226 UMBELLIFERAE 



Pennsylvannia : Northampton ; Bucks ; Delaware ; Monroe ; Lan- 

 caster; A1.1.EGHENY. 



4. Aralia hispida Vent. Bristly Sarsaparilla. Wild Elder. 

 (Man. p. 668 ; I. F. f. 2629.) In rocky or sandy woods and clearings, 

 Newf. to N. C, Ont. Minn, and \n^.— Pennsylvania : Monroe ; Wayne ; 

 Dauphin ; Chester ; Huntingdon ; Lancaster ; Blair ; Cambria ; 

 Lackawanna. 



2. PANAX L. 



Rootstock fusiform : leaflets stalked, acuminate: berries bright crimson. 



1. P. quinquefolium. 

 Rootstocks globular : leaflets sessile, obtuse : berries yellow. 



2. P. trifolium. 



1. Panax quinquefolium L. Ginseng. (Man. p. 668 ; I. F./ 2630.) 

 In rich woods, Quebec to Ala., Minn., Neb. and Mo. — Pennsylvania : 

 Northampton ; Bucks ; Schuylkill ; Lancaster ; Susquehanna ; 

 Huntingdon ; Cambria ; Armstrong ; Washington ; Allegheny ; 

 Erie ; Somerset. 



2. Panax trifolium L. Dware Ginseng or Ground-nuT. (Man. 

 p. 668 ; I. F. / 2631.) In moist woods and thickets, N. S. to Ga., Ont., 

 Minn., Iowa and 111. — Pennsylvania: Pike; Monroe; Northampton; 

 Bucks ; Delaware ; Chester ; Lancaster ; Schuylkill ; Hunting- 

 don ; Erie. 



Family 2. UMBELLIFERAE B. Juss. Carrot Family. 

 Fruit with obscure or obsolete oil-tubes. 

 Fruit strongly flattened laterally. i. Hydrocotylb. 



Fruit not strongly flattened laterally, sometimes turgid. 

 Seed-face concave. 

 Stylopodium conic. 

 Fruit bristly-pubescent. 7. Washingtonia. 



Fruit smooth or smooth and glabrous. 

 Carpels not ribbed. 5. Anthriscus. 



Carpels ribbed. 6. Scandix. 



Stylopodium obsolete or flat. 

 Leaf-blades entire, perfoliate. 12. Bufleurum. 



Leaf-blades dissected. 11. Conium. 



Seed-face flat. 20. Aegopodium. 



Fruit with distinct oil-tubes. 

 Inflorescence glomerate, the flowers aggregated into dense heads. 



3. Eryngium. 

 Inflorescence manifestly umbellate. 



A. Fruit strongly flattened dorsally, the lateral ribs of the carpels more or 

 less strongly winged, 

 a. Oil-tubes solitary in the intervals. 

 Stylopodium conic. 

 Fruit not notched at the apex, the carpels not very flat. 



30. Oxypolis. 

 Fruit notched at the apex, the carpels very flat. 



34. Heracleum. 

 Stylopodium obsolete or flat. 



