



A test of varieties of wheat, Noll 143 



Report of seed examination, Noll 143 



State seed inspection and weed control, 1914, Stone 143 



HORTICULTURE. 



[Report of horticultural investigations], Blake and Connors 143 



[Report of heredity investigations], Halsted et al 144 



Inheritance studies in garden plants, Owen 146 



Report on strain tests of cabbage, Myers 146 



Strain test of tomatoes. — Historical sketch of the tomato, Myers 146 



Heredity and correlation of structures in tomatoes, Groth 146 



Orchard experiments, 1914, Martin 148 



Fertihzation and cultural methods in apple orchards, Stewart 148 



The influence of cultural methods and cover crops on apples, Stewart 149 



Supplement to Bulletin 121, Stewart 149 



Apple market investigations, 1914-15, Moomaw and Stewart 149 



Peaches for Pennsylvania, Stewart 149 



Peach supply and distribution in 1914, Sherman, Walker, and Martin 149 



The effect of lime on the strawberry, Wright * 150 



Experiments with fertilizers on cranberries, Voorhees 150 



The cultivation of peppermint and spearmint. Van Flete 151 



Pecans: Varieties, influences of climate, soil, and stock on scion, Stuckey 151 



FORESTRY. 



Forestry in the United States at the present day. Tourney 152 



Acts of assembly relating to forests and forestry, edited by Kalbfus 152 



Planting forest trees on idle lands in New York 152 



The northern hardwood forest: Composition and management, Frothingham . . 152 



The trees and shrubs of the Pacific coast, Balfour 152 



Trees of the Cambridge Botanic Garden, Lynch 152 



The rubber plants of southern Italian SomaUland, Scassellati-SforzoUni 152 



Timber physics. — Treaties on timber tests and summary of results, Warren 152 



Problems in kiln drying lumber, Tiemann 152 



Preservative treatment of fence posts, MacDonald 153 



Report on destructive distillation of fir waste. Hunt 153 



Indiana's wood-using industries, compiled by NelUs 153 



DISEASES OF PLANTS. 



Report of the plant pathologist. Cook 153 



Department of botany, Orton 154 



Sulphur arsenical spray injury and its prevention, Stewart 154 



