1918.] CONTENTS. Ill 



Page. 



Silage investigations, Eckles and Wing 636 



Silage crops for western Washington, Stookey 637 



Names of textile plant fibers, DWey 637 



Crotalaria usaramoensis as a green manure, van Helten 637 



The improvement of the jute crop by pm-e-line selection, Finlow 637 



New grasses for California. — I, Phalaris stenoptera, Kennedy 637 



The after-ripening of cane. — Chemical changes after cutting, Barnes 637 



Behavior of sweet potatoes in the ground, liasselbring 637 



Tobacco culture in Egypt, Mosseri 638 



Structure of pod and seed of Georgia velvet bean, Piper and Shull 638 



Seed Keporter 639 



HORTICULTURE. 



[Progress report on horticultural investigations] 639 



[Report of horticultural investigations] 640 



Report from the division of horticulture for 1916, Macoun et al 641 



Soil management investigations in a young apple orchard, Woodbury et al 641 



Varieties and culture of cane fruits in western Washington, Stahl 643 



Shall I plant a garden this year? Lloyd 643 



Insecticides and fungicides, Shutt 643 



FORESTRY. 



Forestry and the war, Femow 643 



An inventory of Florida's forests and the outlook for the future. Harper 643 



Third biennial report of the State forester of Colorado, Morrill 643 



[Progress report on forestry investigations] 644 



Report on forestry of Hawaiian Sugar Planters' Association, Thurston et al 644 



Relation of stimuli to the cone production of western hemlock, Watson 644 



Growth and management of pinon in New Mexico, Chapman and Behre 644 



Guide book for identification of woods used for ties and timbers, Koehler 645 



Valuation of damages to immature timber, Sparhawk 645 



First-aid manual for field parties. Barker 645 



DISEASES OF PLANTS. 



[Report of the department of] botany, Reed 645 



[Notes on plant diseases] 646 



Report from the division of botany, Giissow et al 646 



Annual report of the mycologist, Dowson 646 



[Plant diseases, Bombay Presidency], Bums 647 



[The effect of defoliation, of gases, and of fimgi on plants], Ewert 647 



Normal parasitism and microbiose, Galippe 647 



New Japanese fungi. — Notes and translations, I, Tanaka 648 



Chemically induced crown galls. Smith 648 



Cereal smuts, Sch0yen 648 



Truck crop diseases and how to control them, Vaughn 648 



Treatment of Rhizoctonia disease of asparagus, Barker and Gimingham 648 



Early and late bUght of potatoes — cause and methods of control. Woodman 649 



Odontia sacchari and 0. saccharicola, n. spp., on sugar cane, Burt 649 



Mosaic disease of tobacco, Chapman 649 



A black rot of apples, Spinks 649 



Apple leaf scorch, Barker and Gimingham 649 



A spot disease of apples, Spinks 650 



A gummosis of apricot, Peglion 650 



Observations on pear blight in Illinois, Stevens et al 650 



A root rot of black currants, Spinks 650 



"Reversion " of black currants, Leea 650 



Grape downy mildew, Girard 651 



Sulphur mixtures for treating Oidium, Ravaz 651 



Studies on the diseases of the mulberry, Arnaud 651 



Visit to Upper Rewa to investigate leaf diseases of the banana, Knowles 651 



WaLaut diseases, Parmentier 651 



Dying of young pines in circles about ant hills, Haasis 651 



Summary of blister rust situation in Massachusetts, Fernald 651 



White pine blister rust 652 



Pure cultures of wood-rotting fungi on artificial media. Long and Harsch 652 



