193 



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tliose wlio met liim in tlie laboratory. Tlie writer looks back 

 with much pleasure on the time when Green was with him at Kew. 



Green was essentially a physiologist, in fact it was doubtful at 

 one time whether animal or vegetable physiology would claim his 

 allegiance. It was especially the chemical side of physiology, 

 and above all the subject of enzymes, which interested him, as 

 shown by his work on the physiology of germination and on the 

 proteids of latex, besides the Kew papers cited above. 



His researches in this field culminated in the publication, in 

 1899, of his important book on ^^ The Soluble Ferments and 

 Fermentation"; this work was translated into German, an 

 honour which does not often fall to the lot of an English botanical 

 author. 



Other, more general, books of his were his well-known ^^ Manual 

 of Botany," 1895-6, and his ^' Introduction to Vegetable 

 Physiology," 1900. 



In liis later years Green much interested himself in the history 

 of botany, publishing, in 1909, a work on that subject, bringing 

 down Sachs's classical History of Botany from 1860 to 1900. 



At the time of his death he had just completed a work specially 

 on tlie History of Botany in England, and it is hoj^ed that this 

 last product of his industrious life may soon see the light. 



Green was for 20 years (1887-1907) Professor of Botany to the 

 Pharmaceutical Society; afterwards he held the post of Hartley 

 Lecturer in Vegetable Physiology in the University of Liverpool ; 

 in hJs own University lie was Fellow and Lecturer of Downing 

 College. He was elected a Fellow of tlie Royal Society in 1895. 



D. H. S. 



Hedychiutn flavescens. — A bundle of stems sent under the 

 name of Iledychium flavescens has been recently received from the 

 Director of Agriculture, Ceylon, in order that its paper-maldng 

 qualities might be tested in comparison with Hedychittm 



coTonanum. 



The material was accordingly submitted to Messrs. Clayton 

 Beadle and Stevens, who report as follows : 



*^ The material arrived in very good condition, and, if it could ^ 

 be supplied in bulk in the condition in which it arrived, it would 

 be a very convenient form for converting into paper. 



'' We tested it by ordinary paper-making processes, and found 

 that it could be converted into paper, samples of which we enclose 

 herewith, which in a large measure resembles the paper obtained 

 from Hedychium coronarium. 



** By a process of direct conversion, whereby Iledychium 

 coronarium will yield paper equal to 90 per cent, of the dry weight 

 of the stem, H. flave'scens yielded 60 per cent. The probability 

 is that, by ordinary paper-making processes, by boiling under 

 pressure and subsequently beating and so forth, whereby 

 Hedychium coronarium has yielded in bulk 60 per cent, of paper, 

 the //. flavescens would yield probably about 40 per cent., but this 

 is a point that might be tested later on. The paper from 

 H. flavescens is ink-proof, and has a good rattle and strength, and 

 is what we call ' normal hide-bound ' paper. 



B 



