ABISTOLOCHIACEAE. 127 



5. PARIETAEIA L. 



1. Parietaria Pennsylvanica Muhl. Pellitory. M. p. 343. Shaded 

 rocky banks. Summer. 

 Bucks — Narrowsville (Br.), near Sellersville (Fr.)- Chester — 

 Phoenixville, Mart. (B. C.) (Sch.). Lancaster — York Furnace (Cr.) 

 (Le.), near Safe Harbor (Wn.). 

 Monmouth — Sandy Hook (C). 



Order 7. SANTALALES. 



Tree-parasites, with opposite leaves or scales; fruit a berry. 



Fam. 1. Loranthaceae. 

 Root-parasites, leaves alternate; fruit a drupe. Fam. 2. Santalaceae. 



Family 1. LORANTHACEAE D. Don. Mistletoe Family. 



1. PHOEADENDRON Nutt. 

 1. Phoradendron flavescens (Pursh.) Nutt. American Mistletoe. M. p. 

 345. On various deciduous trees. Summer. 

 Delaware — Middletown, Darby, Dr. Geo. Smith (Fu.), near Elwyn 

 (B. Sm,). Chester— (F.). Lancaster— {F.). Berfcs— Monocacy Junc- 

 tion (Ca.). 



Burlington — New Lisbon (C), Medford (Br.) (Re.). Camden — 

 Clementon (Br,), Atco, Kaighns Point (C). Gloucester— Near Mickle- 

 ton (He.), Swedesboro (Li.), Woodbury (C). ^aZem— Riddleton (Cr.), 

 Bushtown (Wa.), Woodstown (C). Cumberland— Yineland, Bridgeton 

 (C), near Millville (Le.). Atlantic — Tiammonton, Landisvillc (C). 

 May's Landing (He.). Ocean— Near Lakewood (C). Mo)pnouth—Ke\- 

 port (C). ilfe?Te/-— Hightstown (C). 



New Castle— Folly Woods, J. P. Richardson, Tatnall; Townsend, Canby. 



Family 2. SANTALACEAE R. Br. Sandalwood Family. 



1. COMANDRA Nutt. 

 1. COMANDRA umbellata (L.) Nutt. Bastard Toad-flax. M. p. 345. Dry 

 fields and thickets. Early siimmer. 



Order 8. ARISTOLOOHIALES. 

 Family 1. ARISTOLOCHIACEAE Blume. Birthwort Family. 



Acaulescent herbs ; perianth regular, persistent ; filaments distinct. 



1. Asartim. 

 Erect, leafy-stemmed herbs; perianth irregular; deciduous; anthers sessile. 



2, Aristolochia. 



1. ASARUM L. Wild Ginger. 



Sepals lanceolate-acuminate, not reflexed, longer than the hypanthium. 



1. A. Canadense. 

 Sepals triangular, merely acute, reflexed, about as long as the hypanthium. 



2. A. reflexum. 



1. AsARUM Canadense L. M. p. 348. Rich woods. Spring. 



