18 
Fie. 7. Saccharum officinarum L. SUGAR CANE. —a, A portion of a branch 
of the infloresence with 2 spikelets attached; , spikelet; ¢, flower. 
7. SACCHA Linn, Sp. Pl. ed.2, 1:79. 1762. Spikelets all alike, perfect, 
awnless, in numerous, jointed racemes, forming a much branched terminal 
panicle. sips somewhat ist and 2d glumes empty, equal, a pcre 
pilose with long silky hairs » especially on the callus; 3d gl ume, when prese 
empty and ating the fourth or 
nate-pointed, hyaline, Tall, erect pene with — simple culms, Jong 
leaves, and ly OR panicles 
long silky 
Species 12, chiefly an tropics of the Old World, one, S. officinarwm, culti- 
