Brown University 
DEPARTMENT OF BOTANY 
PROVI DENCE, R. I., U. S. A., ^ / 190 (p 
(!%<-<-+. '«-—Z Y ** 
sLi^ze e-fS^^r ***- 7""- 
- f*. - ■« tJL ^ 
6V€^ 5 ol^c*a <^*7 
A- o-£*-%JL c/v “ 
rt. I>. 
<J J^v. St>^L»—''Z- ^ <x< ^ _ f ^ 
cxA,^ t-t -v. £b dLo~ 7$x —i ty^< 
o< ^ <= 
<z—o Z— 
