Proceedings of the American Academy of Arts and Sciences. 

 Vol. XXXIX. No. 11. — December, 1903. 



CONTRIBUTIONS FROM THE GRAY HERBARIUM OF 

 HARVARD UNIVERSITY. 



New Series. — No. XXVI. 



fcOTANI 

 GARDEN 



A BE VISION OF THE GENUS FLAVERIA. 



By J. R. Johnston. 



