IV CONTENTS. 



Pa^e. 



Winter-flowering sweet peas at Wisley , 1914-15, Titchmarsh 345 



My growing garden, McFarland 345 



My shrubs, Phillpotta 345 



Report on the street trees of the city of New York, Baker and Francis 345 



FORESTRY. 



A reference li«t of trees, shrubs, and woody plants of Oahu, MacCaughey 345 



The ashes: Their characteristics and management, Sterrett 346 



Shortleaf pine: It3 economic importance and forest management, Mattoon 346 



A note on the cultivation of Podophyllum emodi, Troup 346 



Tapping the Para rubber tree. — Some physiological experiments, Bateson 347 



The natural reproduction of sal and how it can be improved, Hole 347 



Growth and yield of spruce in high mountains, von Guttenberg 347 



Willows: Their growth, use, and importance, Lamb 347 



The compilation of girth increments from sample plat measurements, Troup . . 347 



The Forest Service exhibit, Ellis 347 



First biennial report Nebraska Forestation Commission, Rohde et al 347 



List of lands in tne Forest Preserve, January 1, 1914 347 



Economic phases of forestry with reference to Prussian state forests, Martin 348 



Forest management in Java, past and present, Brainsma 348 



Forestry industry, Kyokwai 348 



Forest products on farms 348 



DISEASES OF PLANTS. 



A bibliography of plant dL^iease prevention, Rees and Macfarlane 348 



A bibliography of nonparasitic diseases of plants, Lantz 348 



Report of the microbiologist, Ashby 348 



Root knot or eel worm attacks new hosts, Melchers 349 



Control of yellow rust, Stranak 349 



A bacterial disease of western wheat grass, O'Gara 349 



Beet blight. Smith 349 



[I^eaf spot of wild celery] 350 



JPossible origin of leaf spot of cultivated celery, Pethybridge 350 



Sclcrotinia libertiana and 5. smilacina on ginseng, Rosenbaum 350 



Studies of the Rhizoctonia disease of potatoes, Corsaut 350 



Disea.ses of sugar beet-j, Fallada 350 



Scald of tobacco plants by Paris green, de Bussy and Dietz 351 



The bacterial bloom and twig blight of fruit trees, Osterwalder 351 



Studies of Monilia blight of fruit trees, Posey 351 



Bacterial canker of cherry and filbert disease, Barss 351 



Utilization of pentoses by Gloinerella cingulata, Hawkins 351 



Apple mildew, Ballard 352 



Coryneum fruit spot of apricot'', Barrett 352 



An established Asiatic Gymnosporangium in Oregon, Jackson 352 



Observations on pnine nist in southern California. Barrett 352 



A Nectria and it-^ Fusarium generation on raspberry roots, Osterwalder 352 



Some sprays for American gooseberry mildew, Hector and .\uld.- 352 



Report* of commission on American gooseberry mildew. Van Doorn et al 352 



Infection of grape by Plnsmopara (Peronospora) I'iticola, Miiller-Thureau 352 



Injury to grape leaves by addition of sulphur to Bordeaux, Osterwalder 353 



Pythiacystis infection of deciduous nursery stock, Smith 353 



Mottled leaf of Citrus species, Barrett 353 



Citrus gummosis and melaxuma, Fawcett 353 



Fruit stain and withertip of citrus, Barrett 354 



Injury to orange trees due to nematodes, Trabut 354 



The Sclerotinia disease of Campanula medium, Osterwalder 354 



Iris leaf blotch disease, Ramsbottom 354 



Two eastern forest diseases which threaten the Pacific States, Mctcalf 354 



Two new hosts for Peridermium pyri/orme, Hedgcock and Long 354 



ECONOMIC ZOOLOGY — ENTOMOLOGY. 



The relation of rodent plague to human infection, Rucker 355 



A plague-like disease of California ground squirrels affecting man, ^\lierry . . . . 355 



Investigations in Peru of verruga and its insect transmission, Townsend 355 



