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NOTICES OF BOOKS. 

 Lnde.r Kewensis I'lantaruui P/ianemaamartim Xomina et Si/noiu/ma 



Confecit B. Daydon Jackson. Fasciculus III. 



[4to, pp. vii, 640 : Kabiik-ia— Iridium] . Oxford : [Oct.] 1894. 

 Price £2 2s. net. 

 The completion of the third part of the four into which Mr. 

 Jackson's magnum opus is divided demands a brief record in these 

 pages. A fuller notice of the first part was published in this 

 Journal for 1893 (pp. 310-317), and most of what was then said 

 applies to this recent instalment. The almost daily use of the 

 work, so far as issued, for more than a year only intensifies the 

 indebtedness which one feels to Mr. Jackson for the time and 

 trouble spent upon his arduous undertaking; and the steadiness 

 with which it is being pressed to a conclusion adds additional 

 warmth to our gratitude. Whatever criticism may be passed on 

 certain details of the work, nothing can detract from the benefit 

 which Mr. Jackson has conferred upon botanists throughout the 

 world by the compilation of this Index. 



One of the few points for regret is that some uniform rule as to 

 the spelling of names has not been adopted. All difficulty would 

 be avoided, if the name as proposed by the founder of the genus 

 were accepted ; but Mr. Jackson halts between two opinions, with 

 the usual result. For example, Eobert Brown, when founding 

 genera in honour of William Malcolm and of Matthiolus, wrote 

 their names Malcomia and Mathiola. Subsequent writers have for 

 the most part written Malrolmia and Matthiola, and no one has 

 been much the worse in consequence. But Mr. Jackson restores 

 the original spelling of Malcomia, while he follows the multitude in 

 writing Matthiola. Here are two exactly parallel cases treated in 

 different ways ! Mr. Jackson restores the original spelling — 

 Montanoa — for a genus which DeCandolle preferred to write 

 Montagnaa.* Bentham and Hooker have Montanoa, and it seems 

 doubtful whether the "tilde " can fitly be introduced into a Latinised 

 form of a Spanish name. Mr. Hemsley [But. Biol. Amer. ii. 164) 

 follows, and places all BeCaudolle's species of Montagnaa under 

 M< ntan »/, citing the I'rudnmnis for each. Mr. Jackson quotes each 

 of these as of Hemsley. Now, if the mere alteration of spelling 



Matthiola incana of Brown, for he wrote Mathiola; and we shall 

 have to cite Mr. Jackson himself as the author of such names as 

 Maicumia torulosa, for Boissier, the founder of the species, places it 

 iu Malcolmia. Indeed, if we are to follow Mr. Jackson in his 

 pursuit of absolute accuracy, it seems to me that we must attribute 

 to him all the species with which he credits Mr. Hemsley; for it is 

 he, not Mr. Hemsley, who places them under Montanoa. 



(pronunuaE^ Prod. v. 564. 



