— - vCXX--t 
4. ft 
Mexican plants collected b^ Wynd and Mueller. 
(141231) 
Pteridoohmta identified bv William R. Maxon, Gramineae by J. R. 
Swallen, Oaks by G. H. Mueller, the remainder by G. V. Morton, 
U. S. National Museum, December 1936. 
* 1. Groton gracilis Muell. 
