426 



BOTANY OF DELAWARE COUNTY. 



verticilata, L. Grows on the Ser- 

 pentine. 

 GoNOLOBus, Michx 



hirsutus, Michx. Near the Gulf. 



ORDER OLEACEJE. 



LiODSTRDM, Tourn. 



vulffare, L. (Privet.) 



Fraxixus, Tourn. 



Americana, L. (White Ash.) 

 puhescens, Lam. (Red Ash.) 

 sambucifolia, Lam. (Water Ash.) 



ORDER ARISTOLOCHIACE^. 

 AsARUM, Tourn. 



canadense, L. (Wild Ginger.) 

 Aristolochia, Tourn. 



Serpentaria, L. 



ORDER PHYTOLACCACE^. 

 Phytolacca. Tourn. 



decandra. L. (Com. Poke.) 



ORDER CHENOPODIACCEJil. 

 Chenopodium, L. 



album, L. (Lamb's Quarters.) 

 ambrosioides, L. (Wormseed.) 



ORDER AMARANTHACE.E. 

 Amaranthcs, Tourn. 



albus, L. 



hybridus, L. 



spinosus, L. 

 Acnida, L. 



cannabina, L. Along the tide- 

 water, abundant. 



ORDER POLYGONACE^. 

 Polygonum, L. 



orientale, L. (Prince's Feather.) 

 Pennsylvanicum. 

 Persicaria, L. (Lady's Thumb.) 

 hydropiper, L. 

 hydropiperoides, Michx. 

 aviculare. L. (Door-weed Grass.) 

 tenue, Michx. 

 Virginianum, L. 

 arifolium, L, 

 sagittatum. L. 



convolvulus, L. (Wild Buckwheat.) 

 dumetorum, L. (Climbing Buck- 

 wheat.) 



RUHEX, L. 



crupus, L. (Curled Dock.) 

 oblunif alius, L. (Bitter Dock ) 

 maritimus, L. (Golden Dock.) Tide- 

 water. 

 acetoaella, L. (Sheep Sorrel.) 



ORDER LAURACE^. 



Sassafras, Nees. 



officinale, Nees. (Sassafras.) 

 Benzoin, Nees. 



odoriferum, Nees. (Spice Wood.) 



ORDER THYMELEACE^. 



DiRCA, L. 



palustris, L. (Leather Wood.) For- 

 merly grew in Delaware County, 

 but is now probably extinct. 



ORDER SANTALACE^. 



COMANDRA, Nutt. 



umbellata, Nutt. 



ORDER LORANTHACE^. 



Phoradendron, Nutt. 



flavescens, Nutt. (Mistletoe.) Rare. 



ORDER SAURURACEiE. 

 Sadrurus, L. 



cernuus, L. (Lizard's Tail) 



ORDER CERATOPHYLLACE^. 

 Ceratophyllum, L. 

 demersum, L. 



ORDER CALLITRICHACE^. 

 Callitriche, L. 

 verna, L. 



ORDER PODOSTEMACE^. 



PODOSTEMUM, Michx. 



ceratophyllum, Michx. 



ORDER EUPHORBIACEtE. 

 Euphorbia, L. 

 corollata, L. 

 maculata, L. 

 hypericifolia, L. 



ACALYPHA, L. 



virginica, L. 

 gracilens, Gray. 



ORDER URTICACE^. 



Ulmus, L. 



fulva, Michx. (Slippery Elm.) 

 Americana, L. (White Elm.) 



Celtis, Tourn. 



occidentalis, L. Rather sparsely 

 distributed over the County. 



Maclura, Nutt. 



aurantiaca, Nutt. Planted for 

 hedges, but maintains itself well. 



MoRUS, Tourn. 



rubra, L. (Red Mulberry.) 

 alba, L. (White Mulberry.) 



