IV 



CONTENTS. 



[Vol. 36 



Page. 



Report on the Imperial NiMtsky Orchard in-1912 741 



Apple growing 741 



The apple in Canada, its cultivation and improvement, Macoun 741 



Harvesting, packing, and marketing the apple crop. Mason 742 



Sending apples by parcel post, Thayer 742 



The native pears oi North Africa, Trabut 742 



Problems and opportunities in the fig industry, Coit 742 



Statistics on the production of grapes in 1916 742 



Tropical pomology. — A new field for horticulturists, Popenoe 742 



The navel orange of Bahia; notes on Brazilian fruits, Dorsett et al 743 



The use of commercial fertilizers, Breazeale 743 



The pomegranate, Hodgson 743 



Planting pecans, budding, grafting, and transplanting pecan trees, Evans 743 



Profitable herb growing and collecting, Teetgen 743 



Poppy culture and the production of opium in Valladolid, Benaiges de Aris. . 743 



The dahlia, Peacock 743 



Parks: Their design, equipment, and use, Burnap 743 



The food garden, Rowles 743 



From garden to pantry, De Lissa 744 



Vegetable growing, Boyle 744 



Report of bureau of insecticides and fungicides for 1915, Johnson et al 744 



POKESTRY. 



Forest terminology 744 



The situation, Femow 744 



Sixth biennial report of the state forester of Oalifomia, Homans 744 



Biennial report of the forestry commission for 1915-16, Brown et al 744 



Division of forestry and parks. Moody 744 



Continuous forest production of privately owned timber lands, Kirkland 744 



Farm woodlot timber: Its uses and principal markets, Lamb. 745 



Trees planted by new machine replace railway snow fences, Smith 745 



The Christmas tree industry, Secrest 745 



The greenheart of commerce, Mell 745 



True mahogany, Mell 745 



Contribution to the knowledge of red quebracho, Galarza. 745 



Lumbering in the sugar and yellow pine region of Oalifomia, Berry 745 



Annotated list of the forest trees of the Hawaiian archipelago, MacCaughey 745 



British-grown timber and timber trees, Webster 746 



DISEASES OF PLANTS. 



[Report of the research assistant in plant pathology]. Coons 746 



[Plant diseases in Uganda, 1915], Fyffe 746 



Phytopathological work in the Tropics, Johnston 746 



Hetercecism of Peridermium harJcncssii and Cronartium quercus, Fromme 746 



Studies of the genus Phytophthora, Rosenbaum 747 



Mechanism of tumor growth in crown gall. Smith. 747 



Intoxicating bread, Naumov 747 



Glume rust of wheat, Berthault 747 



Crown gall of alfalfa in France, Amaud 747 



Diseases of asparagus and of melon, Amaud 748 



Fungus and bacterial diseases of clover, lachevskii (Jaczewski) 748 



A new disease of the flowers of red clover, Bondartsev (Bondarzew) 748 



Relation of soil temperature to infection of flax by Fusarium lini, Tisdale 748 



[Report of the assistant in plant pathology], Muncie 748 



Celery leaf spot 748 



A collar disease of pea, Gu^guen 749 



Reappearance of Phytophthora infestans diiring growth of potato, Eriksson 749 



A Melanconium parasitic on the tomato, Tisdale 749 



A parasitic saccharomycete of the tomato, Schneider 749 



A note on Phytophthora infestans occurring on tomatoes, Wiltshire 749 



Spraying and dusting tomatoes, Fromme and Thomas 750 



Dusting and spraying nursery stock, Stewait 750 



A black rot of apples, Spinks 750 



A spot disease of apples, Barker 750 



Fimgus and other diseases of stone fruits, Darnell-Smith and Mackinnon 750 



