52 WILD MEDICINAL PLANTS OF THE UNITED STATES. 



V Penthorum sedoides L. Virginia stonecrop family (Penthoraceae). 



Virginia stonecrop; ditch-stonecrop. 



Native, perennial herb, about 1 foot in height, growing in ditches and swamps 

 from New Brunswick to Minnesota, south to Florida and Texas. 



Part wed. — Herb (nonofficial.) 

 Pepper, water-. See Polygonum hydropiper. 

 Peppermint. See Mentha piperita. 

 Pepper-plant. Sec Polygonum hydropiper. 



Peramium pubescens ( Willd.) MacM. Orchid family (Orchidaceae). 



Synonym. — Ooodyera pubescens R. Br. 



Downy rattlesnake-plantain; rattlesnake-weed; netleaf-plantain; scrofula-weed. 



Native, perennial herb, 8 to 12 inches in height, occurring in rich woods from 



Newfoundland to Minnesota, south to Florida and Tennessee. Most common 

 southward. 



Pari used. — Plant (nonofficial). 



Peramium repens (L.) Salisb. Orchid family (Orchidaceae). 



Synonym. — (roodyera repens R. Br. 



White plantain; lesser rattlesnake-plantain; smaller netleaf-plantain; squirrel- 

 ear. 



A smaller plant than P. pubescens, but very similar to it and more common 

 northward. 



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Pari wed* — Plant (nonofficial). 



Persimmon. See Dhspyros virginiana. 



Phoradendron flavescens (Pursh) Nutt. Mistletoe family (Loranthaceae). 





Synonym. — Viscum flavescens Pursh. 

 Mistletoe; American mistletoe. 



Parasitic shrub, found on deciduous-leave. 1 trees from New Jersey to Missouri, 

 south to Florida and Texas. 



Parts used.— Leave! and branches (nom ifficial). 

 Phytolacca. See Phytolacca decandra. 

 j Phytolacca americana L. Same as Phytolacca decandra. 



Phytolacca decandra L.« Pokeweed family (Phytolaccaceae). 



Synonym. —Phytolacca amencana L.« 



Phytolacca; poke; pokeweed; garget; scoke; inkberry. 



Native, perennial herb, with large and branching stem, 6 to 10 feet high; in rich, 



moist soil, Maine to Minnesota, south to Florida and Texas. 



Parts used— Root : collected in autumn (official); fruit (official in U. S. P. 1890); 

 leaves ( nonoffi cial ) . ■ 



Picea manana (Mill.) B. 8. P. p ine family (Pinaceae). 



Synonym.— At s nigra Desf. 

 Black spruce; spruce-gam tree. 



Indigenous evergreen tree, 40 to 80 feet in height, glowing on elevated situa- 

 tions and m cold bogs from Canada south along the mountains to North ( !ar- 

 olina, and to Minnesota. 



Parts used.— Branches, and the essence obtained from the same (nonofficial). 

 Pilewort. See Erechtites hieracifo/ia and Serophularia marilandwa. 

 Pilot weed. See Silphium laciniaium. 



Pimpernel. See Pimpinella saxifraga. 



arn-rms 



Pimpernel, red. See Anagallh 

 Pimpernel, scarlet. See Anagattis arm,*; 



^^muS^^^ h%Qi Pri ° rity ***** b * ■»•■*•«. ■« P. ^anara L. is a d In con- 



