[ f58 ] 
ADDENDA. 
TETRANDRIA. To genus No. 78, page 85, add the 
following species : 
2, Ludwigia hirsuta ; erect, branched, Iiirsute ; 
leaves alternate, oblong, sessile, every where 
hirsute, peduncles one-flowered, axillary, cap- 
sules globose-tetragonous, crowned, base bi- 
bracteate. — Lainark. 
L. pilosa, Walt. 
In Jersey, a mile from the Delaware, opposite South-street ; 
Mr. Collins. Perennial. July, August. 
PENTANDRIA. To genus No. 99, page 106, add 
the following species : 
4. Convolvulus stans ; erect, tomentose, leaves ob- 
long-lanceolate, acuminate-cordate ; obtuse be- 
hind, peduncles one-flowered, bractes ovate- 
acute, segments of the calix lanceolate, stem 
flower-bearing below. — Fiirsh. 
Calystegia tomentosa, Pursb. 
Convolvulus stans, Mich. 
About eight inches high. Flowers white. In Jersey, east 
of Haddonfield; Mr. Collins. Perennial. June, July. 
