(134) 



3066. Crystal domino sugar in cake form, before being cut. 



3067. Granulated crystal domino sugar. 



3068. The same, powdered. 



3069. " " confectioners powdered. 



3070. Bone black or animal charcoal. — Used in the purification and decolorizing 



of refined sugar. Same donor. 

 Numbers 3071-3083 are various sugar products, from the same donors. 



3071. Molasses.' — The crude, partially evaporated juice of the sugar-cane. 



3072. Cane syrup. — The drippings from wet sugar. 



3073. Crystal domino syrup. — A fine, light-colored cane syrup. 



3074. Rock candy. — Pure crystallized cane sugar. 



3075. Rock-candy syrup. — Syrup made by dissolving the preceding. 



3076. Simple syrup. Syrupus simplex. — Made by dissolving ordinary refined 



sugar in about half a part of water. 



3077. Caramel. — Sugar that has been caused to part with 2H2O, that is, two mole- 



cules of water, by being heated to from 180 to 200° C. 



3078. Dextrin. — The name applied to the series of intermediate products formed in 



the change of starch to glucose. Presented by E. Merck & Company, 

 of New York. 



3079. Coco-palm sugar. — Made by evaporation of the sap of the stem of the coconut 



palm. (See No. 441.) Acquired in Buitenzorg, Java, by Percy Wilson. 



3080. Palm sugar. — Made by evaporating the sap of the stem of the sugar palm 



(Arenga saccharifera Labill., Palmae — Palm Family). Native of the 

 East Indies and cultivated. Same source as last. 



3081. Young sugar beets. — Partly grown roots of a cultivated form of Beta vulgaris 



L. {Ckenopodiaceae — Goosefoot Family). Native of Europe and culti- 

 vated in cool countries. Grown by H. H. Rusby at Newark, New Jersey. 

 Roots of full size would be inconvenient for exhibition. 



3082. Beet sugar. — A low-grade European product. Made by evaporating the 



juice of the sugar beet. Beet sugar is identical in composition, properties, 

 and uses with that obtained from sugar cane. The successful growth of 

 the sugar beet is closely restricted to limited areas. The line of separation 

 between favorable and unfavorable lands is very sharp and the causes for 

 the difference are not understood. Presented by the American Sugar 

 Refining Company, of New York. 



3083. Another sample of the same, of better grade. 



3084. Maple wax. — The sugar made by evaporating the sap of the stem of the 



sugar-maple tree {Acer nigrum Michx., and A. saccharum L.) (Aceraceae — 

 Maple Family), native of northeastern North America. This sample is 

 from Acer nigrum and was acquired at Pictou, Nova Scotia, 1904, and 

 presented by C. B. Robinson. 



3085. Portion of trunk of Acer saccharum, showing the method of drawing the sap. 



3086. Leaves, flowers, and fruits of the same. 



3087. Portion of stem of Acer nigrum. 



3088. Leaves, flowers, and fruits of the same. 



Numbers 3089-3098 represent maple sugar and syrup and were presented by the 

 Vermont Maple Sugar Market, of Randolph, Vermont. 



3089. Maple sugar from Acer nigrum. 



