MENTANTBACEAE. 257 



Bucks^ 'Buckingham Valley, C. A. Boice (B. C). Delaware— Darby 

 Creek below Kellyville, Dr. Geo. Smith (B. Sm.), near Media (Fu.), 

 Elwyn (IX. C.'S.).f Cheater— W. Bradford Twp. (St.). Lancaster— (P.). 

 Berks— (P.). 



Cwn&eWajid— Bridgeton (C"). 



tfew CastZe— Brandywine, TotnoH; Centerville, Greenbank, Commons; 

 Townsend, Canby. 



7. Gentiana Porphyrio J. F. Gmel. M. p. 734. Moist pine-barrens. 

 Autumn. 

 Burlington— "The Plains" (Br.) (St.), Atsion. ^tJontic-^Bgg Har- 

 bor, Mullica Eiyer (C), Hammonton (Je.), May's Landing .(Li.), Bl- 

 wood (Te.). 



4. BABTONIA Muhl. 

 1. Bartonia Virginica (L.) B. S. P. M. p. 735. Open woods. Late 

 summer. 



5. OBOLABIA L. 

 1. Obolaria Virginica L. Pennywort. M. p. 735; Moist woods. Spring. 



Philadelphia — Limekiln Pike and County Line ( Je.), Wissahickon 

 (He.) (Me.).. Bucks— Argus, Bock Hill (Fr.), Tylersport (Ja.), Sole- 

 bury Twp. (Ws.). Montgomery— Bryn Mawr (Ha.) (Ke.)„ Wynnewood 

 (Be;), 1 Chelten Hills (Te.). Delaware— Swarthmore, Dr. J. B. Brinton 

 (He.) (St.), Badnor (Cr.), Wawa (Sa.), Concord (W, Tr.). Chester— 

 Falls of French Creek (Ja.), Devon, B. A. Lang (VP.), Westtown (Le.). 

 Lancaster — York Furnace (Cr.). Berks — (P.). Lehigh — Near St. 

 Luke's Hospital (Kr.). Northampton— (P.). 



Camden— Haddonfield (C). Gloucester— Swedesboro (Li.). Salem- 

 Salem (C). Mercer— Asylum, Princeton, Lawrenceville (C). Somerset 

 Boeky Hill (.0,). . Bunterdon— Bloomsburg, Lambertville,; Eosemont (C). 



New Castle — Brandywine, Faulkland, Iron Hill, Canby and Tatnall. 

 Frequent. 



Family 4. MENYANTHACEAE G. Don. Buckbean Family. 

 Leaves 3-foliolate; swamp plant. 1. Menyanthes. 



Leaves simple, entire, cordate, floating. 2. Limnanthemum. 



1. MENYANTHES L. 

 1. Menyanthes trifouata L. Buckbean. M. p. 736. Bogs. Early sum- 

 mer. 

 Bucks— Bock Hill (Cr.) (Fr.). Lancaster— Near Lancaster (G&.). 

 Gloucester— Bepaupo (Cr.). 

 New Castle— Thompson's, Tatnall. Probably now extinct. 



2. LIMNANTHEMUM S. G. Gmelin. 

 1. Limnanthemum lacunosum (Vent.} Griseb. Floating Beart. M. p. 

 736. Shallow water. Summer. 

 Bucks— Bristol, Mart. (B. C.) (Te.). 



Burlington— Atsion (Fr.) (Te.), Quaker Bridge (Pr.) (Te.). Glouces- 

 ter— Center Square (He.), Malaga (Ha.), near Swedesboro (Li.). Sale'm 



