202 Field Columbian Museum — Botany, Vol. i. 



Toxylon pomiferum Raf. Madura aurantiaca Nutt. 



Banks of the Ohio River, Mason Co., near Point Pleasant. 



{Millspaugli). 

 Papyrius PAPYRiFERA (Vent.) O. K. Broussonetia papyri/era Vent. 



URTICACE^. 

 Urtica gracilis Ait. 

 Urtica urens Linn. 



Urticastrum divaricatum (Linn.) O. K. Laportea Canadensis Gaud. 

 Adicea pumila (Linn.) Raf. Pilea pumila A. Gray. 

 Boehmeria cylindrica (Linn.) Willd. 



LORANTHACE^. 



Phoradendron flavescens (Pursh) Nutt. 



SANTALACE^. 



Pyrularia pubera Michx. 



Also found in Nicholas Co., along Peter Creek. i^Rev. A. 

 Boutlou. ) 



ARISTOLOCHIACE^. 

 AsARUM Canadense Linn. 

 AsARUM ViRGiNicuM Linn. 

 Aristolochia Serpentaria Linn. 

 Aristolochia macrophylla Lam. A. Sipho L'Her. 



POLYGONACE^. 



Erigonum Allenii Watson, in A. Gray, Man. Ed. 6, 734 (1890). 



Perennial, white tomentose throughout, the tall scape-like 

 stem repeatedly dichotomous above; radical leaves lanceolate, 

 long-petiolate, the upper in whorls of 4 or 5, ovate to ovate- 

 oblong, very shortly petiolate, much reduced above; involucres 

 mostly sessile; flowers glabrous, yellow, the segments elliptical. 

 Near White Sulphur Springs, Greenbrier Co. (Dr. T. F. Allen), 



Polygonum orientale Linn. 



Polygonum Pennsylvanicum Linn. 



Polygonum Persicaria Linn. 



Polygonum Persicaria /^?rw(Z albiflora Millsp. Fl. W. Va. 332 (1892).. 



Polygonum Hvdropiper Linn. 



Polygonum punctatum Ell. P. acre H. B. K. 



Polygonum hydropiperoides Michx. 



Polygonum Virginianum Linn. 



Polygonum aviculare Linn. 



Polygonum erectum Linn. 



Polygonum tenue Michx. 



