Proceedings of the American Academy of Arts and Sciences. 



Vol. XLIV. No. 21. — May, 1909. 



CONTRIBUTIONS FROM THE GRAY HERBARIUM 

 OF HARVARD UNIVERSITY. 



New Series. — No. XXXVI. 



I. Synopsis of the Mexican and Central American Species of 



Castilleja. By A. Eastwood. 

 II. A Revision of the Genus Rumfordia. By B. L. Robinson. 



III. A Synopsis of the American Species of Litsea. By H. H. 



Bartlett. 



IV. Some Undescribed Species of Mexican Phanerogams. Bi r 



A. Eastwood. 

 V. Notes on Mexican and Central American Alders. By H. H. 



Bartlett. 

 VI. Diagnoses and Transfers of Tropical American Phanerogams. 



By B. L. Robinson. 

 VII. The Purple-flowered Androcerae of Mexico and the Southern 



United States. By H. H. Bartlett. 

 VIII. Descriptions of Mexican Phanerogams. By H. H. Bart- 

 lett. 



