PLATE XII. 
Bul. 176, U. S. Dept. of Agriculture. 
“AJNBI OTM JO YIPBoIG OY} SMOYS LTP LOqny ‘YVUOUYNIY JO opi JO ssouyory] puUL YIPBoI OATIVTOI OY] MOTS Ze SIOQN, 
"L NOILLOAS ‘7 dNOYD OL ONIONOTSG SAOLVLOd 3aYHL 
