112 FLORA OF PHILADELVEIA. 



Burlington — Wrightstown (C), Atsion (Fr.). Camden — Longacoming, 

 Camden (C.)- Gloucester — Franklinville (C), Swedesboro (Li.), Cajye 

 Mai/— Cape May (Ja.). Atlantic— Ti.a.n\monion (C), Egg Harbor (He.) 

 (Mac.) (Wn.). 



New Castle — Mount Cuba, Serpeutiue, Commons; opposite Kentmere, 

 Canhy. 

 5. Gyrostachys gracilis (Bigel) Kuntze. M. p. 300. Dry fields and open 

 woods. Late summer and fall. 



12. LISTERA R. Br. 

 1. LiSTERA AUSTRALis Lindl. M. p. 302. Bogs. Spring. 

 C/ies^er— Near Valley Hills (P.). 

 Camden— Camden (C). Middlesex— Hev/ Brunswick (C). 



13. PERAMIUM Salisb. 

 1. Peramium PUBESCENS (Willd.) MacM. Rattlesnake Plantain. M. p. 302. 

 Dry woods. Late summer. 



14. ACHROANTHES Raf. 

 1. AcHROANTHES UNIPOLIA (Michx.) Raf. Adder's Mouth. M. p. 303. 

 Woods. Summer. 

 Philadelphia — Germantown (Me.). Delaware — Near Lima, Middle- 

 town, Dr. William Trimble (Fu.), Darby, Pusey 's Woods, Dr. Geo. Smith 

 (B. Sm.), Concord (W. Tr.). Chester— JJwchUn Twp. (Pr.), north of 

 Coatesville (St.). Lancaster— Pleasant Grove (Ca.). 



GioMcesfer— Swedesboro (Li.). Atlantic— Hammonton (Cr.). Mon- 

 mouth— Hed Bank, Keyport (C). Middlesex South Amboy, C. A. Boice 

 (B.C.). 

 iVew Casiie— Speakman 's. Rare. 



1,5. LEPTORCHIS Thouars. Twayblade. 



Raceme many-flowered ; lip as long as the petals. 1. L. liliifoUa. 



Raceme few-flowered; lip shorter than the petals. 2. L. Loeselii. 



1. Leptorchis liliifolia (L.) Kuntze. M. p. 303. Moist woods. Summer. 



P/wZadeZ/ji'iia- Wissahickon (.Je.) (Re.) (Wn.), Shawmont (Sa.), Ger- 

 mantown, common (St.). Buds — Rock Hill (Fr.), Argus (Ja.), Center 

 Bridge (Sts.) -(Ws.), Pineyville (Ws.). Montgomery — Shannonville (Cr.), 

 Gulf Mills (Mar.), Sumneytown (VP.). Delatvar e-Middletown (Fu.), 

 Wawa (Ja.), Media (Ke.) (Sa.) (Te.), Swarthmore (Pr.), Rhoads ' 

 Mills, Aston (B. Sm.), Chad's Ford (Te.) (Wn.), Concord (W. Tr.), 

 near Newtown (VP.). Chester — Malvern (Le.). Lancaster — York Fur- 

 nace (Cr.). BerTcs — Wernersville (Te.). LeM^ ft— Black River, Salsburg 

 (Kr.). PawpTiin— Rockville (Wn.). Northampton— (P.). 



Burlington — 'BoTflentown (C), Oliphant 's Mill (Wa.). Camden — 

 Camden (C). Gloucester — 'Near Mickleton (He.), Swedesboro (Li.). 

 Salem — Auburn (C), Riddleton (Wa.). Ocean — Manchester (C). 



New Castle— yLoxint Cuba (Ha.). General, not common. 



2. Leptorchis Loeselii (L.) MacM. M. p. 303. Wet thickets and springy 



banks. Early summer. 



