Francis Ernest Lloyd u/as born in 1868 0} Welsh 

 parentage in Manchester, England, coming to the United 

 States in 1882. After graduation at Princeton in i8gi, he 

 taught at Pacific University in Oregon for five years and 

 was then appointed Associate Professor of Biology at 

 Teachers College, Columbia University. During this period 

 of ten years he studied with Goebel {Munich) and Stras- 

 BURGER {Bonn). In IQ06 he became Investigator, ap- 

 pointed by the Carnegie Institution of Washington to work 

 at the Desert Laboratory at Tucson, Ariz. Research here 

 resulted in The Physiology of Stomata {Cam. hist. Publ. 

 no. S3). He then entered into a contract with the Con- 

 tinental-Mexican Rubber Company of New York to study 

 the biology of guayule {Parlhenium argentatum) in the 

 state of Zacatecas, Mexico, and in igii the book on Gua- 

 yule, a Rubber Plant of the Chihuahuan Desert ap- 

 peared {Carnegie Institution Publication no. ijg; reissued 

 in IP42). After four years as Professor of Botany in the 

 Alabama Polytechnic Institute, where he studied boll-shedding 

 in cotton (Environmental Changes and their Effect on 

 Boll-Shedding in Cotton, Gossj^iium herbaceum, Ann. 

 N. Y. Acad. Sci. zg: 1-131, ig2o) he was appointed Mac- 

 donald Professor of Botany in McGill University, and 

 Emeritus in igjs. Was chairman of Sect. G., A.A.A.S., in 

 ig2j; President of the American Society of Plant Physiolo- 

 gists in ig2y; of the Royal Society of Canada in igjj atid of 

 the Botanical Section of the British Association in igj4. 

 He is a Barnes Life Member of the American Society of 

 Plant Physiologists, Honorary British Fellow of the Botani- 

 cal Society of Edinburgh, and has received the D.Sc. honoris 

 causa, /row the University of Wales and from Masaryk Uni- 

 versity. — In igoj he 7narried Mary Elizabeth Hart, 

 formerly Professor of Biology in The Western College for 

 Women, Oxford, Ohio. 



