110 FLORA OF PHILADKLPHIA. 



New Castle — Meadows below Granogue, Caiiby, Dr. Bullock. 



6. POGONIA Juss. 



Sepals and petals nearly equal and alike ; lip bearded. 1. P. ophioglossoides. 

 Sepals Ignger and narrower than the petals; lip not bearded. 



2. P. divaricata. 



1. POGONiA OPHIOGLOSSOIDES (L.) Ker. M. p. 297. Bogs. Summer. 



jSwcfcs— Rock Hill (Ja.) (Mar.). Montgomery— Edge Hill (Je.) (Re.), 

 Willow Grove (Mac). Delaicare—Tiniaum, Concord (W. Tr.). Chester 

 — Coatesville, H. E. Stone (B. C). Lancaster— Fleasant Grove (Ca.). 

 Berks— (P.). Le/w^/i— Black River (Kr.). 



New Jersey — General. 



Netv Castle— Not rare. 



2. POGONiA DIVARICATA (L.) R. Br. M. p. 297. Swamps. Summer. 



Burlington — Quaker Bridge, Batsto (C). 



7. ISOTRIA Raf. 



Lip crested along a narrow line down the face ; peduncle as long as the 

 capsule or longer. 1. I. verticillata. 



Lip crested over the whole face and lobes ; peduncle shorter than the cap- 

 sule. 2. I. affinis. 



1. IsOTKiA VERTICILLATA (Willd.) Raf. M. p. 297. Moist woods. Spring. 



Philadeliih'ia—l:^. E. Philadelphia (Me.). BmcAs— Andalusia, Mart. (B. 

 C), TuUytown (Cr.), Buckingham Valley (Ws.). Montgomery— Near 

 Bryn Mawr (Le.), Edge Hill (Re.). Delaware— Tinicum (Fu.) (B. Sm.), 

 Concord ( W. Tr.). Chester— W. Bradford Twp. (St.). Lancaster- (I'.). 

 LeMpi/i—Schaperal Woods (Her.). Northampton— (P.). 



Burlington — Florence (C). Camden — Camden, Haddonfield (C), An- 

 eora (Te.). Gloucester — Near Mickleton (Cr.) (He.), Wenonah (Gi.), 

 Swedesboro (Li.), Clarksboro, Red Bank (C). Salem — Salem (C), 

 Woodstown (Wa.). Atlantic — Hammonton (C). 



Ne^v Castle — Rogers, Farnhurst, Dixon's. Not very rare. 



2. IsoTRiA AKFiNis (Austin) Rydb. M. p. 297. Low woods. Early summer. 



Philadelphia — (P.). Chester — Two specimens collected in 1887 in North 

 woods at Westtown ; not since found (Le.). Berks — (P.). 



8. TRIPHORA Nutt. 



1. Triphora TKiANTHOPORA (Sw.) Rydb. M. p. 298. Rich woods. Summer. 



Philadelphia — N. E. Philadelphia (Me.). Montgomery— 'Sear Ardmore 



(Le.). Delaware— Ilavertord, Dr. Geo. Smith (Fu.), Radnor (W. Tr.). 



Chester — Cain Meeting House (St.). Lancaster — (P.). Lehigh— (P.). 



Northampton — ( P. ) . 



Salem — B.oad beyond Elmer (Wa.). 



New Casiie— Hockessin, Joshua Hoopes. Rare. 



9. ARETHUSA L. 

 L Arethusa bulbosa L. M. p. 298. Bogs. Early summer. 

 Chester— (P.). Lancaster — (P.). 

 Burlington — Tuekerton (Cr.). Gloucester — Near Woodbury (He.) 



