112 ARISTOLOCHIACEAE 



1. RAZOUMOFSKYA HoflFm. 

 1. Razoumofskyapusilla (Peck) Kuufze. Smai<i, MlsXl,ETOB. (Man. 

 p. 344 ; I. F. yi I2TI.') On twigs of spruces, N. H., northern N. Y. and 

 the Pocono region of Pa. — Pennsylvania: Monroe, Lehigh Pond, 

 bog near Tannersville on Picea Mariana ; Pike. 



2. PHORADBNDRON Nutt. 

 1. Phoradendron flavescens (Pursh) Nutt. American MiSTi,ETOS. 

 (Man. p. 345 ; I. F. /. izyz.) Parasitic on deciduous trees, N. J. to Mo., 

 Fla. and Tex. — Pennsylvania : Lancaster ; Schuyi,kii,i, ; Frankwn ; 

 Delaware ; Chester. 



Family 2. SANTALACEAB R. Br. Sandalwood Family. 



Herbs: flowers perfect. i. Comandra. 



Shrubs: flowers dioecious or polygamous. 2. Pyrularia. 



1. COMANDRA Nutt. 

 1. Comandra umbellata (L.)Nutt. Bastard Toad-flax. (Man. 

 p. 345 ; I. V. f. 1273.) In dry fields and thickets, Cape Breton Island to 



B. C, Ga. and Calif. — Pennsylvania : Northampton ; Monroe ; Bucks ; 

 Lancaster; Lebanon; Huntingdon; Pike; Chester; Delaware; 

 Allegheny. 



2. PYRULARIA Michx. 

 1. Pyrularia pubera Michx. OiL-NuT. BuFFalo-nuT. (Man. p. 

 346 ; I. F.y! '276.) In rich woods. Pa. to Ga., mostly in the mountains. 

 Pennsylvania : Westmoreland, near Mt. Pleasant. 



Order 8. ARISTOLOOHIALES. 



Family i. ARISTOLOOHIACEAE Blume. Birthwort Family. 

 Acaulescent herbs : perianth regular, persistent ; filaments distinct. 



1. ASARUM. 



Caulescent vines or herbs : perianth irregular, deciduous : anthers sessile. 



2. Aristolochia. 



1. ASARUM L. 



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. rejlexum. 



1. Asarum Canadense L. Wild Ginger. (Man. p. 348 ; I. F. /. 

 1277.) In rich woods, N. B. to Quebec, Oat. and N. C— Pennsylvania : 

 Northampton ; Lancaster ; Allegheny ; Huntingdon ; Erie ; 

 Somerset ; Chester ; Delaware. 



2. Asaium reflexum Bicknell. Short-lobed Wild GiNGER. (Man. 

 p. 349; I. F. /. 1277b.) In rich soil, along streams, Conn, to Iowa, N. 



C. and Kans.— Pennsylvania : Delaware; Lancaster; Franklin; 

 Bucks ; Northampton ; Allegheny. 



