PREFACE. 
Vll 
piled, he feels his manifold obligations; he 
wishes to express them particularly to Mr. 
James Jackson of Louisville, Georgia, from 
whom he has received many new and many 
rare plants, and whose notes have always ren- 
dered his specimens more valuable. 
To Dr. Samuel Boykin of Milledgeville, who 
residing in a most interesting district of coun- 
try, has added much to his knowledge of its 
Flora by the valuable collection of specimens 
occasionally sent him. 
To Mr. N. Herbemont of Columbia, South- 
Carolina, for many specimens of rare plants, 
collected around Columbia and in the upper 
districts of Carolina. 
To Dr. ffm. Baldwin of the United States 
Navy, a Botanist of distinguished talents and 
indefatigable activity, who while residing in the 
southern districts of Georgia communicated 
many new species to the early numbers of this 
work, and would have continued to enrich it with 
his discoveries if he had not unfortunately 
been recalled to other stations and to climes 
less favourable to his health. In the pursuit of 
his favourite studies he died on the banks of the 
Missouri, in the expedition of Major Long to 
the Rocky Mountains. 
But principally to the late Dr. James Mac- 
bride a tribute is due not only for the services 
which he himself actually rendered, but for the 
contributions which he induced others to offer. 
Devotedly attached to science, he had the talent 
