116 NEW YORK STATE MUSEUM 



RUTACEAE 



Xanthoxylum americanum Mill. 

 Prickly ash 

 Roadsides at Apalachin and Barton. May. 



SIMARUBACEAE 

 Ailanthus glandulosus Desf. 

 Tree of heaven 

 Introduced from China. Escaped from cultivation at Barton. 

 It s])reads freelv both by seeds and suckers. 



POLYGALACEAE 

 Polygala verticillata L. 

 Whorled milkivort 

 Fields and roadsides in dry soil. Common. June-November. 



Polygala viridescens L. 

 P. sanffuinea L. 

 Purple milkwort 

 Hilltops near Apalachin. Infrequent. June- September. 



Poly gala senega L. 

 Seneca snakeroot 

 Apalachin, Owego and Barton. Infrequent. June. 



Poly gala paucifolia Willd. 

 Flowering ivinter green. Fringed milkwort 

 0]>en ^^oods and Ihickets. Common.. May-June. 



EUPH()RBTA(T.AE 

 Acalypha virginica T-. 

 I'hree- needed mercury 

 A weed ]>]entifnl in fields. June-October. 



Euphorbia maculata L. 



Spotted spurge. Milk purslane 



Drv. gravelly soil, specially along' railroads. Very common. 



June-October. 



Euphorbia nutans Lag. 



1'^.. p r e s 1 i i Guss. 



Large spotted spurge 

 With the last but less common. Mav-October. 



