Bui. 380, U. S. Dept. of Agriculture. 



PLATE XIII. 







V 



*c 



.. 



!t$ti 



Lf i * &- + > , . -T'-- -tt . * rt* 



iPf - ? <v '> "*'- < - : " - * "^ " ! ^V - * '* 

 ^L- ; f-,^r,^"- :^^^H--- 



mmtm^-. 



* ^ 



ENDOTHIA SINQULARIS. VERTICAL SECTION OF THE MAJOR PART OF A PYCNIDIAL 



STROMA. X 32. 



Paraffin section stained with Bismarck brown. 



