268 MISSISSIPPI STATE GEOLOGICAL SURVEY [Bull. 
Low rich shaded soil. Biloxi (Tracy); Copiah Co. Oct. 
Geol. Surv. Herb. 
AGERATUM L. 
Ageratum conyzoides L. (A. Mexicana Sims). Mexican Ager- 
atum. 
Open waste grounds and fields. Oxford; Winona; Car- 
roll Co.; Warren Co.; Adams Co.; Star. July-Aug. 
EUPATORIUM L. Thoroughwort. 
Eupatorium capillifolium (Lam.) Small. (EH. foeniculaceum 
Willd.) 
Low moist ground in fields and pastures. Biloxi (Tracy) ; 
Utica (Dr‘ T. P. Bailey). Becoming troublesome weed in 
pastures of the Southern Counties. Fall. 
Eupatorium leptophyllum DC. 
Old sandy fields and dry open woods (Mohr.) Fall. 
Eupatorium purpureum L. (EK. ternifolium Ell.) Purple Bone- 
set. 
Rich damp soil edges of woods and thickets. Ripley; Ox- 
ford; Hinds Co.; Bay St. Louis (Allison). Summer. 
Geol. Surv. Herb. Allison Herb. 
Eupatorium trifoliatum L. Joe Pye Weed. 
Low rich moist soil, borders of fields (Small). Summer 
and fall. 
Eupatorium leucolepis. Torr and Gray. 
Low pine lands McHenry. Summer and fall. 
Eupatcrium album L. (E. glandulosum Michx.) White Flow- 
ered Boneset. 
Dry sandy soil in open woods throughout the state. Ox- 
ford; Jackson; Simpson Co. (Hilg. Ms.) Summer and fall. 
Eupatorium Mohrii Greene. 
Damp open pine lands toward the coast. Biloxi (Tracy) ; 
Woodland (Allison. ) 
