MISC. PUBLICATION 243, U.S. DEPT. OF AGRICULTURE 
52 
) 
yx 
\ 
\ 
' \ 
Nite. 
sy 
Sa = 
\ an ‘ 
K - 
m2 N y\ 
Se SS NY 
Plant, X 14: spikelet and floret, * 3 (Biltmore Herb. 7514). 
FIGURE 27.—Arundo donatr. 
