87 



Acalvpha Virginica L. 



One collection, Clay county, one Lee county. 



Croton glandulosns septentrionalis Muell. Arg. 



Occasional, roadsides and waste places. 



Croton Texensis (Klotscli.) Muell. Agr. 



Tallapoosa county (Mohr's Plant Life.) 



Crotonopsis linearis Michx. 



Frequent, dry roadsides and granite outcrops. 



*Euphorbia apocynifolia Small. 



Common, moist woods. 



Eui)horbia corollata L. 



Common, dry woods. 



^Euphorbia corollata paniciilata Ell. 



Common, dry woods. 



Euphorbia maculata L. 



Common, dry fields and waste places. 



*Eupliorbia olivacea Small. 



Occasional, dry woods. 



Euphorbia Preslii Guss. 



Common, cultivated fields. 



iJatropha stimulosa Michx. 



Frequent, dry open woods, usually sand. 



tStillingia ligustrina Michx. 



Banks of Tallapoosa river, Tallapoosa county. 



tStillino'ia SYlvatica L. 



Common, dry sandy land. 



Tragi a nepetaefolia Cav. 



Frequent, rocky turned out fields. 



ITraoia urens L. 



Occasional, dry open places. 



Callitricaceae. 

 Callitriche Austin! Engelm. 



Frequent, bare ground in old fields. 



- Callitriche heterophylla Pursh. 



Frequent, fioating in running water. 



