CORRECTIONS. 



Page 8. Under Ranunculus digitatus, for "Mt. Tobiu" read "Havallah." 



• Page 9". Under Ranunculus orthokhynchus, for " B.. amanus, Gray," read "B. adoneus, Gray, Froc. 



Phil. Acad., Mar. 1863, p. 56, {K. amosmis, Gray, Sill. Jour., «. o., 33. 12.") 

 Page 45. For"BBRGiA Americana " read "Bergia Texana." 



Page 48. Under Sph^ralcba Emorti, for " S. angustifolia, Benth." read " S. angmtifolia, Spach." 

 Page 48. For "Sidalcba acbrifolia" read " SPlliERALCEA' acerifolia." 

 Page 72. Under Astragalus Utahensis, for " 6,000 feet " read " 8,000 feet." 



Pago 115. In note, for " Seeds brown or black " read " Seeds yeUowisb-brown or sometimes black." 

 Page 116. Under Echinocaotus Whipplei, for "the upper much longer" read "the upper one 



much longer," and in note, for " Seeds brown or black" read " Seeds black or, rarely, brown." 

 Page 117. In note, omit "lateral" after "flowers." 

 Page 118. Under Opuntla SPHiEROCARPA, for "Utah" read "Nevada." In note, for " rather large 



flowers " read " mostly large flowers." 



Page 119. Under Opuntia brinacea, before " berry" insert " dry," and under O. pulchella, before 



"joints" insert "clustered." 



Page 120. Under Opuntlv aruorescens and 0. frutescbns, to the localities add " Northern Mexico." 



Page 164. Under Chrysopsis villosa, for " echinoides " read " ecliioides.'' 



Page 239. Under Mertbnsia paniculata, for (483) read (843.) 



Page 267. Under GiLU. Schottii, before "3-5-ovuled" insert "cells." 



Page 282. Under Asclepias fasciculaeis, for " A. verticillaris " read " A. vcrtioillata." 



Page 291. Under Ohionb piiyllostbglv, for "Utah" read " Central Nevada." 



Page 309. Under Ekiogonum inflatum, omit " the segments similar and subequal." 



Page 336. For "Lemna Valdbshna," read " Lbmna Valdiviana, Philippi." 



Page 365. Under Carbx Bonplandii, for " Var. minor, Olney," read " Var. minor, Boott." 



