ERRATA AND ADDENDA 



Page 54, lines 3 and 2 from bottom, and elsewhere in Article III- for Cassia 



chamaechrista read Cassia chamae crista. 

 Page 62, between lines 4 and 5 from bottom of table insert Erigeron annuus. 

 Page loi, table, after Croton glandiilosus read var. septeiitrionalis; and for 



Eqtiisctitm laeznyatum read Eqitisetum hycmale var. intermedium. 

 Page 131, line 3, for coerulea read caerulea. 

 Page 138, last line, for Ziza read Zizia. 

 Page 141. line 21 from bottom, dele Diodia teres. 

 Page 169, between lines 3 and 4, insert as follows : 



Erigeron annuus CL.) Pers. An interstitial in the . b/unch-grass association 



in the Hanover area. 

 Page 177, line 5, for eastzvard read zvestward. 

 Page 209, line 3 from bottom, for copalina read copallina. 

 Page 210, line 13 from bottom, for Diospyrus read IJiospyro^. 

 Page 211, line 5, for Foresteria read Forestiera. 



Page 256, line 3 of table, for Dr. H. M. Pepoon read H. 5". Pepoon. 

 Page 278, line 16, the fifth word should be in Roman type. 

 Page 286, line 6 (second column), page 295, list of secondary species (second 



column), and page 353, line 8 from bottom, for hiemalis or hiemale read hye- 



inale. 

 Page 313, line 4 from bottom (first column), for pedicularis read pedicularia. 

 Page 315, line 10. second column, for Apoeynuni read Apocynuni. 

 Page 323, line 3 from liottom, for Cyperus read Scirpus. 

 Page 330, line 14, for virginianum read virginicum. 



Page 336, lines 3 and 2 from bottom, for virginicum read virginianum. 

 Page 337, line 2 from bottom, for philadelphicum read philadelphicus. 

 Page 339, in first list of invading species, for Rhus Iiirta read Rhus typhina. 

 Page 351, line 4 from bottom, for xerophtic read xerophytic. 

 Page 355, above line 6 from bottom, insert Scirpus hcterochaetus Chase. 

 Page 356, line 14 from bottom, for Symlocarpus read Symplocarpus. 

 Page 360, line 14, for Pirns read Pyrus. 

 Page 362, after line 7, insert Acer saccharintim L. 

 Page 363, line 2 from bottom, for quadiflorum read qnadriflorum. 

 Page 365, line 14, for thaptis read ihapsus. 

 Page 369, last line, for Tanecetum read Tanacclum. 

 Page 417. line i, dele the. 

 Page 497, line 9 from bottom, for neglible read negligible, and in foot-note, for 



Anstalt read .-Instalt. 

 Page 498, line 4 from bottom, for Lockport read Chillicothe. 

 Page 500, line 13 from bottom, after up insert in. 

 Page 501, line 2 from bottom, for dissolz'ing read dissolved. 



Page 504, line 22, for gryina read gyrina; line 17, for dentata read knickerbockeri. 

 Page 506, line 11, for vernata read ternata. 

 Page 507, line 3 from bottom, for Macon read zvagon. 



Page 513, line 19, for A^'^/'o read Zaitha; line 18, and page 517, line 13 from bot- 

 tom, page 520, line 12 from bottom, and page 532, line 4, read naid or iiaids 



for naiid or naiids. 

 Page 517. line 6 from bottom, for pondzveed read pickcrel-zveed. 



