CONTENTS. Ill 



J[OKTICULTURE. 



Page. 



Vegetable growing in sonthern Arizona, A. J. McClatchie 753 



The liorticultural division, F. W. Card and G. E. Adams 746 



An examination of the behavior of different varieties of strawberries, Duke of 



Bedford and S. U. Pickering 747 



Experiments on different methods of treatment applied to apple trees, Duke 



of Bedford and S. U. Pickering 749 



The formation of fruit buds, G. H. Powell 753 



Pecan culture, H. H. Hume 751 



Artificial pollination of carnations, Amelung 752 



Live covers for country homes, B. D. Halsted 754 



FORESTEY. 



A short account of ihe Big Trees of California 754 



The Big Trees of California, W. R. Dudley 755 



Tree planting in Oklahoma, W. L. Hall 755 



"When increase in thickness begins in trees, G. T. Hastings 755 



Damage to timber by acid fumes, H. S. Graves 756 



SEEDS WEEPS. 



Crimson clover seed, A . .J, Pieters 758 



The germination of seeds from different-sized fruits and from cells containing 



different numbers of seeds, Duke of Bedford and S. U. Pickering 758 



Investigations on germination, L. Maquenne 758 



The effect of calcium hydrate upon germination, E. Windisch 759 



Rice weeds in Louisiana, W. R. Dodson 760 



Charlock spraying, T. H. Middleton 759 



I)ISE.\SES OF PLANTS. 



Upon the after effect of sulphur when applied to soils for the purpose of pre- 

 venting potato scab, H. J. Wheeler, B. L. Hartwell, and N. L. C. Moore 760 



Experiments in the prevention of tomato blights, G. H. Powell 761 



Report on the treatment of apple scab, 1898, F. D. Chester 761 



Peach-leaf curl, its nature and treatment, N. B. Pierce 762 



Treatment for the prevention of brunissure, E. Zacharewicz 763 



Carnation-stem rot, F. W. Card and G. H Adams 763 



Botrytis and Sclerotinia: Their relation to certain plant diseases and to one 



another, R. Y,. Smith 764 



Two diseases of red cedar, caused by Polyporus juniperinus n. sp. and P. 



carneus, H. von Schrenk 765 



ENTOMOLOGY. 



A list of works on North .\merican entomology, N. Banks 774 



Notes on the mosquitoes of the United States, L. O. Howard 768 



On the resting position of Anopheles, L. W. Sambon and G. C. Low 769 



Notes on insect pests from the entomological section, Indian Museum, E. Barlow 770 



Experiments in rearing the San Jose scale, L. Reh 770 



Field experiments with the strawberry root aphis, G. H. Powell 771 



The currant gall mite {Phytoptvs ribin) , Duke of Bedford and S. U. Pickering. . 772 

 Regulations of foreign governments regarding importation of American plants, 



trees, and fruits, I>. O. Howard 775 



Physiological test of hydrocyanic-acid gas on strawberry plants, G. H. Powell. 775 



