PLATE X. 
Bul. 224, U. S. Dept. of Agriculture. 
‘(SL6L ‘ASNOH Q) 
soo ONIMNVEYgG OS Gasp) LISLNO—'? ‘Ol 
(SLE L ‘ASNOH 4) SOF ONIMVAYg HO4 GSSA) LI41NO—'| “old 
