146 FLOBA OF PHILADELPHIA. 



1. Magnolia TKiPETAiiA L. Umbrella-tree. M. p. 409. Woods and in cul- 



tivation. Spring. 

 Philadelphia— Bartr am.' s Garden, Zoological Garden, etc. Lancaster— 

 Along Susquehanna (Ca.), York Furnace, Fites Eddy (Le.), Tucquan 

 €reek (Pr.). 



2. Magnolia Virginiana L. Sweet Bay. M. p. 409. Swamps. Early 



summer. 

 P/ttiadeZ^^Ma— Bartram 's Garden (Pe.). Bucks— TiiWjtoMvn (Or.), near 

 Bristol (Fr.). Montgomery— y^iWow Grove (Ja.) (Mac). Delaware— 

 Tinicum (Fu.) (B. Sm.) (S. Tr.), near Lazaretto (Pr.), Concord (W. 

 Tr.). C/iesfer— Bank of Oetoraro Creek (Ca.). Lancaster— (P.). 

 New Jersey — Common. 

 New Castle— Common. 



Magnolia Fraseri Walt. M. p. 409. Cultivated. Spring. 

 Magnolia macrophylla Michx. M. p. 409. Cultivated. Spring. 

 Magnolia acuminata L. Cucumber-tree. M. p. 410. Cultivated, 

 Spring. 



2. LIRIODENDRON L. 

 1. Liriodendron Tulipifera L. Tulip-tree. M. p. 410. Rich soil. Early 



Family 4. ANONACEAE DC. Custard-apple Family. 



1. ASIMINA Adans. 



1. Asimina triloba (L.) Dunal. Papaw. M. p. 410. Along streams. 

 Spring. 



Philadelphia — Battram's Garden, Wissahickon and Schuylkill (Me.). 

 Bucks— 'Rock Hill (Fr.). Montgomery— Above Manayunk (He.), Lafa- 

 yette (Sa.) (Wn.), Flat Rock Tunnel (Te.). Delaware— 'Near Leedum's 

 Mills, Marple, Dr. Geo. Smith; Glen Mills, Ivy Mills, TV. S. Barker (Fu.), 

 Swarthmore (Pe.), Concord (W. Tr.), Painter's Arboretum, Media (Ws.). 

 Chester— Frenah Creek (S. Tr.). Lancaster— York Furnace (Cr.) (Ke.) 

 (Li.), Susquehanna Valley (Le.) (Pr.). £erA\s— Reading (Wn.). Dmt- 

 joM7)— Rockville, Steelton (Wn.). 



Atlantic— Thom-psontoyvn (C). Mercer— On Crosswick 's Creek (C). 

 Hunterdon— nidges Island (C). 



New Castle — Jessups, Tatnall ; Dupont 's, Allapokas, Stanton, Faulk- 

 land, Ashland, etc. 



Fimiily 5. RANUNCULACEAE Juss. Crowfoot Family. 



Carpels several-ovuled (1-2 ovules in Nos. 1 and 8) ; fruit a follicle or berry. 

 Flowers regular; leaves palmately nerved or palmately conapound. 

 Petals wanting. 



Carpels ripening into a head of red berries. 1. Hydrastis. 

 Carpels ripening into a head of dry follicles. 2. Caltha. 

 Petals present, narrow and small, linear, flat. 3. TroUius. 



Petals present, narrow and small, tubular at least at the base. 

 Sepals persistent ; stem tall, leafy. 4. HeUeborus. 



