LANCASTER COUNTY. 



491 



ORDO XC. ULMACEAE. 



1850 Ulniiis, L. 

 Americana, L 

 fulva, Mx. Slippery Elm 



ORDO XCI. CELTIDEAE. 



1851 Celtis, Tounief. 

 occidentalis, I,. Nettle tree 

 crassifolia, I, am 



ORDO XCll. MOREAE. 



1856 jMorus, Tounief. 

 rubra, L. '-fed Mulberry 

 alba, L. AVhite Mulberry. 

 muUicaulis, Perrot. (-war. of 

 alba) 

 1858 Broussonetia, Vent, 

 papysifera, Vent. Paper Mul- 

 betry 



ORDO XCIV. URTICACEAE. 



1879 Urtica, Tounief. 

 pumila, L 

 urens, L 



dioica, L. Stinging Nettle 

 Canadensis, L 



1884 Boehmeria, Jacq. 

 cylindrica, Willd 



1885 Parietaria, Tounief. 

 Pennsylvanica, Muhl 



ORDO XCV. CANNABINEAE. 



1890 Cannabis, Tournef. 

 saliva, L. Hsmp 



1891 Humu'.us, L. 

 Lupulus, L. Hop 



ORDO XCVII. PLATANEAE. 



1901 Plataiuis, L. 

 occidentalis, L. Button wood 



ORDO XCIX. SALICINEAE. 



1903 Salix, Tournef 

 Muhlenbergiana, AVilid 

 conifera, Wangenh 

 discolor, Willd 

 longifolia, Muhl flow 



Bahylodlca, \j. Weeping Wil- 

 Purshiana, Spreng 

 nigra, Marsh 

 lucida, Muhl 

 Tcordata, Muhl 

 grisea, Willd 

 vitellina, L. Yellow Willow 



1904 Populus, Tournef. 

 balsamifera, L 

 tremuloides, Mx. Aspen 

 grandidentata. Mx 

 heterophylla, L. 

 graeca. Ait. Athenian Poplar 

 dilatata, Ait. Lnmhardy Poplar 



CLASSIS XXVII. OLERACE- 

 AE. 



ORDO CI. CHENOPODEAE. 



1912 Atriplex, L. 

 hnrtensis, L. Orach 



1914 Acnida, Mitch, 

 cannabina, L 



1915 Spinacia, Tounief. 

 oleracea, L. Spinach 



1921 Blitum, L. 



capitatum, L. Strawberry 

 Elite 

 1924 Beta, Touraef. 



vulgaris, L. Beet 



cicla, L. Mangel Wurtzel 

 1930 Chenopodium, L. 



rhombifolium, Muhl 



album, \j. Lamb's Quarters 



ambrosioides, L 



Botrys, L (seed 



anthelminticum, L. Worm- 



ORDO CII. AMARANTACEAE. 



1972 Aniarantus, L. 

 albus, L 

 hybridus, L 

 spinosus, L 



ORDO cm. POLYGONEAE. 



1948 Rheum, L. 



rkaponticum, Ait. Pie Rhu- 

 barb 

 1986 Polygonum, L. 



aviculare, L. Knot grass 



erectum, Muhl 



tenue, Mx 



punctatum, Ell 



mite, Pers 



Virginianum, L 



amphibium, L 



Pennsylvanicum, L 



lapathifolium, L 



Persicaria, L 



