218 FLOBA OF PHILADELPHIA. 



6. Acer spicatum Lam. Mountain Maple. M. p. 608. Danip, ; rocky 



woods. Spring. 



Bucks— Pipersville (Ft.), Narrowsville (Ke.), Point Pleasant, river 

 •shore (Ws.). Montgomery— Sumneytown (VP.). Delaware— Painters ' 

 Arboretum (He.). Chester— Valley Forge (Le.) (St.). Berks— (P.). 

 Lehigh— Along the Lehigh (Kr.). Northampton— (P.). 



Somerset — Peapack (O). Hunterdon— Stockton (C). 



7. Acbb Negundo L. Ash-leaved Maple, Box Mlder. M. p. 608. Eiver 



banks. Spring. , 



Acer Pseudo-platanus L. Sycamore Maple: In cultivation. 

 Spring. 

 -J-- Acer campestris L. Occasionally escaped from cultivation. 

 Spring. 

 Acer platanoides L. Norway Maple. Occasionally escaped 

 , from cultivation. , Spring.' 



Family 9. HIPPOCASTANACEAE T. & 6. Buckeye Family. 



■^ ', Aesculus Hippocastanum L. Horse-Chestnut. Cultivated. Early 

 summer. • 



Aesculus glabra Willd Fetid or Ohio Buckeye. Cultivated. 

 Spring. 



Philadelphia— Bartram 's Garden (He.) (Li.). 

 Aesculus octandra Marsh. Sweet Buckeye. Cultivated. Spring. 

 Aesculus octandra hybrida (DC.) Sarg. Cujtivated. Spring. 



Delaware— Painters ' Arboretum (He.). 

 ■y^ Aesculus Pavia L. Bed Buckeye. Cultivated.; Spring, 



Philadelphia— Bartram 's Garden (Li.). 

 Aesculus parviflora Walt. Cultivated, Spring. 



Philadelphia— Bartram 's Garden (Ja.). 



Family 10. BALSAMINACEAE Lindl. Jewel-weed Family. 



1. IMPATIENS L. Balsam. JEwel-weed. Touch-me-not. 



Flowers orange or orange-yellow, mottled; spur incurved. i.I. biflora. 



Flowers pale yellow ; spur short, spreading. 2. I. aurea. 



1. Impatiens biflora Walt. Spotted Touch-me-not, , M. p. .611. Sandy, 



moist places. Summer. 



2. Impatiens aurea Muhl. Pale Touch-me-not. M. p. 611. Sandy, moist 



places. Summer,, ' • ' . , n , < 



Order 17. RHAMNALES. 



Shrubs, small trees or vines ; petals 4 or 5 ; fruit a drupe or capsule. 



Fam. 1. Ehamnaceae. 

 Vines, climbing by tendrils,, rarely shrubs ; petals caducous, fruit a berry. 



Fam, 2. Vitaceae. 



