©Itarles g. TJesseg, 

 frufessnr 

 Frederic g. Elements, -Instructor 



gritta t,. ftgatt, Botanical Artist 

 O£ora F. Smith, Fellow 

 U Albert T. Bell, Fellow 



TIie ^tttwrsitg of -Nebraska 



department of Uotanr> 

 ^ Lincoln, Nebraska, %X. M. 



6. X, / 



I8U )~ 



