120 THE JOURNAL OF BOTANY 



commendably abstains from increasing synonymy, and is content 

 to follow Messrs. Britton and Brown in the matter of nomenclature. 

 There are no descriptions, but the distribution of each species is 

 traced through the State, with useful notes on such as are either 

 valuable or detrimental, with local names and (unfortunately) 

 ''popular" names manufactured after the manner frequent in 

 English books. There is an introduction in which the economic 

 value of some species and the poisonous nature of others are 

 treated in separate essays ; a good bibliography and a full (single) 

 index add to the value of the work, which impresses us as dis- 

 tinctly useful and well done throughout. 



The seventh part of MM. de Wildeman & Durand's handsome 

 Illustrations de la Flore du Congo has been issued. It contains 

 twelve plates, representing species of Copaiba, Thomandersia, Onci- 

 notis, Pterocarpus, Perist raphe, Durenioya, Artabotrys, and Hibiscus. 

 The plates, by MM. B. Herincq, C. Cuisin, and A. d'Apreval, are 

 admirably executed ; they are printed in Paris. 



The second part of the Flora of Koh Chang, reprinted from the 

 last issue of the Botanisk Tidsskrift (vol. xxiii.), contains an account 

 of the Corallinacece of this district by Dr. Foslie. The number of 

 species is small, but, as the author justly remarks, the interest of 

 the collection lies in the geographical distribution. Of the ten 

 species enumerated, three were determined by Major Reinbold — 

 Dermatol ithon pustalatum, Amphiroa frntjilissima, and Corallina 

 tenella; and among the remaining seven species, there are three 

 new species and three new varieties. The forma funafiitiensis of 

 Lithothamnion Philipii is raised to the rank of a species and given a 

 variety of its own, to represent the form of the plant found at Koh 

 Chang. Dr. Foslie's work in this, as in his other papers, is calcu- 

 lated to ease the task of anyone who in the future shall monograph 

 the Lithothamnion group ; for, by noting and describing the slight 

 differences between closely allied species, he supplies the connecting 

 links between the forms. Unfortunately, however, this system must 

 lead to a large increase in future synonymy. 



To Sir W. T. Thiselton-Dyer. —With reference to the editorial 

 notes contained in the Journal of Botany for January, 1901, pages 

 47 and 48, reflecting on you and your work in connection with the 

 preparation of the Flora of Tropical Africa, I desire to offer to you 

 an expression of my sincere regret for the same. The preparation 

 of the Flora of Tropical Africa was not committed to you until the 

 year 1891, and my statement that it has been in your hands since 

 1872 is incorrect. I sincerely apologize to you for having imputed 

 to you unnecessary delay in its preparation, and I desire to withdraw 

 all reflections and imputations affecting you of every kind whatever 

 contained in the editorial notes referred to. — James Britten. 



