APRIL 21 1*23 ^ ^<^tlT 
• *^.m? 1923 * 
3 
Guiailio^ of Cilrus - . ■ « - - ^ -* “ “ 
^ . HOWARD S. FAWCETT 
- ' , (Coinlribiitiea from CaUbmiia Agfrcultunl Experiment St»tt#n)i 
191 
Occurrence and Signi^cance of Phloem Necrosis in the Irish 
:^P^tO , t ', ^ ^ 
^ : ERNKT F. ARTSCHWA^R 
T ^ (Contrilijutioii irom BM^au of ^anf Industi^) 
- 237 
Cultivated and Wild Hosts of Sugar-Cane or Grass Mosaic - 
; E;W. BRAKD1S and PETER J. KXAPHAAK _ 
. " . , (Contiibution from BureaiLof Pla^ Industrie) 
247 
Pro 
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<C<mttlbiition bjoWKsnsae Agriebttural SWien) 
^ s '* r.- t ' ^ 
263 
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Pt^LI^H^ BY\ACTH0R1TY% .WE SECRETAElf taP AGE10lfl3tJ^ 
/ ; WJTltt«EOOOPERATICW 
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