ERRATA. 



Page 106. After generic description of Kigiopappus read 



"R. leptocladus. Niles. Spring." 

 Page 163. For " Gillia " read " Gilia." 

 Page 163. For "androscaea" read "androsacea." 

 Page 171. 6th line from bottom, for "decuscate" read 



"decussate." 



Page 172. 9th line from bottom, for "L" read "S." 

 Page 215. 7th line from top, after "]?." insert " 



Niles. Summer." 



Page 262. 10th line from bottom, omit comma between 



"late" and "dehiscent." 



Page 275. 12th line from top, for "7 " read "5." 

 Page 283. 4th line from top, for " Calif ornicus " read 



" Calif ornicum." 



Page 299. llth line from top, after "not " insert "at." 

 Page 311. 1st line, for ' ' tenela " read ' ' tenella. " 

 Page 330. For ' ' Pillularia ' ' read ' ' Pilularia. " 



