BUREAU OF PLANT INDUSTRY 



29 



Bulb Caltnre Investisrations. 



David Griffiths, M. S., Ph. D., Ilort. 

 FlKLD ITkadquakters : 



Washington — Bellingham — 

 B. L. Peters, Sr. Sci. Aid. 

 Howard A. Ilouscr, Sci. .\i(l. 



Landscape Gardening and Floricnlture Invcs- 

 tirrations. 

 F. L. Miilford, P. S., Assoc. Hort. 



D. V. Lumsden, B. S., Jr. Hort. 

 Field Headijiarteks : 



Maryland — Glenn Dale — 



B. Y. Morrison. B. S., M. L. A., 

 Ahsoo. Hort. 



Nursery Stock Investigations. 



Guy E. Yerkes, B. S., Assoc. Hort. 

 Field IIeadquarteus : 

 California — Shaftor — 



L. B. Scott, B. S., Pomol. 

 Maryland — Glejin Dale — 



Charles F. Swingle, B. S., Asst. 

 Pomol. 



Nut Culture InTestigations. 



Clarence A. Reed, B. S., M. H., Assoo. 

 Pomol. 



E. R. Lake, M. S., Asst. Pomol. 



Field Heauijcarters : 



California — Sacramento — • 



Milo N. Wood, M. S., .Issor. Pomol. 

 Georgia — Phllema — 



J. L. I'elham, B. S., Askoc. Pomol. 



LIBRARY 



Jessie M. Allen, Asxt. lAUr., in charge. 

 Murjorio F. Warner, Asst. Libr. 

 Estlier M. Colvln, A. B., Jr. lAbr. 

 Helen B. Waterman,* B. A., Jr. Libr. 

 Martlia A. Slierni.'in, lAhr. .isxt. 



MYCOLOGY AND DISEASE SURVEY 



Cornelius L. Shear, B. S., A. M., I'll. D.. 



Sr. I'litU., in chiiri/r. 

 MycoloKical Collections. 



Vrra K. Charles, A. B.. .-is-ioc. Path. 



Willliim W. Dlehl, M. S., Assm-. Path. 



Anna 10. Jenkins, M. S., As^t. I'alh. 



Edith K. CiiHli, A. B., Jr. Path. 

 riant Disease Surrey. 



Koyal J. ilaskell. Ph. !»., .Ihkoc. Path., in 



vharpr. 

 (J. Hiimllton Miirtln, Jr.. .M. S.. Asst. 



Path. 

 William A. Archer, B. S., Ph. !>., A>ii>t. 



Path. 

 Jessie I. Wno«l, A. M., Jr. Path. 



NEMATOLOGY 



N. A. Colli), B. S., Ph. I)., Sr. Sniiatvl.. in 

 clMrgc. 



Frcc-Livinsr, Plant-Infesting, and Insect-In- 

 fpstind Nenfas; Mycorrhizal Investiga- 

 tions. 



O. Steiner, B. S., M. .\., Ph. D., Nematol. 



E. G. Arzberger, Ph. B., M. A., Asst. 

 Path. 



Mary Bradley, A. B., M. A., Jr. ycmntol. 



Edna M. Buhrcr, A. B., Jr. Sematol. 



Helen M. Heinly, A. B., Jr. Scmatol. 



Grace W. Sherman, A. B., Jr. ycmatol. 



Charles B. Batcman, Sr. Lab. Mrrh. 



Martin L. Harrison, Sr. Lab. ifcrh. 



Margaret N. Corder, Jr. Sri. Aid. 



Josephine F. Danforth,* Jr. Sci. .Aid. 



Eunice R. Harvcycutter,* Jr. Sci. Aid. 



Gertrude L. Power, Jr. Sci. Aid. 



Florence E. Woods,* Jr. Sci. Aid. 

 Field IlEADQiwitrEns : 



Utah— Salt Lake City- 

 Gerald Thorne, B. S., M. A., Assoc. 

 Nematol. 



Virginia — East Falls Church — 



J. R. Christie, M. S., Assoc. Scmntnl. 



PATHOLOGICAL LABORATORY 



Directed by Assoc. Chief of Bureau. 

 Nellie A. Brown, A. R., Assoc. Path. 

 Charlotte Elliott, A. M., Ph. D., .\ssoo 



Path. 

 R. E. B. McKenney, M. S., A. M.. Ph. D., 



Asst. Path. 

 Florence Hedges, A. B.. Asst. Path. 

 Lucia McCulloch, B. S. Asst. Path. 

 Mary K. Bryan, A. B.. Asst. Path. 

 Helen F. Smart,* A. B.. Jr. Path. 

 Lillian C. Cash. A. B.. Jr. Path. 

 Agues J. Quirk. Sr. Sci. Aid. 

 Edna H. Fawcett. B. L., Jr. Path. 

 James F. Brewer, Chief Sci. Illnstr. 



PLANT GEOGRAPHY AND PHYSIOL- 

 OGY 



Directed hy Assoc. Cldef of Bureau. 

 Plant Geography in Relation to I'lnnt In- 

 dustry. 

 U. L. I'ieliK'lsel. A. 1!., AsHnc. J'hi/siol. 



Plant Physiological Investigations. 



Fnmk L. C.'ll. I'h!/sii,l 



II. IlaHsellirlng. I'll. !».. A.^snc l'hiisi.,1 



S. L. Jodldi, B. S., I'll. 1)., .t.s»oc. 



Hiochcm. 

 (liarleH E. S:indo, M. S., Ph. !>.. Assoc. 



IHochem. 

 Maxwell Dressier, Jr. Sci. Aid. 



SEED LABORATORY 



Edgar Brown, Ph. B.. Sr. Hot . in rtiari/f. 



Seed Testing. 



Emma F. SIrrinc. M. S. Asi>t. Hut. 

 Leathii D. BunlluK. A. B.. Jr. Hot. 

 C. Christine Thygeson, B. S.. Jr. Knt. 

 Nelle B. Wilkinson, Ph. B.. Jr. Hot. 



