CONTENTS. Ill 



FIELD CROPS. 



Page. 



The rotation of crops, Hays et al 435 



Report of the work at the Holly Springs Station for 1907, Ames 436 



The work of the San Antonio experiment farm in 1907, Headley and Hastings. 436 



Change of vegetation on the south Texas prairies, Cook 437 



Dry-land agriculture 437 



Dry-land grains, Jardine 437 



Alfalfa 437 



Winter bur clover, \Yelborn 439 



Cotton experiments, 1907, Perkins 439 



Danger in judging cotton varieties by lint percentages, Cook 439 



Progress of the beet-sugar industry in the United States in 1907 441 



Sugar beets in Virginia, EUett 441 



Varieties of cane, with special reference to nomenclature, Deerr and Eckart. . 442 



Cooperative wheat variety work 442 



HORTICULTURE. 



Handbook of fruit culture, Gaucher 442 



On the virgin fertility of fruit trees, Glatz 442 



The grape in the various stages of maturity, Kelhofer, trans, by Zardetli 443 



On some experience in hybridizing grapes, Grimaldi 443 



Viticultural notes, Blin 443 



Influence of grafting on quality of wines in Anjou, Marquis de Dreux-Breze. . 443 



Bearing hybrids (grapes) and their wines in 1907, Pee-Laby 443 



Statistics on grape and olive products for the year 1907 444 



Observations on the various forms of fig {Ficus carica), Leclerc du Sablon 444 



Observations on change of sex in Carica papaya, lorns 444 



Cacao preparation, and fermentation of coffee and tobacco, Schulle 445 



The unheated greenhouse, Davidson 445 



FORESTRY. 



North American trees, Britton and Shafer 446 



Wayside and woodland trees. Step 446 



The conifers and other gymnosperms, Neger 446 



Observations on the species grown by the Section of Streams and Forests, Albert. 446 



The manna gum (Eucalyptus viminalis), Albert 446 



The red gum (Eucalyptus resinifera), Albert 447 



The Australian blackwood (Acacia melanoxylon), Albert 4i7 



Shelter planting, with special reference to the Acacia and Eucalyptus, Barrett. 447 



Type and variability in the annual wood increment of Acer rubrum, Dachnowski . 447 



Preliminary note on development of sal in volume and money value, Caccia. 447 



Native and planted timber of Iowa, Baker 447 



Cooperative forestry work, Green and Secrest 448 



National forests with related projects and data ■ 448 



Report of the departmental committee on Irish forestry, Gill et al 448 



Departmental committee on Irish forestry 448 



Progress report of forest administration in Baluchistan for 1906-7, Singh et al. 448 



Report of forest circles in Bombay Presidency, including Sind, 1906-7 449 



Reports of the forest administration in Burma for the year 1906-7 449 



The preservative treatment of loblolly pine cross-arms, Sherfesee 449 



Exports and imports of forest products: 1907, Pierson 449 



Turpentine and rosin 449 



Investigation of Manihot rubber, Schellmann 449 



DISEASES OF PLANTS. 



Seed treatment for the smuts of winter barlev, Heald 450 



Cotton wilt, Orton ". 450 



The potato rot, Gandara 450 



Spongospora solani, or corky scab, Johnson 450 



A disease of sea-kale, Salmon 451 



Some tomato fruit rots during 1907, Pool 451 



A root rot of grapes due to Pestalozzia ii ricola, Wolf 451 



Arsenif-al poisoning of fruit trees, Ileadden 452 



The Fusicladium disease of the pear and apple, Lounsbury 452 



