PREFACE. 



ON the completion of the second volume of the Flora of North 

 America, the author feels it necessary to state, that the efforts he has 

 made to lay the foundation of this work on the plan sketched in the 

 preface and advertisement of the first volume, have heen thus far as- 

 siduously made, without as great a degree of encouragement as he 

 hoped the nature of the undertaking, and the liberality of the pub- 

 lishers, in sparing no cost to render it worthy of patronage, would 

 have ensured to it. He has been particularly desirous of figuring and 

 describing as many new, doubtful, or rare plants, as opportunity 

 had hitherto presented to his command. Without having under his 

 control a Botanic Garden — a necessary engine for sueh a publication — 

 he has heretofore been indebted to the attention of his friends who 

 owned such establishments in the neighbourhood of this city, for spe- 

 cimens of rare flowering plants : and, though the politeness of those 

 who have shown themselves friendly to the work, has enabled him to 

 ligure and describe in these two volumes, many curious and new 

 plants, lie has still experienced occasional difficulties in procuring 

 such as he desired to publish. It is with great satisfaction he is ena- 



