In I923 (20) the disease was recorded in 67 counties of Texas. A recent compilation shows root-rot in I96 counties (text fig. i). It is quite probable that as the studies continue, it will be found that the disease has even a wider distribution. Root-rot has not yet been found in the Plains country around Lubbock, nor in the extreme north of the Texas Panhandle. The absence of the disease from the extreme northern part of the state may be due to the severe winter weather, which may kill out roots of susceptible plants as well as the root-rot fungus itself.