206 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. fBulL 



Flixweed. Herb Sophia. 



Rare. Naugatuck, in waste ground (A. E. Blewitt) . June 

 — Aug. Fugitive from Europe. 



Sisymbrium Thalianum (L.) J. Gay. 



Stenophragma Thahana Celak. 

 Thale, Mouse-ear or Wall Cress. 



Rocky banks, ledges and dry or sandy fields. Rare at 

 Norwich (Mrs. E. E. Rogers), and at East Haven (Harger) ; 

 frequent along the Housatonic River at Oxford (Harger), 

 and occasional near the coast throughout the southwestern 

 part of the state. Mid-April — June. Naturalized from 

 Europe. 



HESPERIS L. Rocket. 



Hesperis matronalis L. (suitable to a matron). 



Dame's or Sweet Rocket. Damask or Dame's Violet. Sum- 

 mer Lilac. 

 Rare. Escaped from gardens to roadsides and waste 



places. Mid-May — July. Adventive from Europe. 



ERYSIMUM L. Treacle Mustard. 



Erysimum cheiranthoides L. (like Cheiran'thus, the Wall- 

 flower). 

 Wormseed or Treacle Mustard. 



Rare or local. Cultivated and waste ground or rocky 

 woods: Southington (Andrews), East Hartford (C. C. Han- 

 mer), Waterbury (Mrs. C. H. Lyman, Jr.), Salisbury (Mrs. 

 C.S.Phelps). June — July. Fugitive from Europe or farther 

 west, except at Salisbury where it seems native. 



RADICULA Hill. Water Cress. 



Radicula Nasturtium-aquaticum (L.) Britten & Rendle (classi- 

 cal name). 

 Nasturtium officinale R.Br. 

 Roripa Nasturtium Rusby. 

 Water Cress. True Water Cress. Crashes. Brooklime. 



In springs, ditches and along streams. Local and in all 

 degrees of abundance but in general rare eastward and fre- 

 quent westward. Late May — Oct. Naturalized from Europe. 



