IV CONTENTS. 



Page. 



Some effects of selection on production of alkaloids in belladonna, Sievers 237 



The cultivation and distillation of wormwood in Wisconsin. Kremers 237 



Changes of color and structure of flowers by remo-ving sunlight, Rawson 237 



On pressing flowers to retain their colors, Fothergill 237 



The evolution of the cultivated chrysanthemum 237 



Garden gladioli, Hottes 237 



The inheritance of doubleness in Matthiola and Petunia, I, Frost 237 



Specific and varietal characters in annual sunflowers, Cockerel] 237 



Sweet peas, Wright 238 



Our house plants and their culture. Schaefer 238 



Continuous bloom in America. Shelton 238 



The well-considered garden. King 238 



A reading list on flower gardening, including lawns, trees, and shrubs 238 



How to lay out suburban home grounds, Kellaway 238 



Planting to attract birds 238 



FOHESTRY. 



Cooperation in forestry, Fernow 238 



Essential features of successful fire protection organization, MacMillan 238 



The working plan of the St. Maurice Protective Association, Sorgius 238 



Forestry situation in Quebec, Pich6 239 



Report of the director of forests, Jolly 239 



Quinquennial review of forest administration in British India to 1913-14 239 



Forest service in Netherlands East India 239 



The first forest reconnois-sance in west and north Sumatra, Plasschaert 239 



Report on the knowledge of the forests of Preanger, Kerbert 239 



Timber in Canada, Campbell 239 



The betel-nut palm and its cultivation in North Kanara, Kelkar 239 



Cinchona 239 



Dhauri (Lagcrstrcemia parviflora), Benskin 239 



Blackwood {Dalbergia latijolia), Benskin 240 



Note on sundri timber {Ueritkra minor), Pearson 240 



Seasonal variations in storage of plant food in ITevea brasilumsis, Campbell 240 



Preservation of railway ties, Wicksteed 240 



DISEASES OF PLANTS. 



[Notes from the California Station on miscellaneous plant diseases] 240 



Report on economic mycology, Salmon et al 241 



Annual report of di\'ision of botany, 1913-14, Evans. 241 



The probable nonvalidity of the genera Botryodiplodia, Diplediella, Chaeto- 



diplodia, and Lasiodiplodia, Taubonhaus 242 



The biology of Piiccinia arcnariie, Wille 242 



New Chinese fungi, I, Miyake 242 



Parasitism of Coniandra umbellata, Hedgcock 242 



The effects of illuminating gas on root systems, Harvey and Rose 243 



Fungicidal and insecticidal action of hot water and copper sprays, Semichon. . 243 



Mildew of cereals (Scelerospora mocrospora) in France, Arnaiui 243 



The action of the sulphuric acid on stalk disease of wheat, Capus 244 



Infection experiments with timothy rust, Stakman and Jensen 244 



A heart rot of celery caused by bacteria, Wormald 244 



Dissemination of bacterial wilt of cucurbits. Rand 244 



Some ginseng troubles, Bessey and McClintock 244 



Experiments on the control of the root-knot nematode, McClintock 245 



AUcrnaria panax, cause of a root rot of ginseng, Rosenbaum and Zinnmeister. . 245 



Some potato tuber rots caused by species of Fusarium, Carpenter 246 



Germination and infection with the fungus of late blight of potatoes, Melhus. . 246 



The control of potato diseases, Gussow 247 



Distribution of the \iru3 of the mosaic disease in tobacco plants, AUard 247 



Fungus and other diseases of the apple and pear, Darnell-Smith and Mackinnon. 247 



Collar blight and related forms of fire blight, Orton and Adams 247 



A bacterial disease of stone fruits, Rolfs 248 



Little leaf 248 



Fall spraying for peach leaf curl, Reddick and Toan 248 



PreLiiiiinary note on a disease of Carica papaya, Nowell 249 



