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it, he was led to undertake the preparation of its " sequel," the 

 Flora Telluriana, dealing with the plants of the rest of the world. 

 The pages of these two works contain many descriptions of " new 

 genera" of plants, so that the dates of their appearance are of 

 considerable importance. As the books themselves are quite 

 scarce, a brief preliminary account of them may not be out of 

 place. 



Each was planned to consist of six " parts " or volumes, but 

 was completed in four. Each of the eight parts is separately 

 paged, and has a separate title-page and subtitle of its own ; and 

 each is dated " 1836." 



New Flora and Botany of North America 

 First part. Introduction, Lexicon, Monographs. 100 pages. 



1836. 

 Second part. Neophyton. 96 pages. 1836. 

 Third part. New Sylva. 96 pages. 1836. 

 Fourth part. Neobotanon. 112 pages. 1836. (This contained 



also a general title-page for the entire work, dated 1836.) 



Flora Telluriana 

 First part. Introduction and Classification. 103 pages. 1836. 

 Second part. Centuria I, II, III, IV. 112 pages. 1836. 

 Third part. Centuries V, VI, VII, VIII. 100 pages. 1836. 

 Fourth part. Centuries IX, X, XI, XII. 135 pages. 1836. 



(This contained also a general title-page for the entire work 



dated 1836.) 



Of these eight parts, the first part of the New Flora was the 

 first to appear. It contained a dedication dated at Philadelphia, 

 September, 1836; and pages 73-80 are occupied by a mono- 

 graph of the genus Kiilinia, dated October, 1836. These facts 

 alone are sufficient to make one suspect that perhaps the eight 

 parts were not all issued before the end of that year ! There is 

 not lacking other internal evidence on this subject, in addition to 

 the citation of Gray's monograph (Fl. Tell. 4 : 27 ; also New Fl. 

 4 : 103, where the date of " Grey's " paper is distinctly stated as 

 " 1837"). Flora Telluriana, part 3 (which in turn is cited by 



