Each plant is described under the following heads : 
. Botanical description. , | 14. Development. 
. Varieties. 15. Harvesting and haymaking. in 
. Name. 16. Amount and utilization of the produce. 
. History of cultivation. 17. Nutritive value. 
. Agricultural value. 18. Harvesting the seed. 
. Geographical distribution. 19. Yield of seed. 
. Habitats. 20. Seed impurities. 
8. Limits of altitude. 21. Seed adulterants. 
9, Requirements as to climate and season. 22, Quality of good commercial seed. 
10. Requirements as to soil. _ Amount of seed to be sown per acre. | = M 
11. Mineral matter removed from the soil. 2h. Sowing (pure or in mixtures). 4, 
12. Manuring and irrigation. ; 25, Diseases etc. 
13. Mode of growth. . 
ws b= 
SIO Of = 
This plan of description is followed throughout; where necessary, 
are introduced. | 
The first part of the work contains a general account of plant-life, 
tion of the technical terms, etc., used in the special part. 
