IV CONTENTS. 



HORTICULTURE. 



Page. 



Report of Wobum Experimental Farm, Duke of Bedford and Pickering 639 



Agrologic conditions in relation to asparagus culture 640 



Tomatoes. — I, Varieties, culture, and canning, Stuckey and Temple 640 



The forced curing of lemons as practiced in California, Sievers and True 641 



The cultivation and manufacture of tea in the United States, Mitchell 641 



Coconut cultivation in the West Indies 642 



Cocoa production and trade 642 



fo'restry. 



Tolerance of eucalyptus for alkali, Loughridge 642 



British trees, including shrubs for garden and woodland, Johns, edited by Cook. 642 



Seeds and seedlings of trees and shrubs in France. — I, Conifers, Hickel 642 



Forest species of western Morocco, Brives 643 



An isolated prairie grove and its phytogeographical significance, Gleason 643 



Timber conditions along the Hudson Bay Railway, Dickson and Proctor 643 



The forests and ligneous plants of Eritrea, Fiori _. ._._ 643 



Timely forest topics with special reference to forestry in Baden, Philipp 643 



The most suitable size for forest ranges in Wurttemberg, Womle 643 



[Report on forestry] _- 643 



Report on state forest administration in South Australia, 1910-11, Gill 643 



Forest conservancy, Campbell 643 



Facings, Champsaur 643 



Forest surveying: A text-book and manual, Schill 644 



Wood used by the manufacturers in Canada, 1910, MacMillan et al 644 



The preservation of power transmission poles, Wheaton 644 



Treating seasoned v. unseasoned ties, Angier 644 



The evaporation of creosote and crude oils, Fredendoll 644 



Scientific management of timber treating plants, Burkhalter 644 



DISEASES OF PLANTS. 



A plant disease survey in the vicinity of San Antonio, Tex., Heald and Wolf. . 645 



The smut fungi of Switzerland, Schellenberg 645 



Cultures of Urediness in 1911, Arthur 645 



Variations in Glomerella, Shear 645 



Plus and minus strains in an ascomycete, Edgerton 645 



On some resemblances of crown gall to human cancer. Smith 646 



The relation of stem diseases to soils, Ewert 646 



Report of the bacteriologist, Sackett ^ 646 



A revision of the North American species of Puccinia on Carex, Kern and Fitch. . 646 



Sclerotiuvi rhizodes on Calamagrostis canadensis, Stout 646 



Infection experiments with powdery mildew of wheat, Reed 646 



On the rust of wheat {Puccinia gluviarum), Szekacs 647 



A new root disease of malt, Schnegg _. 647 



Investigations on Sclerotinia libertiana, Westerdijk 647 



Cotton anthracnose, Barre 647 



The detection of anthracnose in cotton seed, Barre and AuU , jr 648 



The leaf-roll disease of potatoes in Saxony, 1910, Stormer and Morgenthaler. . 648 



On potato rot, Kuhl 648 



Combating diseases and insect pests affecting the sugar beet 648 



Blossom end rot of tomatoes, Stuckey and Temple 648 



Tomato diseases. Stone 649 



The effect of Gymnosporangium upon apple leaves, Reed and Cooley 649 



The history and cause of the coconut bud rot, Johnston 649 



A bacterial disease of vanilla, Pavarino 649 



Investigations on hollyhock rust, Eriksson 650 



The perfect stage of the rose Actinonema, Wolf 650 



A bacterial disease of tropical orchids, Hori 650 



The influence of Uromyccs pisi upon Euphorbia cyparissias, Tischler 650 



A leaf disease of Hevea in Surinam, Kuyper 651 



The chestnut tree disease, Manson 651 



Pine leaf cast, Haack 651 



Leaf cast and nativity of the pine, Mayr - 651 



Notes on Cronartium ribicola, Spauldtng , 651 



