196 FLOE A OF PHILADELPHIA. 



New Jersey — Common. 



New Castle — Col. Andrew's. Rare. 



5. CYTISUS L. 



I. (Jytisus scopakius (L.) Link. Scotch Broom. M. p. 537. Waste places 

 and in cultivation. Summer. 

 PftiZadeipfeio— Railroad bank, Paschallville (Ha.). Bucfes— (P.). Dela- 

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

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



Camden — Cedar Brook (Ke.). Gloucester — Woo^nry (Cr.) (He.) 

 Tomlin (Ja.). 



New CosiZe— Summit Bridge, Murgatroid, and along the Canal, Com- 

 mons. 



6. MEDICAGO L. Medic. 



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



Annual; flowers bright yellow, small. 



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



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



Pod loosely coiled, not furrowed on the edge. 3. M. denticulata. 

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



1. Medicago sativa L. Lucerne, Alfalfa. M. p. 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 denticxtlata Willd. M. p. 538. Ballast. Summer. 



Philadelphia— Fhiladelphia Navy Yard, /. Buric (Fu.), Mayland's Gar- 

 den (Te.). Bucks— (P.). 



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

 ton (C). 



4. Medicago Arabi-^ . All. M. p. 538. Waste places and ballast. Summer. 



Philad'/vphia—y^iasahickon (Te.). Bwcfcs— Andalusia, Mart. (B. C). 

 Delaware— (P.) . 



Camden — Kaighn's Point. 



New Cost ie— Field near 17th and Tatnall streets. 

 Medicago minima L. Ballast. 



Philadelphia— GTeenyiich Point (Te.). 

 Camde?i— Camden, 7. Burk (He.). 



7. MELILOTUS Juss. Melilot. Sweet Clover. 



Flowers white. 1- M. alba. 



Flowers yellow. 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.). 



Cowideji— Kaighn 's Point (Ja.). 

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



Camden — Kaighn's Point (He.) (Ja.). 



