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9. 
CONTENTS 
Descriptions of New Plants, Chiefly Gamopetalae, collected in Mexico 
by C. G. Pringle in 1889 and 1890. By B. L. Ropinson. 
Descriptions of New Plants collected in Mexico by C. G. Pringle, in 
1890 and 1891, with Notes upon a few other Species. By B. L. 
ROBINSON. 
Additions to the Phaenogamic Flora of Mexico, discovered by C. G. 
Pringle in 1891-92. By B. L. Rosrnson and H. E. Seaton. 
New and little known Plants collected on Mount Orizaba in the Sum- 
mer of 1891. By Henry E. SEATON. 
The Nort American Sileneae and Polycarpeae. By B. L. Roprnson. 
I. The North American Alsineae. 
Ul. Descriptions of New and hitherto Imperfectly Known Plants con- 
tained in C. G. Pringle’s Mexican Collections of 1892 and 1893. 
. IIL. Notes upon the Genus (alinsoga. 
IV. Miscellaneous Notes and New Species. 
. L. Roprnson. 
Further New and Imperfectly Known Plants collected in Mexico by 
C. G. Pringle in the Summer of 1893. By B. L. Rosrnson and 
J. M. GREENMAN. 
New Plants collected by Messrs. C. V. Hartman and F. E. Lloyd 
upon an Archaeological Expedition to Northwestern Mexico under 
the Direction of Dr. Carl Lumholtz. By B. L. Ropryson and M. L. 
FERNALD. 
I. On the Flora of the Galapagos Islands, as shown by the Collections 
of Dr. G. Baur. 
Il. New and Noteworthy Plants, chiefly from Oaxaca, collected by 
Messrs. C. G. Pringle, L. C. Smith, and E. W. Nelson. 
Ill. A Synoptic Revision of the Genus Lamourouzxia. 
IV. Miscellaneous New Species. 
By B. L. Rosryson and J. M. GREENMAN. 
