Errata 
Page 57, line 4, for ‘concentration’ read “ dilution.” 
Page 57, line 27, for “‘ 3 per cent.’’ read “‘.5 per cent.”’ 
Page 57, line 29, for “1.5 per cent.” read “1 per cent.” 
Page 65, the percentages in the first section of Table I should be 
reversed : for “3%” read “ 144%,” for “114%” read “1%,” for 
“1%” read “144%” and for “ 4%” read ‘ 3%.” 
Page 133, last footnote, for “ Febuary’ read “ February.”’ 
Page 137, line 5, for “ hydrids”’ read ‘‘ hybrids.” 
Page 223, line 15, for 4. Battandieri read R. Battandiert. 
Page 261, line 19, for S. zzconspicua read G. inconspicua. 
Page 331, line 24, for ‘‘ upper leaves” read ‘‘ upper surface.” 
Page 340, line 26, for ‘“‘ babit”’ read ‘ habit.”’ 
Page 347, line 14, for Gymnopterus read Gymnopteris. 
Page 350, line 1; page 353, line 25; page 358, line 5, for ‘‘ Fee” 
sead © Fee." 
Page 352, line 26, for CHEILANTHUS read CHEILANTHES, 
Page 374, line 7, for MoNACHNE pUNCTATA read Monachne 
punctata. 
Page 377, line 34, for Isachne angustifolium read Isachne 
angustifolia. 
Page 378, line 35, for TRICHACHNE INSULARE read TRICHACHNE 
INSULARIS. 
Page 453, line 6, for ‘“‘presence’’ read ‘‘ precedence.” 
Page 503, lines 25 and 34, for “* Nemec’’ read ‘‘ Némec.”’ 
The Index to Recent Literature has contained a number of 
minor inaccuracies. The most important which have been noted 
are the following: # 
‘Claassen, E. Twice incorrectly spelled Claasen (page 184). 
Kearney, T. H. The Protective Function of Raphides. The 
_ pagination should be 244 instead of 224 (page 567). 
Norton, J.-B. S. Sclerotinia fructigena. The date should be 
1902 instead of 1892 (page 73). 
Smith, J. D. Enumeratio, etc. The date of part 5 should be 
1899 instead of 1903 (page 462). 
Van Tieghem, P. Wrongly spelled Van Teighem in one instance 
(page 570). 
