256 FLOBA OF PHILADELPHIA. 



Corolla with membranous, toothed or lobed plaits in the sinuses ; perennials. 



Margins of leaves and calyx'lobes scabrous or oiliate; seeds winged. 



Corolla-lobes distinct, longer than or equalling the plaits. 



3. G. Saponaria. 

 Corolla-lobes none or minute, the plaits very broad. 

 " 4. G. Andrewsii. 



Margins of leaves and calyxTlobes smooth or nearly so. 



Flowers clustered, sessile, 2-bracteolate under the calyx. 



Corolla-lobes ovate, twice as long as the plaits; leaves narrow; 



seeds winged. 5. G. flavida. 



Corolla-lobes triangular-lanceolate ; leaves obovate ; seeds wing- 

 less. 6. G. villosa. 

 Flowers solitary, peduncled, not bracteolate; leaves linear. ' 



7. G. Porphyrio. 



1. Gentiana cbinita Froel. Fringed Gentian. M. p. 732. Low grounds. 



Autumn. 

 Philadelphia — Wissahickon. Bucks — Rock Hill (Cr.) (Fr.) (Ke.), 

 Buckingham Valley (Ws.). Montgomery— Schwenksville (<Te.), Sumney- 

 town (VP.). Delaware — Marple, Cheyney (Fu.), Williamson, Wawa 

 (Sa.), Schofield's' Barrens Middletown (B. Sm.), Elwyn (U. C. S.), 

 Chad's Ford (Te.), Concord (W. Tr.), Mill Creek near Haverford (Le.). 

 Chester— Coatesville, H. E. Stone (St.). Lancaster— (P.). Berks— (P.). 

 Lehigh— East of Rhinetown Bridge near Jordan (Kr.). Northampton— 



(P.). : , 



Burlington— Pemberton (C). Camden— Lindenwold (VP.). Mon- 

 mouth — Keyport (C). 



New Castle — Lovering.'s; Twadell's, Tatnally Point Lookout, goutlj- 

 wood, Canby; Mount Cuba, Faulkland, Brandywine Spa, Goirrimons. 



2. Gentiana quinquefolia L. Ague-weed. M. p. 732. Moist hills. 



Autumn. '.. . , , x * ..,• , ■ ■ ...i ■ ', . : 



Bucks— Durham, Ruth (Fr.). Lehigh — Lehigh River below , Allentown 

 (Kr.). Northampton— Easton, Porter (B. C.). 

 Monmouth— Freehold (C). Mercer— Hightstown (C). 



3. Gentiana Saponaeia L. Soapwort Gentian. M. p. 733... Wet soil. 



Autumn. . . 



Bucks— Tullytown (Ja.). Montgomery— Edge Hill (Je.) (Re.), Wil- 

 low Grove (TJ. C. S.). Delaware— Haverford (Le.), Swarthmore (Pr.), 

 Tinicum (B. Sm.), Chad's Ford (Te.), Concord (W. Tr j. Chester— 

 (P.). Lancaster— Smithville (Ca.), York Furnace (Cr.). Dauphin— 

 Cold. Spring (P.)., 



Burlingto?i— Medford (Brr), Moorestown (Sts.). Camden — Kaighn's 

 Point, C. A. Boice (B. C), Berlin (Te.), Clementon, Lindenwold (VP.). 

 Atlantic— May's Landing (Le.). Monmouth— Swimming River, Shark 

 River (C). Mercer— Trenton, Princeton (C). Hunterdon— Rosemoht 

 CO.). 



New Castle— Hand's, Thompson's, P. Clark's, etc. Frequent. 



4. Gentiana Andeewsh Griseb. Closed Gentian. M. p. 733. Moist 



ground. Autumn. 



5. Gentiana elavida A. Gray. M. p. 733. Moist soil. Autumn. 



Bucks— Durham, Buth (P.). Lehigh— {P.). 



6. Gentiana villosa L. M. p. 733. Shaded places. Autumn. 



