in the plants sent 111 bj 
1,1 l i: i 111:111 uals for dUti 1,, i„- 
' n > tnx ,,l - ,t Ui sea will give 11- Um 
an; m \ N itb which 
,! Botany, which .. prolific In giving birth to n.-w divl 
. \ and the 1m\ laiou of \ 
-If n has i.-. entlj ii. \. lop h in,. 1 of 
deal of attention recent! I 
-a.lv of weeds. \ Lhistlo, 
MM think to be worth Lta million, hni 
fal attention. The Department baa done all thai it could do In Investigating 
the natural history and methods of dietribntion of thii weed, and in publish ii 
enlan and bulletins relative thereto. There are other weedi whieh are almost If 
""t ■ agerous a> tin-, and they will all be studied m rapidlj ai the m< ans 
I permit. 
I expert ha., been engaged and a laboratory fitted op for the systematic 
stud rencc t<» their purity, germinating power, etc. I 
important matt ul\ in connection with our stndiee ige plants, 
ends ssseeda kin are always liable to be contaminated 
with the seed of w< 1 our d.sii.- to establish standards <>r purity ami 1 
min a tin g pow< r for all the chief Amerii i, and in this wax promote the trade 
in these seeds ami especially the demand for them abroad. Our exports <>t clover 
rable, and mai I commerce demand the over- 
irtment. 
■ many agricultural chemists, -■» that I need not take time 
plain the disappointments that we have all felt with regard to the results of 
bemical aoalyt - We must acknowledge now that we can not tell the 
practical fanner all that he wants to know by a single analysis of his soil; that it 
- en approximately, the chemical aatun 
•1 and that, even when we have made il. e unable t<» 
plaiu why luctive while another fails entirely. We all ki 
_ almost identically the same chemical composition yet differ 
huh they can he put. In short, the chemical analj s;> ,,r the 
•• whole Btory. A great deal more is to be learned abont it 
•1 tell the farmer how to make it productive or whj he should put one 
■ !• upon it and not another. Oar Department has decided, tin;. 
m from two diffen from the physical side, by 
■ .on to h. id, from tin- bic 
do a ithout n. 
.' ion. 
ited in the Department to be known as the 
:ty it will 1..- nfall and t.m 
ontinuoo them in the ■ 
iinp-utant r . • he 
• ill until • he 
■ 
N I 
adapted to tl lid in turn 
ii the same rai 
- 
17" -'1 3 
