62 BULLETIN 772, U. S. DEPARTMENT OF AGRICULTURE. 
= SSS 
— 
x. 
WSS 
SSS —— 
We 
\ 
Ss 
N\ 
SSS 
Re SS 
WARSBS S 
Se Ss 
S 
: = : SS 
SSS SSS 
SS SS SSSR 
WSS SERS 
WIS NS 
> Z Ss 
SSeS 
SS 
S 
Ft — Zz ZA 
Ge gs TG JE LLL j ffl. C= A Z = g z 
ie A fg IT a 
SS a SSS SS BEEP LOE 2S — S 
Fie. 26.—Giant reed, Arundo donasz. Rhizome, leaves, and panicle, X 34; spikelet and 
floret, X 3. 
