84 SYRACUSE BOTANICAL CLUB'S COLLECTION 



P. PERSICARIA — Lin., 1753. Lady's Thumb. 



Waste places. Common. Goodrich Barn-yard, 1898. 



P. HYDROPIPEROIDES — Michx, 1803. Mild Water Pepper. 

 Shallow water and wet soil. Common. Centreville 

 swamp, 1890. 



P. HYDROPIPER — Lin., 1753. Smartweed; Water Pepper. 

 Ordinary soil. Common. Onon. St., Syr., Sept., 1898. 



P. PUNCTATUM — Ell, 1817. (Polygaimm acre — H. B. K., 

 1817). Dotted, or Water Smartweed. 

 Wet places. Common. Kirk swamp. Oct., 1898. 



P. ORIENTALE — Lin., 1753. Prince's Feather. 



Frequent. Escaped from gardens. Roadside. 1898. 



P. VIRGINIANUM — Lin., 1753. Virginia Knot Weed. 



Thickets. Rich soil. Common. Syracuse, July, 1899. 



P. AVICULARE — Lin., 1753. Knotgrass; Doorweed. 



Common everywhere in cultivated grounds. A noi- 

 some weed. Goodrich Veg. Garden, July, 1899. 



P. POLYGANUM ERECTUM — Lin., 1753. Erect Knotweed. 

 Roadsides. Common. Near James St. Bridge, West 

 Onon. St., Syracuse, Aug., 1897. 



P. RAMOSISSIMUM — Michx, 1803. Bushy Knotweed. 



Sandy, moist soil. Occasional. Pleasant Beach, Aug., 

 1898. 



P. TENUE — Michx, 1803. Slender Knotweed. 



Dry soil. Occasional. Roadside, Clay, Aug., 1895. 



P. CONVOLVULUS — Lin., 1753. Black Bindweed. 



Cultivated and waste grounds. Common. Stone wall. 

 Clay, Sept., 1886. 



P. CILINODE — Michx, 1803. Fringed Black Bindweed. 



Rocky hillside. Rare. Over old dilapidated wall. 

 Jamesville, 1897. 



P. SCANDENS — Lin., 1753. Climbing False Buckwheat. 

 Frequent. Moist thickets. Centreville, Aug., 1897. 



P. SAGITTATUM — Lin., 1753. Arrow Leaved Tear Thumb. 

 Marshy grounds. Common. Armed with prickles, 

 hence its name. Eddon swamp, No. Syracuse, Aug. 1897. 



