iv DATES OF PUBLICATION 
LEVINE, MICHAEL. Studies on plant cancers—I. The mechanism of the 
formation of the leafy crown gall (plates 17, 18)... ........0-.-- eee ceees 
Woopsurn, WILLIAM L. Preliminary notes on the embryology of Reboulia 
Pep nehiCe tiiate TO yee err Ck. ee Seg kG vd Sao ee 
STEVENS, NEIL E. The development of the endosperm in Vaccinium corym- 
INDEX TO AMERICAN BOTANICAL LITERATURE, 31, 65, IOI, I5I, 189, 227, 279, 329» 
381, 417, 453, 481. 
TDR: TOT VOR ME CAG eng ce oo ee ee es es ee 489 
No. 1, for January. Pages 1-36. Issued January 20, 1919. 
No. 2, for February. 37-72. February 25, 1919. 
No. 3, for March. 73~-106. March 10, 1919. 
No. 4, for April. 107~156. May I, 1919. 
No. 5, for May. 157-104. May 23, 1919. 
No. 6, for June. : 195~234. July 8, 1919. 
No. 7, for July. 235~284. July 31, 1919. 
No. 8, for August. : 285~334. September 27, 1919. 
No. 9, for September. 337-388. October 17, 1919. 
No. 10, for October. 3 November 5, 1919. 
No. 11, for November. 423-460. December 8, I919- 
No. 12, for December. 461~502. December 31, 1919. 
Sisee 
—e line 12, for “ curea”’ read ‘‘ aurea.’ 
199, ine 17, for “‘that to”’ read “‘ to that.’’ 
a 207, line 8, Dlesmatodon] neomexicanus is a synonym of D. plinthobius (as 
ated on page 212) and not a species of Tortula, 
Page 261, line 12, for “* Cladastris’’ read ‘' Cladrastis.” 
Page 305, line 2 from bottom, for ‘‘ ophoides"’ read “ _SiRniass, a 
Page 306, line 13, for “ racemosa” read “‘ racemosus. 
Page 308, line 5, omit ‘* Aster laevis.” 
Page 312, last line, for ‘* Graphalium” read *‘ Gnaphalium.” 
Page 318, line 15, for ‘‘ Tolmei”’ read ‘‘Tolmiei.” 
Pages 335 and 336 are aR 
Page 412, line 15 from ** Phaksopsora” read “' Pha hakopsora.”’ 
Page 415, line 8 from Scie for * “ _— wg soroides”’ read ‘* Pela eoldes. 
Page 430, line 16, for ‘‘ memoralis”’ lis.”” 
Page 431, line 8 from bottom, for “ preany ‘read “* namie: os 
