Fumaria FUMARIACEAE— CRUCIFERAE Teesdalia 



Fumaria L. 



F. ofBcinalis L. Fumitory. 



An infrequent escape to cultivated ground. June. Adv. from 

 Europe. 



CRUCIFERAE (Mustard Family) 



Draba L. 



D. verna L. Whitlow Grass. 



A common weed in waste and cultivated ground. Late March, 

 April. Nat. from Europe. 



Thlaspi L. 



T. arvense L. Penny Cress. 



Infrequent; in fields and about mushroom houses. Late April, 

 early May. Nat. from Europe. 



Lepidium L. Peppergrass. 



L. virginicum L. Wild Peppergrass. 



Common weed of fields and roadsides. May to November. 



L. densiflorum Schrad. (L. apetalum Willd.) 



Rare weed in dry ground: "Old fields and wastes" (NC), E. 

 Tatnall, 2 June 1897 (D). Native of Eurasia. 



L. ruderale L. Narrow- leaved Peppergrass. 



An infrequent weed on city streets and wharves. Nat. from 

 Europe. 



L. sativum L. Garden Cress. 



A rare escape to streets and waste places; Wilmington, Com- 

 mons, 6 July 1898 (A). Introd. from Europe. 



Cjf s/ L. campestre (L.) R. Br. Field Cress. 



Common weed of fields and roadsides in the northern half of 

 our area. May, June. Nat. from Europe. J" a S^**Y' 



, Teesdalia R. Br. 

 T. nudicaulis R. Br. 



A single known station : sand of the upper beach of Chesapeake 

 Bay, w. of Kiptopeke (No), R. R. Tatnall, 3777, 21 May 1938 

 (T, G, A, P). April, May. Adv. from Europe. 



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