PREFACE TO THE SECOND VOLUME. 



(BY THE EDITOR.) 



The present volume contains, as announced in the 

 Preface to the first, the Systematic Memoirs and Miscel- 

 laneous Descriptions of Plants ; and to these have been 

 added a number of short contributions to different publi- 

 cations, together with notices of the assistance acknow- 

 ledged to have been afforded by the Author to various 

 writers, wherever the nature of the assistance is distinctly 

 pointed out. 



In Pritzel's ' Thesaurus literaturse Botanicse,' p. 35, at 

 the end of the enumeration of Mr. Brown's works, it is 

 stated, " Robertus Brown dedit praeterea descriptiones 

 ultirai (an etiam tertii ?) Pasciculi Plantarura Cryptogami- 

 carum Dicksoniananuu, necnon eas tertii voluminis Plant. 

 Coroniand. Roxburghii, et curavit Editionem alteram Horti 

 Kevvensis a classe XII ad XXIV." To all the works here 

 mentioned there is no doubt that Mr. Brown contributed 

 valuable assistance, but of different kinds and in different 

 degrees. The fourtli fasciculus of Dickson's 'Plantse Cryp- 

 togamicse,' but not, I believe, the third, was largely indebted 

 to him ; but it would be difficult, if not impossible, to de- 

 termine what portions of the text were actually furnished 

 by him. To the publication of the third volume of Rox- 

 burgh's ' Coromandel Plants' he gave a general superin- 



