Table I .—Reaction of F 3 , F 4 , and some F$ progenies from the hybrid No. 1015a, Avena byzantina variety Fulghum X A. sativa variety Swedish 
Select, to Ustilago avenae ( Pers .) Jens., and U. levis ( K . & S.) Magn., with descriptions of certain spikelet characters of the F 2 parent 
plants —Continued 
386 
Journal oj Agricultural Research 
Vol. XXX. No. 4 
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