ADDENDA. 



BY ROBERT BUCHANAN. 



At the request of Mr. Clark, I have examined the foregoing 

 Catalogue, and have made the following additions to it. Many 

 of these plants were in his own collection, but were not in- 

 serted for want of time to revise his list. R. B. 



A, 



ACER, L. 



nigrum, Mx. black sugar-tree. 

 ACERATES, Ell. 



viridiflora, Ell. green milk-weed. 



ACNIDIA, Mil. 



canabina, L. water hemp. 



AMARANTHUS, L. 



albus, W. 



retroflexus, L. 

 AMMANIA, Hons. 



humilis, Mx. 

 ANAGALLIS, Town. 



arvensis, L. pimpernel. 

 ANDROPOGON, L. 



macrourus, Mx. Indian grass. 

 ANTHROXANTHUM, L. 



odoratum, L. sweet vernal-grass. 

 APOCYNUM, Town. 



androsaimicfolium, L. 



ARACIA, L. 



spinosa, L. 



ARABIS, L. 



hirsuta, L. scop. 



