60 

 Order 68.— ASCLEPIADACEJE. 85. 



1. ASCLEPIAS, L. 



Corniiti, Decaisne. (Milkweed.) 



Rich fields, &c. Frequent. June, 

 phytolaccoides, Pursli. (Poke Milkweed.) 



Moist thickets, &c. ; Brandywine. Not common. 

 June, 

 purpurascens, L. (Purple Milkweed.) 



Borders of woods, fencerows, &c. Frequent. July, 

 variegata, L. (Variegated Milkweed.) 



Rich woodlands; Brandywine, &c. Frequent. June, 

 quadrifolia, Jacq. (Four-leaved Milkweed.) 



.Rich woodlands. Frequent. May. 

 obtusifolia, Michx. (Wavy-leaved Milkweed.) 



Dry hills; Brandywine. Not common. July, 

 rubra, L. (Red Milkweed.) 



Borders of swamps; Thompson's, McCrone's. Not 

 common. July. (A. laurifolia, Michx.} 

 incarnata, 1 L. 



Wet grounds along streams. Common. July, 

 tuberosa, L. (Butterfly-weed. Pleurisy-root.) 

 Dry fields, fencerows, &c. Frequent. July. 

 ?verticillata, L. 



Is quite frequent in Chester Co., Pa., and most pro- 

 bably will be found on the serpentine knolls of 

 Christiana Hundred. 

 2. Acerates, Ell. 



viridiffora, Ell. (Green Milkweed.) 



Dry hills, &c. ; Newark (R. Kilvington) ; Mill 

 Creek (Dr. Michener). Rare. July. 



Order 69.-— OLEACEiE. 86. 



1. Ligustrum, 2 Town. 



vulgare, L. (Privet. Prim.) 



Roadsides and fencerows. Frequent. June. 



1 Fibre of the bark very strong. 



2 Popular in some sections as a hedge plant. 



