CORRECTIONS. 
Page 248, line 5 from bottom, for the "spikelets long," read '■ also of 
the spikelets." 
" 257, after line 7, insert " b. Culm triangular; sjnkelet solitary. 
" 258, line 4 from bottom, for " 5," read "c." 
" 281, line 20 and 21, for "belong to a species of &c." read 
"belong to Trichelostj'lis (T. complanata N. ab E. and T. 
mucronulata, Torr.") 
" 287, line 14, for " Killixgia," read " Ktllingia." 
" 288, line 16, dele " Kunth, VaJil and others,'' and add " Hypa3- 
lyptum, R. Br. prod. 1, p. 219. Species of Hypaelyptum, 
Vahl. Hypcelyptum, Kunth, syn. 1, p. 149. Lestih. ess. 
fam. cyp. p. 29, no. 20." (badly described.) 
" 304, line 14, for " albidus," read '• albida." 
" 304, line 3, after " slender," add " or rarely o." 
" 332, line 5 from bottom, for " specimens" read " specimen." 
" 242, line 15, after " Elttrospermum," add " Californicum." 
" 244, line 15, for " ed. 2," read " ed. 1." 
" 352, top line, for "ciliatifolius," read " ciliatifolia." 
" 355, line 15, for " mucroxulatus," read "mucro'ulata." 
" 379, line 17, for " ciliate,'" read " ciliata.'" 
" 383, line 5 and 8 from bottom, for "to know," read " liaye known." 
" 391, line 4, dele " even." 
" 392, line 6, and elsewhere, for " Schukhr," read " Schkuhr." 
" 394, line 3, from bottom, for " miralibis," read ^^mirabilis.'' 
" 400, line 22, for "cannot," read " can." 
" 403, line 19, dele " the succeeding species, viz." 
" 410, line 13, for " languinosa," read " lanuginosa." 
" 423, line 10, for " microdontus," read " microdonta." 
" 437, line 9, for " Carex," read " Cyperus." 
" 438, line 18, for " Hypeelyprutn," read " Hypeelytrum." 
" •' line 5 from bottom, for "appear," read "seems." 
" " line 4 from bottom, for "appear," read " appears." 
