TABLE OF CONTENTS. 



C;HAPTER I Pages 1 to tl 



Historical Considerations and Origin of European Vari- 

 eties of Beets — Concluding Remarks. 



CHAPTER II Pages 7 to 25 



Botanical Considerations Respecting Sugar-Beet Seed — 

 Historical Pacts Relating to the Fertilization of Plants — 

 Bescription of the Flower — Fertilization — Examination of 

 Beet Seed — Enlarged Microscopical Section of the Entire 

 Seed — Maturity — Physiological Functions of the Embryo 

 and Albumen. 



CHAPTER III Pages 26 to 43 



Requirements of Sugar-Beet Seed — Preliminary Remarks 

 — Advantage of One Variety of Beets — Advantage of 

 Early Selection — Annual Beets. 



CHAPTER IV Pages 44 to 52 



Races, Types and Varieties of Sugar Beets — Preliminary 

 Remarks — Technical Considerations. 



CHAPTER V Pages 52 to 121 



Selection of Beets vpith a View to Seed Production. 

 Part I. — Preliminary Observations. Legras's Physical 

 Selection of Mothers, with Discussion as to Advantage 

 of Small Beets — Exterior Signs as Indication of Quality. 

 Selection by Appearance of Leaves. 

 Part II. Chemical Selection — History of Chemical Selec- 

 tion — 1st. Density of the Entire Root; 2d, Density 

 of a Piece of Beet; 3d, Density of the Juice of 

 the Beet; 4th, Estimation of the Juice by Chem- 

 ical Methods; 5th, Estimation of the Sugar Beet by 

 Means of a Polariscope. (a), Alcohol Method; (b). Hot 

 Water Method; (c). Cold Water Methods, Pellet and 

 Lamot Rasp; (c) 2, Keil and Dolle Rasp with Subsequent 

 Weighing of Pulps; 3, Without Weighing with Special 

 Samples as Adopted by M. Legras; 4, Sach's Direct 

 Method — General Remarks on Laboratory Requisites for 

 Selection of Mothers by Cold-Water Method — German 

 Beet-Seed-Selecting Laboratory — Polariscope for Mother 

 Selection. 



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