GRASSES OF IOWA. 



51 



ing*'*ft"ftyles''VKfn^^°'^"'°^''^^^*^®^^^°P" ^^^- Jh P°"^° g^^l°s of maize 



mg. St, styles. (King.) mounted In water. (Pammel and King.) 



Arrhenatherum avenaceum has hermaphrodite flowers as well 

 as staminate. The anthers are long and pendulous. Ihe least 

 jar or the slightest breeze will cause a shower of pollen to issue 

 from the anthers; the very plumose stigmas are exposed and 



