Proceedings of the American Academy of Arts and Sciences. 
yea 
VoL. XXXIX. No. 11. — Decemser, 1903. 
>} CONTRIBUTIONS FROM THE GRAY HERBARIUM OF 
HARVARD UNIVERSITY. 
| 
New Series. — No. XXVI. 
A- REVISION OF THE GENUS FLAV. TA. 
By J. R. JowNstTon. 
