1917] CONTENTS. IIT 



Page. 



Preliminary observations on distribution of certain hymenomycetes, Peyronel . . 727 



Studies In the physiology of the fungi, III, Zeller 727 



Studies in the physiology of the fungi, IV, Duggar, Severy, and Schmitz 728 



Microorganisms in silage, Reed and Barber 728 



FIELD CROPS. 



Greneral agriculture, Diffloth 728 



Agronomical investigatoins [at Guam Experiment Station, 1916], Hartenbower. 728 



[Report on field crops work at the Missouri Experiment Station] 730 



Field crops], Watts 732 



The twenty -sixth year of crop experiments, Larsen et al 732 



Report on cultural experiments, 1914-15, Hasund and Borgedal 733 



Experiments with field crops], Sjostrom 733 



Field crops], Burt 734 



Field crops], MacDonald - ._ 734 



Experiments in Denmark with different mixtures of forage plants, Lindhard - - 734 



Pollination and fertilization studies with grasses and legumes, Frandsen 734 



Experiments with bird-foot clover and alfalfa in grass mixtures, Lindhard 735 



GerminabiUty of rice and com as regards temperature and humidity. Da Fano . . 736 



Wheat and rye production in Iowa, Hechler 736 



Plants growing on moor soils as a source of fiber, von Feilitzen 736 



Origin and cultural history of Danish strains of Barres field beet, Helweg 736 



Genetical studies of variegated pericarp in maize, Emerson 737 



Contribution to the study of cotton production and its future, Natta Maglione. . 738 



Studies on oat breeding, V, Zinn and Surface 738 



?'otato cuhnre], Weber and Kleberger 739 



he irrigation of potatoes, Harris 740 



Shallu, or "Egyptian wheat," a late-mat lu-ing variety of sorghiun, Rothgeb. . . 740 



The irrigation of sugar beets, Harris 741 



The weeding of wheat, Rey 74^ 



Effect of heating seeds upon development of wheat, Worobiew 742 



Root-crop seeds. — Harvest and trade of 1915-16, Helweg 742 



Yellow rocket, a dangerous weed, Bessey 742 



HORTICULTURE. 



One thousand hints on vegetable gardening, Croy 742 



[Report of horticultural investiga,tions], Hartenbower 742 



[Progress report on horticultural investigations] 743 



Protection of fruit against late spring frosts, Beeler 744 



[Spray calendars] 744 



Blooming period of the apple in northwest Arkansas, Wicks 744 



The apple grading and packing law enacted by the Delaware Legislature, 1917 . . 745 



Experimental work in cherry orchards in Kent duiing 1915-16, Berry 745 



A census of the peach crop of 1917 in West Virginia, compiled by Somers 745 



Report on fertilizer experiments with cranberries, Schlatter 745 



Spoilage of cranberries after picking. Shear -. 745 



First report on cacao selection in Assinan, Homburg and van Hall 745 



Additional observations on the citrus fruits in the Philippines, Wester 745 



A contribution to the history of the mango in Florida, Wester 746 



The pistachio, Falci 746 



Trees suitable for the farm and for ornamental purposes, Dowsett 746 



Plant materials of decorative gardening: The woody plants, Trelease 746 



Annuals and biennials, Jekyll 746 



Garden flowers of spring, Shaw 746 



Garden flowers of summer, Shaw 746 



Garden flowers of autumn, Shaw 746 



Flowers of winter, indoors and out, Free 746 



The livable house. — Its garden, Dean 746 



How to make concrete garden furniture and accessories, edited by Fallon 746 



FORESTRY. 



General survey of Texas woodlands, including a study of mesqiute, Foster et al . . 747 



Forest resources of eastern Texas, Foster et al 747 



The Patagonian forests, Rothkugel 747 



