A Handbook of Nebraska Grasses. 1] 
The exact location of the style with reference to the tip of 
the ovary must next be determined. This brings us to the genus 
Bromus. 
To determine the exact species of Bromus we must refer to 
the key to the species of this genus (p. 60) and proceed in the 
above manner to find the name of the plant before us. 
TRIBE KEY TO THE GRASSES. 
FIG. PAGE 
1. Spikelets sessile, alternating on opposite sides of 
Ee ee Pere eee ae HorDEAE 10) (i 
1. Spikelets sessile or somewhat pedicellate, on one 
NE RMN oon ace Ga yk greta Win sb <o-sievaiy my se 2 10 
|. Spikelets sessile, forming a compact head; or com- 
poundly pedicellate, forming a panicle........ >» 10 12 
Figure 10. 
NY 
\ ; 
WY, 
WF 
My, : 
NN 
Vv 

’ 
\ 

\ 
HORDEAE. 2. 
ON De ee CHLORIDEAE 11 4] 
ee ES | i PANICEAE 11 15 
Figure 11. 
CHLORIDEAE. PANICEAE. 
