‘PLATE VIII. 
Bul. 176, U. S. Dept. of Agriculture. 
‘TROPT MON OT] JO TIPRoIG OATIVTOI OY ‘9OT ToqNy ‘asoy ATIVAT PIO OY} JO SSOUOTY] PUL YIPVoA OATIVTOI OY} MOYS CO STOTT | 
‘ "9 NOILOSS “py dno“ OL ONIDNOTEG S3OLVLOd 
