PLATE IV. 
Bul. 588, U. S. Dept. of Agriculture. 
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yous Ajoyeuxordde 4v 1oyvM seprAoid pur “esau OY} SsOdov 4NO soTTU 8 yNOQe Jo ooURISIp B ‘SUTVJUNOUT OY) UL ssuTIdS WLody 10}VA Sotto oUt] OdId SIU, 
"USLVAMA HOOLS ONILNAINLSIG YO4S 3NITF 3did 
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