116 NEW YORK STATE MUSEUM 



RUTACEAE 

 Xanthoxylum americanum Mill. 

 Prickly ash 

 Roadsides at Apalacliin and Barton. May. 



SIMARUBACEAE . 



Ailanthus glandulosiis Desf. 

 Tree of heaven 

 Introduced from China. Escaped from cultivation at Barton. 

 It spreads freely both by seeds and suckers. 



POLYGALACEAE 

 Polygala verticillata L. 

 Whorled milkwort 

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



Polygala viridescens L. 

 P. s a n g u i n e a L. 

 Purple milkwort 

 Hilltops near Apalachin. Infrequent. June- September. 



Polygala senega L. 



Seneca snakeroot 

 Apalachin, OAvego and Barton. Infrequent. June. 



Polygala paucifolia Willd. 

 Floicering tointergreen. Fringed milkwort 

 Open woods and thickets. Common. May-June. 



EUPHORBIACEAE 

 Acalypha virginica L. 

 I'hree-seeded mercury 

 A weed plentiful in fields. June-October. 



Euphorbia maculata L. 



Spotted spurge. Milk purslane 

 Dry, gravelly soil, specially along railroads. Very common. 

 June-October. 



Euphorbia nutans Lag. 

 E. p r e s 1 i i Guss. 

 Large spotted spurge 

 With the last but less common. May-October. 



