•J44 FLOBA QF PHILADELPHIA. 



7. Cornus altbknijolia L. f . M. p. 691. Wopds. Early summer. 



Philadelphia— Wissahickon near Thorp 's Lane £ Je.), Germantown (Me.), 

 " Schuylkill above Philadelphia (Pi.), Belmont Water-works, Old York 

 Eoad (Te.), Fairmount Park (Wn.). Bucks— Rock Hill (Fr.). Mont' 

 gomery— Schwenksville (Cr.). ; J)elamarQ— Upper Providence, common, 

 Dr. Geo. Smith (Fu.), Lansdowne (Pe.), Wawa (B. Sm.), Concord (W. 

 Tr.), Chester,. Valley Forge (peO. . Lancaster— (P.). Lehigh— Laury's 

 (Kr.). Northampton— (P.). Damplm— Harrisburg^ Ste,elton (Wn,). 



Burlington — Pemberton (C.). Gatm§em — Kirkwood (C), Magnolia 

 (Ha.). Gloucester— ]STear Mickleton (He.), Mantust (Ja.), Swetfesboro 

 (Li.).. Salem— Woodstowii (Wa.) , 



Mew Castle — Above Rockland, common. 



Gobnus MASCULA Dur- Introduced. Spring. 

 Philadelphia— Bartram ?s Garden (Ja.) (Ke.). 



2. NYSSA L. 

 1. Ntssa sylvatica Marsh. Tupelo>, Pepperidge, Black or Sow Gwm. M. 

 p. 691. Rich soil. Spring. ,.t 



Series 2. GAMOPETALAE. 



Order 1. ERICALES. 



Stamens free from the corolla, or merely adnate to its base, not united into 

 . a tube. • , ' ( ■ " 



i Ovary superior;, fruit a, capsule, or rarely drupaceous. 

 Corolla essentially polypetalous. 



Ovary 3-celled; shrubs; leaves deciduous. 



; ' Fam. 1. Gletlvrmme. 

 Ovary 4 : 5-celledj low,, mostly evergreen perennials. 



■ Fam. 2. Pyrolacede. ■' 



Corolla distinctly gamopetalous (except"in Monotiopa and Hypop- 



Herbaceous saprophytes without green leaves. ' ' 



•Fam. 3. Monotropaceae. 

 Shrubs with normal, of ten evergreen leaves. .. . ■, 



, , Fam, 4. Ericaceae, 

 Ovary inferior, adnate to the, calyx, forming a ma,riy -seeded berry or 

 drupe in fruit. Fain. 5. Vucciniaceae. 



Stamens borne at the sinuses of the corolla. Fam; 6. Diapensiaceae. 



Family 1.* CLETHRACEAE Klotsch. White Alder Family. 



I,' CLETHRA L. 

 ]_ Clbthba alnifoim L. White Alder, flweet Pepyerbush., M T p. 692. 



Wet copses. Summer. 

 . Philadelphia -? Byberry, r Mart. (B. C.),. Bucks — ^ullytown (Cr.) 

 (Mac), Buckingham Valley (Ws.), Penn Valley (Wn.). Delawfi/ne— 

 Tinicum, Ridley, H. C. Barker (B. 0.). Qhester—(P.). Northampton— 



.'■ P"-)„:, . , '_.' ... -; .", .'■ ■ 



New Jersey— Common. 



New Castle— Frequent. ,.;.... ■ . 



