ADDENDA. 
ate-dentate, glaucous beneath; peduncles co- 
rymbose, niitant. — Willd* and Pursh. 
Icon. Mich. f. Arb. forest, vol. 1. 
Sugar Maple. 
I 2 . April, May, In the woods above the falls of Schuylkill, 
west side. 
Page 186. vol. 1, before the synonyms of Polygo- 
num linifoliiim, add : 
Polygonum iinifoliiim, Muhl. 
ICOSANDRIA, PENTAGYNIA. 
Rubus page 233. vol. 1. No. 6. Rubus flagel- 
laris, add the following additional locality : 
In Jersey between Kaighn’s point and the ferry below,* 
abundant. June, 1818. 
POLYANDRIA. 
To Caltha palustris, p. 22. vol. 2, add the follow- 
ing additional locality : 
On Cooper’s creek and elsewhere common ; Mr. Collins. 
DIDYNAMIA, GYMNOSPERMIA. 
To genus Menthaf No. 265. vol. 2. p. 30, add 
the following species : 
No. 2. Mentha gracilis ; erect, somewhat smooth | 
leaves lanceolate, ovate, subsessile; spike slen- 
der; whorls very small, interrupted; stamens 
not exserted. — Mich, and Purs/u 
M. gracilis. 
M. tenuis, Pursh. 
M. viridis, Walt. 
In wet places^ and near springs and rivulets ; Mr. Collins. 
