LIST AND CONTENTS OF BULLETINS 1 TO 100. 21 



*No. 41. The Commercial Grading of Corn. V^y Carl S. Scofield, 



Expert, Grain Investigations. 1903. 24 pp., 4 pis. 



Price, 10 cents. 



Contents : Introduction — Inspection departments — Grain j^rading : Corn — 

 Definite <;rade standards — Grade uniformity— Essential elements in g'rading 

 corn— Apparatus required — ^Methods of determination: Moisture; color; 

 damaged grains ; In-olvem grains and dirt — Classes and grades of corn — In- 

 spection certificates — The cause of deterioration — Local and special grades — 

 Description of plates. 



* No. 42. Three New Plant Introductions from Japan. By David G. 



Fairchild, Agricultural Explorer. 1003. 24 pp., G pis. 



Price, 10 cents. 



Contents : Mitsumata, a Japanese paper plant : Introduction ; species of 

 paper jjlants in Japan; the mitsumata plant; the cultivation of mitsumata; 

 the manufacture of mitsumata paper; the manufacture of leather pajjcr — Udo, 

 a new winter salad: Introduction; the cultivation of kan udo; the cultiva- 

 tion of moyashi udo — Wasabi, the horse-radish of the Japanese : Introduction; 

 the cultivation of wasabi — Description of plates. 



No. 43. Japanese Bamboos and Their Introduction into America. 



By David G. Fairchild, Agricultural Explorer. 1903. 36 



pp., 8 pis. Price, 10 cents. 



Contents : Introduction — General considerations — General characters of 

 the Japanese bamboos — Proj^agation of Japanese bamboos — Suitable location 

 and soil conditions for bamboos — Ja])anese management of bamboo groves — 

 Trofits of bamboo culture in Japan — Culture of the edible bamboo — Diflferent 

 species of bamboos : rhyllostachys mitis ; Phyllostachys quilioi ; Phyllostachys 

 henonis; "Madaradake" or "Ummon-chiku" ; Phyllostachys nigra; Phyllo- 

 stachys castillonis ; Phyllostachys aurea ; Phyllostachys bambusoides ; Phyl- 

 lostachys marliacea ; Arundinaria japonica ; Arundinaria simoni ; Arundi- 

 naria liiudsii ; Arundinaria hindsii, var. graminea ; Bambusa veitchii ; Bam- 

 busa palmata ; Bambusa quadraugularis ; Bambusa vulgaris ; "Shakutan" — 

 Description of plates. 



* No. 44. The Bitter-Rot of Apples. By Hermann von Schrenk, 



Special Agent in Charge of the Mississippi Valley Lab- 

 oratory, and. Perley Spaulding, Special Agent. 1903. 

 54 pp., 9 pis., 9 figs. Price, 15 cents. 



Contents : Introduction — Historical account of the bitter-rot — Distribution 

 of the bitter-rot f ung-us : Geographical distribution ; occurrence on various 

 hosts — General description of the bitter-rot : Time of appearance ; charac- 

 ter of the spots ; cause of the bitter-rot ; rate of development of the bitter- 

 rot ; the diseased apple — The bitter-rot fungus: Life history on apples'; the 

 conidia ; growth in cultures ; conidial and ascus stages ; the name of the 

 bitter-rot fungus — The canker stage: Discovery of the canker; description of 

 the canker stage — Relation of the cankers to the bitter-rot — Spread of the 

 bitter-rot — Remedial measures: Removal of diseased fruits and mummies; 

 removal of limb cankers ; spraying with fungicides — Summary and recommen- 

 dations — Index to literature — Description of plates. 



No. 45. The Physiological Role of Mineral Nutrients in Plants. By 



Oscar Loew,- Professor of Agricultural Chemistry in the 



Imperial University of Japan. 1903. 70 pp. Price, 5 



cents. 

 Contents : General remarks on the mineral constituents foimd in organ- 

 isms : Historical notes ; mineral compounds found iii organisms ; variety of 



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