26 BULLETINS 01" THE BUREAtJ OF PLAlSTT INDUSTRY. 



* No. 56. Nomenclature of the Apple ; a Catalogue of the Known Va- 



rieties Referred to in American Publications from 1801 

 to 1901. Compiled by W. H. Ragan, Expert in Pomo- 

 logical Nomenclature. 1905. [Additions and Correc- 

 tions. 1905.] 395 pp. Price, 30 cents. 



Contents : Introduction — Code of nomenclature of the American Poniolog- 

 ical Society : Priority ; form of names ; publication ; revision — Key to the 

 abbreviations used in citations of authors and publications : Alphabetical list 

 of abbreviations used in designating the publications quoted — Catalog'ue of the 

 known. varieties of apples referred to in American publications from 180-t to 

 1904 — Index to the American literature of the apple, 1804 to 1904 — Additions 

 and corrections. 



No. 57. Methods Used for Controlling and Reclaiming Sand Dunes. 



By A. S. Hitchcock, Assistant Agrostologist, in Charge of 



Cooperative Experiments. 1901. 36 pp., 9 pis., 9 figs. 



Price, 10 cents. 



Contents : Introduction — Formation of sand dunes : Action of the wind 

 upon drifting sand — Artificial fixation of dunes: Binding the sand; binding 

 by means of grasses ; transplanting ; arrangement of the plantation ; forma- 

 tion of the barrier dune ; binding by means of heather ; laying the heather ; 

 ))inding with sand hedges; forestation — Fixation as observed in Europe: The 

 Ketheriands; coastal dunes; interior dunes; Denmark; Oxbol ; Skagen ; 

 Germany ; France — Summarj' — Description of plates. 



* No. 58. The Vitality and Germination of Seeds. By J. W. T. 



Duvel, Assistant in the Seed Laboratory. 1904. 96 pp., 



2 figs. Price, 10 cents. 



Contents : Introduction — Materials and methods : Seeds ; germination tests 

 and apparatus — Effect of climatic conditions on the vitality of seeds — Causes 

 of the losses in vitality in different climates — Effect of moisture and tempera- 

 ture ujion vitality: Seeds j^acked in ice; eft"ect of moisture on vitality at 

 higher temperatures ; summary — The effect of definite cjuantities of moisture 

 on the vitality of seeds when they are kept within certain known limits of 

 temperature — A comparison of methods of storing and shipjiing seeds in order 

 to protect them from moistiu'e, and consequently to insm-e a better preserva- 

 tion of vitality : Suggestions of earlier investigations ; the necessity for thor- 

 oughly curing- and drying seeds; character of the seed warehouse or storage 

 room ; the value of good seed to the market gardener ; shipping seeds in char- 

 coal, moss. etc. ; nature of the experiments ; disposition of the samples ; 

 results of the germination tests — Experiments in keeping and shipping seeds 

 in special ])ackages — Eespiration of seeds : Summary — Enzymes in seeds and 

 the part they play in the iweservation of vitality — Summary — Literature 

 cited — Index. 



No. 59. Pasture, Meadow, and Forage Crops in Nebraska. By T. L. 

 Lyon, Agriculturist, Nebraska Experiment Station, and 

 A. S. Hitchcock, Assistant Agrostologist, in Charge of 

 Cooperative Experiments, U. S. Department of Agricul- 

 ture. 1904. 64 pp., 6 pis., 8 figs. Price, 10 cents. 



Contents : Introduction — Climatic and soil conditions of Nebraska : Uain- 

 f all ; temperature ; physiography ; soil — Crops — Classification of forage plants : 

 Duration; perennials; annuals; natural groups ; legumes; grasses; miscel- 

 laneous ; methods of utilizing the crops ; pastures ; meadows ; soiling crops ; 

 silage — Results of experiments with grasses and forage plants at the Nebraska 

 Experiment Station : Grasses and forage plants which have given successful 

 results ; brome-grass ; results of cooperative experiments ; alfalfa ; coopera- 

 tive experiments with alfalfa; alfalfa seed from different soiu'ces ; Turkestan 

 alfalfa; Peruvian alfalfa; Samarkand alfalfa; seed from different States; 

 other experiments with alfalfa ; meadow fescue ; orchard grass ; timothy ; 



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