IV CONTENTS. 



Page. 



The formation of the sugars and starch in the sweet potato, Keitt 534 



Experiments in crossing tiu-nips, Wilson 535 



Weeds in relation to soils, Brenchley 536 



HORTICULTURE. 



A new method of forcing plants, Parkinson 536 



Report of the professor of pomology, Crow 536 



Garden notes, ]910, Bennett 537 



Production of a white bean lacking the factor for total pigmentation, Emerson. . 537 



Cultural experiments with cabbage in 1910, Huber et al 537 



Manurial constituents taken from the soil by a crop of cauliflower, Harcourt 537 



The cultivation, production, preparation, and utilization of castor seed 537 



Experiments on the storage of onions 537 



Observations on the blossoming of our hardy cultivated fruits, Hooper 537 



Selecting an orchard site. Booth 538 



Notes on a dry-land orchard, Payne 538 



Thinning the Winesap. — Winter and frost injuries of fruit trees, Herrick 538 



Protecting trees from rabbits, Mooring 538 



Orchard sprajdng problems and experiments, Bonus 538 



Spraying experiments, Bethune 539 



Lime-sulphur, its use as a fungicide and an insecticide, O'Gara 540 



Spray calendar, Lovett 540 



Sprajing calendar for 1911, Beattie and Melander 540 



Promising new fruits, Taylor 540 



Commercial apple orcharding in Ohio, Gossard 540 



The Colorado raspberry industry, Herrick and Bennett 540 



The mango in Florida, Rolfs. . ." 540 



The precooling of fruit, Stubenrauch and Dennis 540 



Cooperation among fruit growers, Chandler 540 



Cooperation in the handling and marketing of fruit, Powell 541 



The existing duties on fruit as compared with the future new tariff agreement. . 541 



Notes on soil and plant sanitation on cacao and rubber estates. Smith 541 



Camphor cultivation in the United States, Hood and True 541 



Report of the professor of landscape gardening, Hutt 541 



Trees and gardens and the general improvement of school grounds 542 



Permanent lawns for the South, Newman 542 



Color inheritance in the petunia, Westgate 542 



Fertilizers for the florist, Dorner 542 



FORESTRY. 



Forest conditions in Illinois, Hall and Ingall 543 



Report of the State forester. Spring 543 



Report of the professor of forestry, Zavitz 543 



Reports on the forest administration in Burma Tor the year 1909-10 543 



Micrography of the woods of Javanese trees, Moll and Janssonius 543 



Chaparral. — Studies in southern California, Plummer 543 



The management of second-growth sprout forests. Graves 544 



Treatment of artificial tree plantations, Secrest 544 



Fire prevention and control on the National Forests, Silcox 544 



Progress in saving forest waste, Hall 544 



National problems affecting the lumber industry 544 



Rubber and gutta-percha, Tassilly 544 



The germination of Hevea seeds 544 



Ceara rubber 545 



DISEASES OF PLANTS. 



Report of the botanist for 1909 and 1910, Clinton 545 



Fungi and plant pathology, McCready 546 



Four little-kno^vn British fungi. Grove 546 



Studies on Corticium javanicinn, Rant 546 



[Pear blight and alfalfa leaf spot], Edwards 547 



Khizoctonia medicaginis in America, Heald 547 



New hosts for Sderospora maa-ospora, Severini 54/ 



