550. Asclepias perennis, Walt. [Bui 



Milkweed. 



551. Astilepias tiiberosa, L, 



Butterfly- Weed. 



552. Asclepias verticil lata, L. 



Wliovled MilKweed. 



553. Acerates viriditlora, Ell. 



Green Milkweed. 



554. i\ cerates longifolia. Ell. 



Green Milkweed. 



89.0LEACEAE. 



555. Fi'axiims Americana, L. 



Wliite Ash. 



5 5 1 ) . F r u X i 1) u s vi rid is, M i c 1 j x . 



(ireen Asli. 



55?. Syi inga vulgaris. Cult. 



LUiU-. 



82. ARISTDLOCHSJ^CEAE, 



558. Asaruiu Caiiadjns'.\ L. (.Sliip.) 



WikU-iingcr. 



83. NYCTAQSNACEAS. 



559. Owbaplms aibldus, ]j. 



oxyliaphus. 



85= CHENOPOOIACEj^E 



560. CheiKjpodiuui album, Jj. 



Lanilj'sQuiirter. 



561. Clienopodium liybvidum, L. 



Maple- Leaved Goosefoot. 



562. SalsolaKali, L 



(Common -altwort. 



I 83. AIVIARA^JTACEAE 

 503. Amaruutus pauiculatus, L, 



Auuiraiitli. 



5 64. Amarautus caudafcus, L. 



(Cult. 



Garden Amaranth. 



©7. POLYCOi^ACEAE, 



565. Polygouuin ^''lrg•l]lia^um, L. 



Knot weed. 



566. Polyguuum uiieutale, L. 



Trince's Keather. 



567. Polygonum Carevi, Oluey. 



[Sbip,] 



Jvnt)tweed. 



568. Pv.'lvgouuiu P.'.;iiisvlvaiiicum, 



[L. 



Jvni/itweed. 



560. Polygonum incarnatum, Ell. 



Knot weed. 



570. Polygonum persicaria, L. 



Lady's Thu;nl). 



571. Poiygoiium liydroj)iper, L. 



CoinniouSmartweed, 



■ >"rl Polygonum acre, II. B. K. 



Water Smartweed. 



513, Polygonum liydropiperoides, 



(Michx. 



Wild Water-reppc -. 



574. Polygoium umpliibiiini. L. 



Water J^ersicarhi. 



575. Polygomim .Vr(-icalatum, L. 



Knol weed. 



