PLATE XIX. 
Iture. 
Icu 
Dept. of Agr 
Bul. 176, U. S. 
‘O109 ‘A1IVGNOSYVD LV NMOUS Sv ‘(LL dNOYD) OLVLOd MOIEHOVAd GSAOUdWN| SHL SO SYAENL IWOIdAL 
