ADDITIONS AND CORRECTIONS. 



Page 13.— letli line from top, 1st column : Dele (4) Gerardia quercifolia PursI). 

 3d line from bottom, 2(1 column : Dele Polygonatlllll latilolium. 



Page 32. — Add to list of autumnal llowering species: 



Lepidium Virgiuicum (Howers and fruit), December 14, 1881. 

 Diantlius Armeria, October 9, 1881. ^ 



Cerastium vulgatum, November 17, 1881. 

 Chrysogonum Virgiuiauum, October 9, 1881. 

 Linaria vulgaris, November 1, 1881. 

 Ath line from bottom: for seventeen, read twenty-two. 



Pages 34-47. — Correct all tables in Chap. IX by adding the following species: 

 Nasturtium ol)tusum. 

 Tanacetum vulgare. 

 Polygonum amphibium. 

 Quercus ilicifolia 

 Tofieldia pubens. 



Page 92. — Between Leucanthemum June, and Arnica, insert: 



Tanacetum rulgarc, L. Tansy. 



Nichols aveniu", Uniontown, July 2(i, 1879. 



Page 9.^). — After Rhododendron maximum Chain Bridge, Va., insert: (Professor 



M. H. Doolittle). 



Page 123. — After Muscari hotryoides Falls Church road, insert: (Professor Chicker- 



ing). 

 Page 14t). — To Compositae, add one genus and one introduced herbaceous species {Tana- 

 cetum vulgare). 

 Page 147. — In Recapitulation : add one genns and one introduced herbaceous spe- 

 cies {Tahacetum vulgare) to Gamopetalie, Dichlamydeae, Dicotyledones. 

 Phaenogamia, Vascular Plants, and Total Flora. 



