CMVCIFEBAE. 159 



1. Lepidium campestke (L.) B. Br. • Cowwess. M. p. 445. Fields and 

 ■ waste places. Summer. 



2. Lepidium Draba L. M. #. 445. Ballast. ' Spring. 



Camden— Kaighn's Point (Ja.) (Wn.).. 



3. Lepidium ruderai.e L. M. p. 445. Roadsides, waste places, and ballast. 

 : Summer. , , > 



Philadelphia— Navy Yard, Mart. (B. C), West Philadelphia (Mac), 

 Girard Point (Te.). Northampton— Easton. Porter (B. C). 



Burlington— Moorestown"(Sts.).' Camden— Kaighn's Point. Mercer— 

 Trenton (C). . .,- • i 



New Castle — Streets, Port Penn^ Delaware City, wharves, Tatnall; 

 Swedes ' 'Church, Wilmington, Commons. 



4. Lepidium Virginicum. M. p. 446. Fields and roadsides. Summer. 



5. Lepidium apetalum Willd. M. p. 446. Dry places. Summer. 



Philadelphia — Philadelphia, Mart. (B. C.j, Greenwich Point (Te.J. 

 Bucks— Point Pleasant (Fr.). 



Camden— Camden, ballast, Mart. (B. C). Gloucester— Near Mickleton 

 (He.), near Swedesboro (Li.). 



Lepidium graminifolium L. Ballast. 



' Camden— Kaighn's Point (Ja.). 

 Lepidium Smithii Hook. Ballast. 

 Philadelphia— Girard Point (Te.). 



2. COBONOPUS Gaertn. Wart Cress, Swine Cress. 



Pod rugose, not crested. 1. C. didymus. 



Pod coarsely wrinkled, crested. 2. C. Coronopus. 



1. Coronopus didymus (L.) J. B. Smith. M. p. 448. Waste places and 



ballast. Summer. 

 Philadelphia— Byberry, Mart. (B. C), Greenwich Point, Girard Point 

 (Te.). 

 Camden— Kaighn's Point (Ja.) (Wn.). 



2. Coronopus Coronopus (L.) Karst. M. p. 446. Ballast. Summer. 



Philadelphia — Greenwich Point, Girard Point (Te.). C hester — (P.). 

 Camden— Kaighn's Point, C. A. Boice (B. C.) (Wn.). *~ 



3. THLASPI L. 

 1. Thlaspi arvense L. Pennycress. M. p. 447. Waste places and ballast. 

 Summer. 

 Philadelphia — Fairaiount Park, Mart. (B. C), Columbia Bridge, E. 

 Differibaugh (B. C). Bucks— Rock Hill (Fr.). Montgomery— Jenkin- 

 town (Pr.). Lancaster— Paradise (St.). 



Camden— Kaighn's Point (Ja.). Mercer — Trenton (C). 



4. ALLIARIA Adans. 

 1. Alliaria Alliaria (L.) Britton. Sedge Garlic, Garlic Mustard. M. p. 

 447. ' Waste places, woods, and along roadsides. "Spring. 

 Philadelphia— East of School Lane, Germantown (VP.). Montgomery 

 —Above Flat Rock Tunnel (VP.). 



