book-jS'otes, kews, etc. 359 



tributed by Waddell to tliis Journal, relating principally to Mosses, 

 from 1896 onwards; in the volume for 1910 he publishecl biographies 

 of George Stabler and James Martindale Barnes, who were among 

 his numerous correspondents. Rubi also occupied his attention : 

 notes on those collected by him in Yorkshire, Warwickshii-e, and 

 Worcestershire will be found in Journ. Bot. 1902, 296 ; 190S, 172 ; 

 in the Journal for 1900 (p. 445) is a note on the winter buds of 

 Zannicliellia, and in 1905 (p. 244) he criticized Mr. Praeger's 

 numbering of the botanical count^^-diyisions of Ireland. His collec- 

 tion of mosses Afas bequeathed to the l{o3^al College of Science, 

 Dublin, and his flowering plants to Queen's College, Belfast. 



At the meeting of the Linnean Society on 6th November, Colonel 

 H. E. Rawson read a paper entitled " Plant-sports produced at will.'* 

 He had observed near Cape Town, that shrubs of Kei-apple, Aberia 

 ca^ra, died when the}'^ were deprived of the full sun up to a certain alti- 

 tude in the early morning. This led to experiments in screening plants 

 about this hour, for various periods. ' Selective screening ' resulted 

 in various sports in form and modifications of colour in Tropceolum 

 ■majus. A special form of Papaver Rlioeas was obtained and fixed, 

 and other experiments were detailed. The author sums up thus : — 

 The intensity of the light regulates and modifies the coloured bands 

 upon all parts of the plant, which have been excited by interference. 

 In nature selective screening prevails universally, and these experi- 

 ments suggest that it is deserving of study, to bring out its latent 

 potentialities. 



In Mededeelingen Van's Sijks Herhirrium, Nos. 31-36 (1917 en 

 1918) which has recenth^ come to hand, Dr. Hans Hallier has a 

 long paper on the plants described in Aublet's Histoire des Planfes 

 de la Guiane Fran(j'aise (1775), and a short one on those of Patrick 

 Browne's Nafiiral History of Jamaica (1756: ed. 2, 1789). With 

 regard to the former, the extensive collection of Aublet's Guiana 

 plants from Herb. Banks in the National Herbarium, in which are 

 numerous t^qDCs of the plants described in the Histoire, should have 

 been mentioned; the species represented are ticked off in Banks's 

 copy of the work, and the identifications (by Dryander and others) 

 are often added in the margin. Dr. Hallier's remarks prefatory to 

 the paper on Browne's book suggest that his knowledge of the 

 plants, as well as of the literature concerning them, is far from 

 complete : he does not mention that Browne's plants are in the 

 Linnean Herbarium and formed the basis of the Plantarum 

 Jamaicensium PugillMS (1759) reprinted in Amoen. Acad. v. 389- 

 413 (1760). The most important omission is that of the long 

 account of Browne's work by Urban in Bymholce Antillance, i. 18-28, 

 wherein many of his genera are discussed. Browne's plants will all 

 be taken up in Faw^ett and Rendle's Flora of Jamaica, now in 

 course of publication ; reference may also be made to the article on 

 Browne's book published in this Journal for 1912, p. 129. 



The Gardeners' Chronicle of October 18 contains an interesting 

 article — the eighth of the series— by Mr. Keginald Farrer on his 

 Second Exploration in Asia. The Chronicle has also published in full 



