28. CEREUS GIGANTEUS Engelm 



Saguaro, Suwarro, Giant Cactus. 



TRANSVERSE SECTION 



RADIAL SECTION. 



f , 



- '!'? 













*I^iV 



TANGENTIAL SECTION 



Riesencactus. 



Cactus gigantesque, 



Saguaro, 



and etwns made by Romyn 8. Hough, B. A., Lowville, N Y U S A 



