CONTRIBUTIONS FROM THE GRAY HERBARIUM 
OF HARVARD UNIVERSITY. 
NEw SERIES, No. VI. 
I. THe North AMERICAN ALSINER. 
Il. Descriptions or NEW AND HITHERTO IMPERFECTLY KNOWN 
PLANTS CONTAINED IN C. G. PRINGLE’s Mexican COL- 
LECTIONS OF 1892 anp 1893. 
Ill. Notes upon tHe Genus GALINSOGA. 
1V. Miscettansous Notrs anp NEw SPECIES. 
By B. L. ROBINSON. 
Mo. Bot. Garden, 
7894 
From THE PROCEEDINGS OF THE AMERICAN ACADEMY OF ARTS AND SCIENCES, 
Vow XXIX. 
{Issuep May 23, 1894-] 
