INTRODUCTORY. li 
sented from time to time by the different seedsmen. 
The few suggestions therefore for detail work in trial 
grounds are deemed not inappropriate. 
Cultural Directions, Time of Maturity, etc.— 
These should prove convenient for reference, not only 
by the grower, but more especially by all seed dealers, 
as an aid to their salespeople in supplying information 
to inquiring customers. 
Growers’ Prices.—The prices which have been 
given in these pages are those obtained by the principal 
or main grower, who, however, frequently sublets por- 
tions of his contracts at lower figures. 
In cases of importation, duty and freight to New 
York have been included. 
