CONTENTS. m 



Page. 



The anthocyan pigments and their production in plants, Everest 223 



Hydrotropism in roots of Lupinus albus, Hooker, jr 223 



Exchange of ions between L. albus and culture solutions, True and Bartlett. . . 224 



Exchange of ions between L. albus and culture solutions, True and Bartlett. . . 224 



On alfalfa laccase, Bunzel 225 



The germinability of hard leguminous seeds, Pugliese 225 



Sex characters of some abnormal Begonia flowers. Bond 225 



Factors influencing flower size in Nicotiana, Goodspeed and Clausen 225 



On the origin and behavior of CEnothera rubricalyx, Gates. ._ 226 



Note on the inheritance of heterostylism in Primula acaulis, Gregory 226 



On variegation in Primula sinensis, Gregory 226 



Parthenocarpy in fruits, Osterwalder 226 



New or noteworthy grasses, Hitchcock 226 



A study of soil fungi from Norway, Traaen 226 



An automatic transpiration scale of large capacity, Briggs and Shantz 226 



FIELD CROPS. 



[Cultivation of field crops] 227 



[Report of field crop experiments] 227 



Forage crops, Ricks 227 



[Field crop experiments at the Nebraska Station] 228 



[Report of the department of agronomy], Withycombe 228 



Work of Scottsbluff reclamation project experiment farm in 1914. Knorr 228 



[Agronomic] work of Yuma reclamation project experiment farm in 1914, Blair. 229 



Influence of cultivation on composition of cereals, Tretiakov 230 



Natural wheat-rye hybrids, Leighty _ 230 



Winter grain in South Dakota, Hume, Champlin, and Morrison 230 



Variety test potatoes, Gaskill 231 



Experiments in the cultivation of rice at Maha Iluppallama, Harbord 231 



HORTICULTURE. 



■Report of horticultural investigations], Withycombe 231 



Horticultural investigations on Scottsbluff reclamation project, 1914], Knorr. . 231 



Horticultural investigations at Yuma experiment farm, 1914], Blair 231 



^Notes on Egyptian horticulture], Brown _ 232 



Report on the Government Horticultural Gardens, Lucknow, 1915, Davies 232 



The Florida plant act of 1915 ., 232 



Standard insecticides and fungicides v. secret preparations. Gray 232 



Raising cabbage seed, Wilkinson 232 



Winter rhubarb, culture and marketing. Bland 232 



Papago sweet corn, a new variety, Freeman 232 



Further experiments on parthenogenesis in tomatoes, Hostermann 233 



Fruit culture for South Carolina, Niven 233 



Pollination of fruit trees: Observations and experiments, Middlebrooke 233 



The analyses and classification of cider apples, Truelle 233 



The cost of producing apples in Maine in 1914, Gardner 233 



Seedless pears resulting from late frosts, Hostermann 234 



A page of viticultural meteorology, Marescalchi 234 



Grape pruning: The spur and long cane systems compared, Maney 234 



Inheritance of certain characters of grapes, Hedrick and Anthony 234 



The green grapes of direct bearers, Ravaz and Obiedoff 234 



Hybrid direct bearers in C6tes-du-Nord in 1914, DesmouLins and Villard. .... 234 



Observations on direct bearers in the Vaudois vineyards, Faes and Porchet — 234 



Vine gi'owing in Italy, CettoUni 235 



Raisin making, Bioletti 235 



Temperature of irrigation water as affecting citrus seedlings, Lipman 235 



Handling and shipping citrus fruits in the Gulf States, Ramsey 235 



Maturity in oranges, Coit _. 235 



Microcitrus. a new genus of Australian citrus fruits. Swingle 235 



Experiments on manuring tea seedlings, Carpenter and Andrews 236 



Some abnormalities of the coconut palm, Petch 236 



Walnut mutant investigations, Babcock 236 



Walnut culture in Arizona, Thornber 236 



The cultivation of medicinal plants, Kilmer 236 



