Proceedings of the American Academy of Arts and Sciences. 

 Vol. XXXVill. No. 4. — Octoijek, 1902. 



CONTRIBUTIONS FROM THE GRAY HERBARIUM OF 

 HARVARD UNIVERSITY. 



New Series. — No. XXIV. 



(PAPERS FROM THE HOPKINS-STANFORD EXPEDITION 

 TO THE GALAPAGOS ISLANDS.} 



FLOE A OF THE GALAPAGOS ISLANDS. 



By B. L. Robinson. 



(With the collaboration of specialists.) 



