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New York State Museum 



Equisetum arvense 

 hyemale 



Digitaria Ischaemum 

 sanguinalis 



Setaria lutescens 

 " viridis 



Phleum pratense 



Eragrostis peregrina 



Lolium perenne 



Agropyron repens 



Rumex Acetosella 



Polygonum erectum 

 aviculare 

 aviculare var. 



angustissimum 

 Persicaria 

 Convolvulus 



Chenopodium Berlanderi 



leptophyllum 



Mollugo verticillata 



Cerastium vulgatum 



Agrostemma Githago 



Lychnis alba 



Saponaria officinalis 



Silene antirrhina 



Lepidium densiflorum 

 campestre 



Capsella Bursa-pastoris 



Thlaspi arvensis 

 Sisymbrium altissimum 

 Barbarea vulgaris 

 Sedum triphyllum 

 Rubus flagellaris 

 Medicago lupulina 

 Malilotus alba 

 Euphorbia hirsuta 



nutans 



maculata 

 Hypericum perforatum 

 Apocynum androsaemifolium 

 Asclepias syriaca 

 Lappula echinata 

 Symphytum officinale 

 Prunella vulgaris 

 Verbascum Blattaria 

 Linaria vulgaris 



" minor 

 Plantago lanceolata 

 Erigeron annuus 

 Ambrosia artemisifolia 

 Tussilago Farfara 

 Cichorium Intybus 

 Tragopogon pratensis 

 Sonchus oleraceus 

 Lactuca scariola 

 Hieracium florentinum 



The railroad has a nearly north and south direction from 

 the state line north to Cold Spring and beyond. In most 

 places the tracks follow rather closely the base of the ad- 

 jacent slopes of the east side of the valley, and perhaps 

 because the prevailing winds are from the west in addition 

 to the fact that the east side of the right of way consists of 

 numerous banks higher by several feet than the tracks, 

 there has been deposited here during the many years 

 since the railroad was constructed a layer of cinders 

 which in many places is several inches in depth, and a dis- 

 tinct abundance of cinders can be found in many places 

 from 25 to 50 feet away, on the east side of the tracks, de- 

 pending upon the slope and presence or absence of trees 

 thereon. The absence of most of the adventive or nat- 



