LANCASTER COUNTY. 



491 



ang Nettle 



ORDO XC. TJLMACEAE. 



1850 Ulmiis, L. 

 Americana, L 

 fulva, Mx. Slippery Elm 



ORDO XCI. CELTIDEAE. 



1851 Celtis, ToLirnef. 

 occidentalis, I,. Nettle tree 

 crassitblia, Lam 



OEDO XCII. MOKEAE. 



1856 Ivlorus, Touruef. 

 rubra, L. Red Mulberry- 

 alba, L. White Mulberry. 

 muUicauIis, Perrot. (var. of 

 alba) 

 1858 Bronssonetia, Vent, 

 papysifera. Vent. Paper Mul 

 berry 



ORDO XCIV. TJRTICACEAE. 



1879 Urtica, Touruef. 

 pumila, L 

 urens, L 

 dioica, L. Stin 

 Canadensis, L 



1884 Boehmeria, Jacq. 

 cylindrica, Willd 



1885 Parietaria, Touruef. 

 Pennsylvanica, Muhl 



ORDOXCV. CANNABINEAE. 



1890 Cannabis, Tournef. 

 sativa, L. Hemp 



1891 Humulus, L. 

 Lupulus, L. Hop 



ORDO XCVII. PLATANEAE. 



1901 Platanus, L. 

 occidentalis, L. Button wood 



ORDO XCIX. SALICINEAE. 



1903 Salix, Tournef. 

 Muhlenbcruiana, Willd 

 conifera, Waugenh 

 discolor Willd 

 longifulia, Muhl floio 



Baljijlonioi, I,. Weeping Wil- 

 Purshiana, Spreng 

 nigra, IMarsh 

 lucida, Muhl 

 Icordata, Muhl 

 grisea, Willd 

 vitellina, L. Yellow Willow 



1904 Populus, Tournef. 

 balsamifera, L 

 tremuloides, Mx. Asperl 

 grandidentata. Mx 

 heterophylla, L. 

 graeca. Ait. Athenian Poplar 

 dilatata. Ait. Lombardy Poplar 



CLASSIS XXVIJ.OLERACE- 

 AE. 



ORDO CI. CHENOPODEAE. 



1912 Atriplex, L. 

 hortensis, L. Orach 



1914 Acnida, Mitch, 

 cannabina, L 



1915 Spinacia, Tournef. 

 oleracea, L. Spinach 



1921 Blitum, L. 



capitatum, L. Strawberry 

 Elite 

 1924 Beta, Tournef. 



vulgaris, L. Beet 



cicla, L. Mangel Wurtzel 

 1930 Chenopodium, L. 



rhombifulium, Muhl 



album, L. Lamb's Quarters 



ambrosioides, L 



Botrys, L (seed 



anthelminticum, L. Worm- 



ORDO en. AMARANTACEAE. 



1972 Araarantus, L. 

 albus, L 

 hybriJus, L 

 spinosus, L 



ORDO cm. POLYGONEAE. 



1948 Rheum, L. 



rhaponticum, Ait. Pie Rhu- 

 barb 

 1986 Polygommi, L. 



aviculare, L. Knot grass 



ercclum, Muhl 



tenue, Mx 



punctatum, Ell 



mite, Pers 



Virginianum, L 



amphibium, L 



Pennsylvanicum, L 



lapathit'oUum, L 



Persicaria, L 



