Proceedings of the American Academy of Arts and Sciences. 
Vou. XL. No. 1.—Jury, 1904. 
SSUED, 
JUL 18 1904 
CONTRIBUTIONS FROM THE GRAY HERBARIUM OF 
HARVARD UNIVERSITY. 
New Series. — No. XXVIII. 
I. Revision of the Genus Sabazia. By B. L. Roprnson and J. M. 
. REENMAN. 
II. Revision of the Mexican and Central American Species of 7Zrixis. 
By B. L. Roginson and J. M. Greenman. 
‘IIL. Revision of the Mexican and Central American Species of Hiera- 
cium. By B. L. Rosinson and J. M. GReENMAN. 
IV. Synopsis of the Mexican and Central American Species of Alnus. 
By M. L. FERNALD. 
V. Diagnoses and Synonymy of Mexican and Central American 
Spermatophytes. By J. M. Greenman. 
VI. 
— 
Some New Species of Mexican and Nicaraguan Dicotyledons. By 
M. L. FERNALD. 
