G112 



SIXWEEKS DROPSEED 



Sporo'bolus microsper'mus, syn. 5. confu'sus 



Flower head (panicle) open, 

 diffusely and finely branched, 

 often more than half the.' length, 

 of the plant ' 



y/f* Individual flower groups (spike-; 



.ton lets) 1-flowered, purplish, less 



// .than H in- long 



"Seed", or fruit free from the 

 flower bracts (lemma and palea) 

 and loosely enclosed in the 

 outer "seed" coat (pericarp) 



Flower bracts (lemma and 

 palea) nearly equal and simi- 

 lar, firm, blunt-pointed 



Lowest (2) spikelet bracts 

 (glumes) nearly equal, the tips 

 usually blunt, shorter than the 

 flower bracts 



Stalks (culms) tufted, freely 

 branching below, up to 10 

 (rarely 15) in. high 



Leaves few, usually less than 

 2 in. long 



Roots annual, fine, fibrous 



