320 FLORA OF PHILADELPHIA. 



14. Eupatorium perfoliatum L. Boneset. M. p. 923. Low grounds. 



Summer. 



15. Eupatorium rbsinosum Torr. M. p. 923. Wet pine-barrens. Late 



summer. 

 Burlington— Ataion, Bear Swamp (St.), Brown Mills (Sts.). Camden 

 — Atco (He.), Ancora (Li.). Gloucester — Malaga (C). Atlantic — 

 Hammonton, New Germany (Fr.), May's Landing (Le:), Egg Harbor 

 (Wn.). Ocean— Manchester, Whiting (C), Toms River, Dr. Geo. Smith 

 (Pu.), Forked Biver (Ja.). M onmouth— Ocean Beach (C). 



16. Eupatorium ageratoides L. f. White Snake-root. M. p. 923. Bich 



woods. Summer and autumn. 



17. Eupatorium aromaticum L. M. p. 924. Dry soil and copses near the 



coast. Late summer. 



Montgomery— (P.). Delaware— On serpentine, Dr. Geo. Smith (Fu.), 

 Williamson (Ja.) (Wn.). Chester— On serpentine, Dr. Geo. Smith (Fu.), 

 West Nottingham Twp. (Le.). Lancaster— York Furnace (Cr.). Dau- 

 phin — Steelton (Wn.). 



Burlington— Burlington, Pemberton (C), Medford (Sts.). Gloucester 

 — Swedesboro (Li.). Atlantic— Ashland (C). Monmouth— Squan Vil- 

 lage, Freehold (0.). 



New Castle— Not common. 



18. Eupatorium coblestinum L. Mist-flower. M. p. 924. Moist soil. 



Autumn. 



Philadelphia— Byberry, Mart. (B.C.). Bucks— Rock Hill (Fr.). Dela- 

 ware—Media (Fu.) (B. Sm.). Chester— (P.). Lancaster— York Fur- 

 nace, Susquehanna Valley (Le.), Columbia (Pe.), Safe Harbor (Wn.). 



Gloucester— Swedesboro (Li.). Cape May — Cape May. 



New Castle— Bed Clay Creek, MeMinns, Elliott's Bun, Tatnall; between 

 Chestnut and Iron Hill, Commons and Tatnall; between Townsend and 

 Vandyke, Commons and Tatnall. 



5. WILLUGBAEYA Neck. 

 1. Willugbaeya scandens (L.) Kuntze. Climbing Boneset. M. p. 924. 

 Copses along streams. Summer. 



6. KUHNIA L. 

 1. Kuhnia eupatorioides L. M. p. 925. Dry soil. Autumn. 



Philadelphia— Brook's Mills (W. Tr.). Montgomery — Norristown, E. 

 Difenbaugh (B. C), Shannonville (Cr.). Delaware— Badnor, John Evans 

 (B. Sm.). Chester— On Valley Creek (Pr.). Lancaster — Near Lancaster 

 (Ca.). Lehigh— (P.). Northampton— 'Easton, Porter (B. C). 



Burlington— Birmingham (C), Medford (St.). Atlantic— Egg Har- 

 bor, /. Burk (He.). Middlesex — New Brunswick (C). 



7. LACINAEIA Hill. Button Snakeroot. Blazing-star. 



Involucre hemispheric, 10-25 mm. broad; 15-45-flowered ; heads peduncled. 



1. L. scariosa. 

 Involucre oblong, 4-8 mm. broad, 5-15-flowered. 2. L. spicata. 



Involucre narrowed at base; bracts usually very punctate; heads peduncled. 



3. L. graminifolia. 



