iv DATES OF PUBLICATION 
Dates of Publication 
No. 1, for January. Pages I-54. Issued January 24, 1921. 
No. 2, for February. 55-76. February 18, 1921. 
No. 3, for March 77-100. March 8, 1921 
No. 4, for April 101-140. April 4, 1921 
No. 5, for May. 141-158. May 25, 1921. 
No. 6, for June. 159-188. August I, 1921. 
No. 7, for July. 189-218. September 26, 1921, 
No. 8, for August. 219-240. October 21, 1921. 
No. 9, for September. 241-262. December 13, 1921. 
No. 10, for October. 263-284. December 31, 1921. 
No. 11, for November 285-314. January 19, 1922 
No. 12, for December. 315-363. February 28, 1922. 
Errata 
Page 3, line 12 from bottom, for ‘‘Corcospora’”’ read Shisianeabel 
Page 37, line 13, for ‘‘stenophylla”’ read ei ophy 
Page 58, line 14 from bottom, for ‘‘ am, " read ° goo 
Page 125, line 15 —_ sosotnde 26 or “PLATE 1” read ‘‘ PLATE 2.” 
Page 126, line 9, for ‘‘—”’ read “2.” 
Page 247, line 5 from bottom, for “‘14’’ read ‘‘7.” 
