A Phytophthora Footrot of Rhubarb - ? - - 
: george m . gobfrett „ > "‘-j 
. ' ■ (Confutation hm Bateau o! Plant Industry) ‘ ' < : : 
Sand Drown, a Chlorosis of Tobacco Due to Magnesium 
Deficiency, and the Relation 6f Sulphates and Chlorids 
of Rotassium to the Diseased a T-j/ ; - 
; W. W. GARNER, J. E. MeMURTREY.C.W. BACON, tod 
.. ' . ; ’ - \ E. G. MOSS - -; - - ' ■• ; . .. 
(Contribution from Bureaual Plant Industry 1 and North Carolina Agricultural - 
\ . - • ' ; - - State) * 1 
Parasitism of Sclerotiurarolfsii on Irish Potatoes 
H. A. EBSON and M. SHAPOVAEO? 
• ' ' ' (Coutrlburiou from Bureau dlplAnt Industry) v ’ ' 
dilate 
(Contribul Horn .Bureau ei Chemistry) 
WITH THE COOPERATION OF THE ASSOCIATION 
OF LAND-GRANT COLLEGES . - 
