1916] Flora of the Boston District,— XXIV 219 



EUCLID I UM. 



E. syriacum R. Br. Waif in hen-yard, Dedham (C. //. Knowlton, 



June 23, 1907, specimen in Gray Herb.). See Rhodora, x. 72, 1908. 



HESPER1S. 



H. matronalis L. Persistent and spreading in old gardens, road- 

 sides and waste places, frequent. 



IBERIS. 



I. amara L. Candytuft. Shawmut branch, N. Y., N. H. & H. R. R., 

 Dorchester (C. W. Sican, July 11, 1885); probably casual elsewhere. 

 Common in Europe, Asia Minor and Caucasus region. 



LEPIDIUM. 



L. apetalum Willd. Dry roadsides and waste places, very common 

 throughout. 



L. campestre (L.) R. Br. Waste places, frequent. 



L. perfoliatum L. Ballast ground, Chelsea bridge, Charlestown 

 (C. E. Perkins, 188-, specimen in herb. N. E. Botanical Club). Native 

 of southern Europe and the Orient. 



L. ruderale L. Waste places, abundant in and about Boston; 

 also at Gloucester, Chelmsford and N. Easton. 



L. virginicum L. Roadsides, gardens and waste places, very 

 common throughout. 



LOBULARIA. 



L. maritima (L.) Desv. Garden escape; Salem, Cambridge, 

 Roxbury, Dorchester. 



NESLIA. 



N. paniculata (L.) Desv. Hedgerow, Quincy St., Cambridge 

 (A. S. Pease, July 31, 1908); Charlestown (C. E. Perkins, June 19, 

 1883); campus, Wellesley, one record only (L. W. Riddle, Sept. 14, 

 1909); railway tracks, Wellesley (F. W. HunneweU 2d, — 1914). 



