FOLYGONACEAE. 131 



Winslow (C). G?o?icest<?r— Mickleton (He.) (Li.) Atlantic— Ha-vuvtion.- 

 ton (Fr.), Egg Harbor (He.) (W. Tr.) (Wn.). Ocean— Manchester, 

 Toms River (C). Monmouth— Ocean Grove (C). 



8. Polygonum hydropiperoides Michx. Mild Water -pepper. M. p. 362. 



Wet places. Summer. 



9. Polygonum Hydropiper L. Smartweed. M. p. 362. Moist waste 



places. Summer. 



10. Polygonum punctatum Ell. Water Smartweed. M. p. 362. Wet 



places. Summer. 



11. Polygonum orientale L. Prince's Feather. M. p. 363. Escaped 



from gardens into waste grounds. Late summer. 



12. Polygonum Virginianum L. M. p. 363. Woods. Summer. 



13. Polygonum aviculare L. Door-weed. M. p. 363. Yards and waste 



ground. Summer. 



14. Polygonum littorale Link. M. p. 363. Waste places. Late summer. 



No7-thami)ton—'Eastoii, Porter (B. C). 



15. Polygonum maritimum L. M. p. 364. Seacoast. Summer. 



16. Polygonum erectum L. M. p. 364. Moist or dry soil. Summer. 



17. Polygonum ramosissimum Michx. M. p. 364. Saline soil. Summer. 



Caiye May— Anglesea, Sea Isle (Li.), Cape May (U. C. S.). Atlantic 

 — Atlantic City (C). Monmouth — Bandy Hook (C). Middlesex — 

 Woodbridge (C). 



New Castle— Fort Penn (Pr.), Collins Beach, Commons. 



18. Polygonum tenue Michx. M. p. 365. Dry soil. Summer. 



19. Polygonum Convolvulus L. BlacTc Bindweed. M. p. 365. Waste and 



cultivated grounds. Summer. 



20. Polygonum cilinode Michx. M. p. 365. Rocky places. Summer. 



Bwcfcs— Tullytown (Cr.). Montgomery— BhannonyiWe (Cr.). Berks — 

 Hamburg (He.). Lehigh — Common (Kr.). Northampton — 'Easton,. 

 Porter (B. C). 



21. Polygonum scandens L. Climbing False Bucliivheat . M. p. 365. 



Moist thickets. Summer. 



22. Polygonum crlstatum Engelm. & Gray. M. p. 365. Sandy woods and 



rocky banks. Summer. 

 Delaware— Ca&t\e Rock (P.). 



23. Polygonum Zuccarinii Small. Japanese Knotweed. M. p. 366. Oc- 



casionally escaped from gardens. Summer. 



Philadelphia — Fairmount Park (He.) (Ke.) 36th and Woodland 

 Avenue (Mac). Montgomery— Bhannon-vWle (Cr.). BucTcs-Penn Val- 

 ley (Fr.). DeZawore— Lansdowne (Gi.) (Pe.). 



Gloucester— l^ear Mickleton (He.). 



New Casi^e— Gilpin Avenue and Jackson Street, Canby. 



24. Polygonum sagittatum L. Arrow-leaved Tear-thumh. M. p. 366. 



Low grounds. Summer. 



25. Polygonum .\rifolium L. Halberd-leaved Tear-thumb. M. p. 366. 



liow yronnds. Suinnier. 



