SEPARATING BUCKHORN FROM CLOVER AND ALFALFA S] 
9 
separator, or in some such box as thai shown in figures 6 and 7 it' 
only a small quantity of seeds is to be treated. On the other hand. 
the seedsman may 
blow "lit the saw- 
dust with a fan 
and separal e the 
buckhorn w i t h a 
screen. The most 
common t \ pe of 
seed cleaner is a 
combination id' 
fan and -ir\ es, the 
\\ hole separat ion 
hid ng effected i n 
One Operation. ].-,, ; . r, \-... designed by the writer, with Interchange- 
Should the t \ i )i ■ ill' :l1 '''' sliding frames for various sizes of mesh. Suggested 
for the use of the farmer who mav raise l>ut ;i few acres. 
machi in 1 be em- , iV ,t or alfalfa. 
ployed that oper- 
ates by means of inclined piano, rebounding angles, and an oscil 
lating motion, the sawdusl should first be fanned or sifted out : then 
such a machine will effect a very complete separation of the buckhorn 
seeds. 
ALFALFA OE RED CLOVER SEEDS IN TWO GRADES. 
Should the first-mentioned type of machine or should hand sieves 
be employed for this work, it is advised that the clover or alfalfa 
seeds be first separated 
into two grades those 
pa - - i ng t h fou gh a 
round hole of one-fif- 
teenth inch and those 
too large to pass 
through such a hole. 
The latter grade will 
be found t o eon tain 
coin pa ra tivel y few 
buckhorn seeds and 
will represenl but a 
small proport ion of 
the total seeds. The 
buckhorn should be 
se pa ra t ed from the 
smaller grade by the sheet zinc sieve already mentioned, and from 
the larger grade through a similar sieve having holes one-thirteenth 
[CIrc. I'] 
Flo. 7. — 1 ii shown in figure 6 with Hi 
frame withdrawn to show construction 
