1917] CONTENTS. HI 



FIELD CROPS. 



Page. 



[Field crops work at the Canada stations and farms in_1914], Crisdale 32 



[Work witn field crops at Canada experimental farms in 1914], Graham et al. . . 33 



Summary report of state cooperative experiment farms, 1915 33 



Cereal experiments at the Akron tield station, Akron, Colo., McMurdo 33 



Cereal experiments at the Judith Basin substation, Mont., Donaldson 33 



A pasture survey in southeastern Ohio, Havrthorne and Montgomery 34 



Irrigation experiment with clover, sugar beets, potatoes, and wheat, Knight... 35 



Varieties of cereal and forage crops and their improvement, Knight 36 



The cultural value and identification of Spanish alfalfa, Gentner 36 



Composition of the maize plant, Ince 36 



Spacing experiment with Egyptian cotton, 1912, Balls and Holton 36 



Sowing-date experiment with Egyptian cotton, 1913, Balls and Holton 37 



Early and midseason potatoes at Wisley, 1915 37 



Sugar beets for factory purposes, Shutt 37 



Sudan grass in Kansas, Thompson 38 



The time to seed wheat in Kansas, Call, Salmon, and Cunningham 38 



Liming the wheat crop, Thorne 38 



Seed analyses made during 1912-1915, Jagger and Stoddard 39 



HORTICULTURE. 



Report from the division of horticulture for 1915, Macoun et al 39 



[State insecticide and fungicide laws] 39 



The relation of fruit growing to soil fertihty , Thompson 39 



[The effect of site on blossom development and frost injury], Church, jr 40 



Orchard rejuvenation in southeastern Ohio, Ballon 40 



Variation of internal structure of apple varieties, Kraus 41 



Pruning peach trees at different heights previous to planting, Blake 41 



A financial statement of the experiment station peach orchard, McCue 42 



Report of cranberry substation for 1915, Franklin 43 



FORESTRY. 



Report of director of forestry of PhiUppine Islands for 1915, Sherfesee 44 



Report on state nurseries and plantations, Brodrick et al 44 



Report of the chief forest fire warden for the year 1915, Wirt 44 



Grass and woodland fires in Texas, Foster 44 



Importance of soil aeration in forestry, Hole 44 



A preliminai-y study on the culture of exotic forest species in Italy, Pa van 45 



Notes on acacia, with description of new species, I, Maiden 45 



Notes on Eucalyptus, with descriptions of new species, IV, Maiden 45 



Eucalyptus australiana n. sp. and its essential oil. Baker and Smith 45 



Notes on the tapping of Para rubber. Freeman 45 



A new steam tree feller, Scrimgeour 45 



Selling woodlot products on Michigan farms, Frothingham 45 



Forest products of Canada, 1915. — Pulpwood 45 



Proceedings of meeting of American Wood Preservers' Association, Angier. 45 



DISEASES OF PLANTS. 



Pathological plant anatomy, Kiister 46 



Tumors in plants. Smith 46 



How to identify infectious plant diseases, Ashby 46 



Report of the division of botany, Giissow 46 



Notes on plant diseases of Connecticut, CUnton 47 



Report on plant protection, Schaffnit and Liistem 47 



Administration report of the government mycologist for 1914-15, McRae 47 



Septoria on barley, Johnson 48 



Occurrence of yellow leaf rust of wheat in Salt Lake Valley, Utah, O'Gara 48 



Cordyceps clavicipitis n. sp. , parasitic on ergot, Ortegren 48 



Califomian thistle rust, Cockayne 48 



The dry rot disease of maize caused by Diplodia zese, van der Bijl 48 



Powdery scab of potato, Clinton 48 



Seed and soil disinfectants for Rhizoctonia disease, Morse and Shapovalov 49 



