PLATE IX. 
Bul. 224, U. S. Dept. of Agriculture. 
“(SLEOL ‘SSNOH J) ONITSGOWSY Y3L4V 
ONINVSYG DNA OS G3SN LISLNO—'S “DIS 
"(LL6OL ‘SSNOH 3) DNITSGOWSY 3yHO43a 
ONIMNVAYG DOA YOd GAS LISLNO—'g ‘old 
(@L6L “SSNOH 3) 
YSTONVD SNO AG GaSf) LNAWdINOA—"| “SI4 
