196 FLORA OF PHILADELPHIA. 



New Jersey— Common., 



New Castle— Col. Andrew's. Bare. 



5. CYTISUS L. 

 1. Oytisus scoparius (L.) Link. Scotch Broom. M. p. 537. Waste places 

 and in cultivation. Summer. 

 Philadelphia— Railroad bank, Paschallville (Ha. ) . Bucks— (P. ) . Dela- 

 ware — Glenolden, Dr. J. B. Brinton . (He.), above Tinicum (Gi.), near 

 Chester (Pr.) (W. Tr.)." Lancaster— Cut at Gap (Cr.). 



Camden — Cedar Brook (Ke.). Gloucester — Woodbury (Cr.) (He.) 

 Tomlin (Ja.). 



New, Castle ~- ; Summit Bridge, fllurgairoid, and along the Canal, Com- 

 mons. ,.,;, 



6. MBDICA60 L. Medic; 



Perennial; flowers violet, conspicuous. 1. M. sativa. 



Annual ; flowers bright yellow,, small. 



Pod 1-seeded, curved, not spiny. 2. M. lupulina. 



Pod several-seeded, spiny on the edges; spirally twisted. 



Pod Joosfely coiled, not furrowed on the edge. 3. : M. deuticulata. 

 Pod densely coiled, its edge furrowed. 4. M. Arabica. 



1. Medioago sativa L. Lucerne, Alfalfa. M. pV'538. Cultivated for fod- 



der and escaped. Summer. 



2. Medicago lupulina L. Black Medic, Nonesuch. M. p. 538. Fields 



and waste places. Spring to winter. 



3. Medicago denticulata Willd. M. p. 538. Ballast. Summer. 



Philadelphia^- Philadelphia Navy Yard, I. Burk (Fu.), Mayland's Gar- 

 den (Te.). Bucks— (P.). . .. , i 



Camden— Kaighn's Point, C^A.Boice (B. C.) (Ja.). Mercer— Tren- 

 ,ton(C). 



4. Medicago Arabia . All. M. p. 538. Waste places and ballast. Summer. 



Philafl-ApMa— Wissahickon (Te.).' Bucks — Andalusia, Mart. (B. 1 C). 

 Delaware— (V.) . '' .: 



Camden — Kaighn's Point, 



New Castle— Field near 17th and Tatnall streets. 

 Medicago minima L. Ballast. 



Philadelphia— Greenwich Point (Te.). 

 Camden— Camden, I. Burk' (He.). 



7. MELILOTUS Juss. Melilot. Sweet Clover. 



Flowers white. 1. M . alba. 



Flowers yellow. r 2. M. officinalis. 



1. Melilotus alba Desv. M. p. 539. Waste grounds. Summer. 



2. Melilotus officinalis (L.) Lam. M. p. 539. Waste grounds. Sum- 



mer. , . 



Melilotus parviflora Desf. Ballast. Summer. 



Philadelphia— Old Navy Yard, 7. Burk (He.). 



Camden — Kaighm 's Point ( Ja. ) . 

 Ononis repens L. M. p; 539. Ballast. ■ Summer. 



Camden— Kaighn's Point (He.) (Ja.). 



