oaks il 
A. S. WELCH, C. E. BESSEY, 
PRESIDENT. PROFESSOR OF BOTANY. 
Alowa Agricultural ALollege. 
Ames, Qt £ 257 187 7 
SA IS i I I CR Ns IIT LL SCRE IOI CI II CN I RL AO A OLE RG GI wa es 
rise: 9 1 MISSOURI 
¢ BOTANICAL 
copyright reserved GARDEN 
