302 MISC. PUBLICATION 4 2 4, U. S. DEPT. OF AGRICULTURE 



Figure 67. — Aster olecanium spectabile: A, outline, X 87. A. stentae: B, section of 

 margin, X 650 ; C, outline, X 50; D, genital and anal area, X 165 ; E, multilocu- 

 lar pore ; F, spiracle, X 900 ; G, antenna ; H, tubular duct ; /, submarginal 

 8-shaped pore ; J, disk pore. 



