Smithsonian Report, 1917. — Safford. 



Plate 17. 



plsonia aculeata, called cockspur on account of its sharp recurved spines; 

 a Plant of Wide Tropical Distribution; Usually a Scrambling Shrub. 

 Here a Giant Liana of the Forest. 



Showing C. E. Mosier, the park warden, at the base of the plant. Photograph by Roy D. Goodrich. 



