218 FLORA OF PHILADELPHIA. 



€. Acer spicatum Lam. Mountain Maple. M. p. 608. Damp, rockj 

 woods. Spring. 

 J?ticfes— Pipersville (Fr.), Narrowsville (Ke.), Point Pleasant, river 

 shore (Ws.). Montgomery— Sumnejtoyvn (VP.). PeZau-are— Painters ' 

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

 Le/ii^Ti— Along the Lehigh (Kr.). Northampton— {P.). 

 Somerset— P^aT^ack (C). Hunterdon— ^iodkion (C). 



7. Acer Negundo L. Ash-leaved Maple, Box Elder. M. p. 608. River 

 banks. Spring. 



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

 Spring. 



Acer campestris L. Occasionally escaped from cultivatioiv 



Spring. 



Acer platanoides L. Norway Maple. Occasionally escaped 



from cultivation. Spring. 



Family 9. HIPPOCASTANACEAE T. & G. Buckeye Family. 



AescuLiUS Hippocastanum L. Horse-chestnut. Cultivated. Early 

 summer. 



Aesculus glabra Willd. Fetid or Ohio Buckeye. Cultivated. 

 Spring. 



Philadelphia— Pax\r&m's Garden (He.) (Li.). 

 Aesculus octandra Marsh. Sweet Buckeye. Cultivated. Spring. 

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



Delaware — Painters' Arboretum (He.). 

 Aesculus Pavia L. Bed Buckeye. Cultivated. Spring. 



Philadelphia— Pariram^s Garden (Li.). 

 Aesculus parviflora Walt. Cultivated. Spring. 



Philadelphia — Bartram's Garden (Ja.). 



Family 10. BALSAMINACEAE Lindl. JeM«rel-weed Family. 



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



Flowers orange or orange-yellow, mottled; spur incurved. 1. I. biflora. 



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



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



moist places. Summer. 



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



places. Summer. 



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. 



