32 Addisonia 



Explanation of Plate. Fig. 1. — Summit of branch. Fig. 2. — Pistillate 

 involucre, X 4. Fig. 3. — Pistil, X 6. Fig. 4. — Staminate involucre, X 4. Fig. 

 5. — Portion of staminate involucre, showing glands, X 8. Fig. 6. — Staminate 

 flower-cluster, with involucral scales removed, X 8. 



