PLATE IV. 
Bul. 1074, U. S. Dept. of Agriculture. 
z - (9) vyurqny ‘suo, suMe ‘(¢) ADIN, ‘Suopprur sume 
*(F) YUTY ‘Auvur sume vorde ‘(g) UOTeRJsTVg “[RIoAOS SUMB [VITde *(Z) JIA OWA ‘MOF SUMB [RoTde {(7) Sqog ‘SuTUeM suUMe TRoIdy 
HLONA] NI SNOILVIYVA SNIMOHS ‘LVSHAA SO SSILSINVA GSNMY GNV SSSINMY JO SAxMIdS 
