46 FLOSA OF PHILADELPHIA. 



Bucks— Hoot's Dam (Fr.). Delaware— Media. (B. Sm.). Chester — 

 (P.) • Lancaster— (P.) • Northampton— (P.) • Dauphin— (P.) • 



Camden— Lindenwold (VP.)- Gloucester — Mickleton (He.)j Swedes- 

 boro (Li.). 



New Castle— how meadows, frequent. 



39. AVENA L, 

 1, A^TiNA FATUA L. Wild Oat. M. p. 118. Ballast. Summer. 

 Cainden — Camden, I, Burk (He.). 



40. AREHENATHERUM Beauv. 

 1. Arrhenatherum elatius (L.) Beauv. Oat-grass. M. p. 118. Fields 

 and waste places. Summer. 

 Philadelphia — 'Bjherr J, Mart. (B. C), West Park, below Woodside 

 (VP.). Bucks — Langhorne (VP.). Montgomery — Green Lane (VP.). 

 C/ies^er— Thorndale (St.). Le/i.j^7t— Coplay (Kr.). 



Camden — Sicklerville (Ke.). Giowcesfer— MuUica Hill (He.), Swedes- 

 boro (Li.). Monmouth — Shark River (C). 

 New CasiZe— Fields and meadows, frequent. 



41. DANTHONIA DC. Wild Oat-grass. 



Empty scales 1.25 cm. long or less; sheaths glabrous or sometimes sparingly 

 pubescent at the base. 

 Teeth of the flowering scale about 1 mm. long, acute ; culm leaves short ; 



panicle contracted. 1. D. spicata. 



Teeth of the flowering scale 2-3 mm. long, awned; culm leaves elon- 

 gated; panicle usually open. 2. D. compressa. 

 Empty scales more than 1.25 cm. long; leaf sheaths villous. 



3. D. sericea. 



1. Danthonia spicata (L.) Beauv. M. p. 119. Dry or rocky soil. Sum- 



mer. 



2. Danthonia compressa Austin. M. p. 119. Woods. Summer. 



£e7- As— Hamburg (He.) (Ke.). 

 GZoucesier- Swedesboro (Li.). 



3. Danthonia sericea Nutt. M. p. 119. Dry sandy soil. Summer. 



^wrZin^fon- Speedwell (St.), Brown Mills (Te.). Camden — Spring 

 Garden (C), Lindenwold, Cedar Brook (VP.). GZowcesier- Williams- 

 town (He.), Swedesboro (Li.). Cape May— Batsto (He.). Atlantic — 

 Egg Harbor, Dr. Geo. Smith (Fu.), Hammonton (Te.). Oceaw— Man- 

 chester (C), Forked River (Mac). Mo?imon</i— Ocean Beach (C). 



42. CAPRIOLA Adans. 

 1. Capriola Dactylon (L.) Kuntze. Bermuda or Scutch-grass. M. p. 119. 

 Fields and waste places. Summer. 

 Philadelphia— T<iavy Yard, Dr. Geo. S7nith (Fu.), streets (Ha.). Bucks 

 — Bristol (P.). Delaumre — Marcus Hook (P.). Northampton — Bethle- 

 hem (P.). 



Camden— Camden (He.). GZoifeesfe;- — Mantua (He.), Swedesboro (Li.), 

 iSaZem- Shores of Delaware (C). 



New Castle— l^ew Castle, Wilmington, Commons. 



