Mycological Bulletin 



No. 51 



W. A. Kellerman, Ph. D., Ohio State University 

 Columbus, Ohio, February 1, 1906. 



The Half-tones in this Number. — The first illustration here given 

 is of a fungfiis not of course important from an epicure's point of view, 

 but what is more interesting and beautiful than these little double-walled 

 Pu.*f-balls ! The outer peridium (i. e. layer of the covering) splits some- 

 what regularly from the top, becomes strongly reflexed, and hence the 

 name Ge-as'-ter or Enrth Star is an appropriate one. They retain their 

 shape when mature .'tnd can be kept in small boxes for study or compari- 



LlBRARY 

 NEW YORK 

 BOTANICAL 



GARDEN. 



^^ Fig. 159. — Karth-stav. Ge-as'-ter- trip'-i.ex. — A rather common plant here 



O^ shown in natural size. The cut was made from specimens sent by Supt. M. E. 

 ■ Hard, who collected them near Chillicothe, Ohio, November 9, 1905. 



'^- . 



'"^ Unhrersitv Bulletin, Series 9, No. 39. Entered as Second Class Matter, Post-Office at Columbus, Ohio 



