Cxi PROCEEDINGS OF THE ROYAL HORTICULTURAL SOCIETY. 



Wheldale, M. The anthocyanin pigments of plants. Cambridge, 191 6. 



8vo. (4) 

 Whellens, W. H. Forestry-work. London, 1^18. il. 8vo. (4) 

 Whiting, A. L. Soil biology laboratory manual. 1st ed. New York, 191 7. 



8vo. (4) 

 Willis, J. C. A dictionary of the flowering plants and ferns. 4th ed. rev. 



and re-written. Cambridge, 1919. 8vo. (4) 

 Wilson, W. F. David Douglas, botanist at Hawaii. Honolulu, 191 9. pi. portr. 



8vo. (8) 

 Withering, W. British plants. The flowering plants and ferns of Great 



Britain and Ireland . . . compiled for popular use by W. Macgillivray . 



8th ed. London, 1852. il. pi. 8vo. (6) 

 Worsdell, W. C. Tne principles of plant-teratology, vol. 2. London, 1916. 



pi. 8vo. (4) 

 Wright, W. P. Food, fruit, and flowers. London and Toronto, 191 7. il. 



frontis. 8vo. (4) 



