352 Report oF THE HorTICULTURAL DEPARTMENT OF THE 
The method of solutions is apparently not of much use, how- 
ever, for separating different kinds of seeds from each other. 
This is because seeds of different kinds are distributed over so 
wide a range of density that the separates commonly very much 
overlap. Even in the occasional instances in which it is desired 
to separate a heavy seed as a legume or cereal from some light 
seed, the use of a fanning mill would commonly be more con- 
venient. 
RELATION BETWEEN SIZE AND SPECIFIC GRAVITY OF 
SEED. 
Noteworthy correlations exist between the size of the seed and 
its specific gravity. In this connection, by the word size is 
meant volume, that being the common use of the term as applied 
to seeds. In illustration of this correlation the figures in Table 
III may be cited. Prof. Beach had separated grape seeds into 
different lots according to their smallest diameter as indicated in 
the table. Among seeds of different diameters which were thus 
separated, those that were noticeably plump were selected by the 
eye and classified separately. They are designated as ‘ ‘very 
plump” in the table. It will be noticed that these seeds are 
almost all good and fall within the range of seeds of high quality. 
This observation simply emphasizes once more the old horticul- 
tural truth, that the plumpest seeds are the best. 
TaBLe [II.—DIstrrisutTioNn or Seeps of MABEL GRAPE ACCORDING 
TO SIZE AND oF EHacu Size AccorDING TO SpPecIFIC GRAVITY. 
| 
SIZE OF SEED. <1.00) 1.00 | 1.01 | 1.02 | 1.03 | 1.04 | 1.05 | 1-06 
Weryesmialliaers. saci cin cee 2 
poh eats | Pe eak acer) G its cee mene Ee 12 2. | 1 Ae a] 1 1 1 ik 
Smallvery/plump.. 20... 6... le 2 | 1 
Medniimisi ze. ei es ticeiciceS voice 42 By Ope 2 Hal 21 
Medium size, very plump......... Pigs len a | 1 3 
Lhd TRE Ree ee ore trae cco teNe | 1 2 2 
Large, very plump,.............. i 3 4 
Werylargess nec cite amu cscceenren | 
| | 
