54 FLORA OF PHILADELPHIA. 



Eepaupo (Ja.), Swedesboro (Li.). Cape May— Cape May Point (Te.). 

 Monmouth — Squan (C,)- 



New Castle— Towhsend, Canby; Deakynes, Commons. 



3. Pestuca ovina L. ' Sheep 's Fescue. M. p. 146. Fields and waste 



places. Summer. ffrjCc^-r-".^' t|- l t,i«')^^ 

 Delaware— Swarthmore, E. T. Cresson, Jr. (B. Sin.). 

 Camden— Grenloeh (He.). Gloucester— Wenonah (He.);, Swedesboro 

 (Li.). Cage May— Wildwood (Li.). 

 Za. Festuca ovina duriuscula (L.) Hack. M. p. 147. 



Philadelphia— Girard Point (Te.). Bucks— Andalusia, Mart. (Fr.). 

 Chester— (P.) . Northampton— (P.) . 



Cape May— Cape May, Dr. Geo.' Smith (Fu.), Holly Beach (He.), An- 

 glesea (Li.). 



4. Pestuca elatior L. Taller Fescue. M. p. 147. Pields and waste 



places. Summer. 



5. Pestuca Shortii Kunth. M. p. 147. In woods and thickets. Summer. 



Lancaster— Dillerville Swamp (P.). 



62. BEOMUS L. Brome-grass. 



Lower empty scale 1-nerved, the upper 3-nerved. 



Awn shorter than the flowering scale or wanting; perennials 6-12 dm. tall. 

 Flowering scales glabrous, or pubescent on the margins. 



1. B. ciliatus. 

 Flowering scales densely pubescent all over the back. 



, , 2. B. purgans. 



Awn longer than the flowering scale;' low annuals 3-6 dm. tall. 

 Flowering scales appressed-hirsute, 8-12 mm. long. 



, - , i ; ,• 3. B. tectorum. 



Flowering scales sparsely appressed-hispidulous. 4. B. sterilis. 

 Lower empty scale 3-nerved, the upper 5-9-nerved. ' ! ' ' ' 

 Flowering scales awned. 



Flowering scales pubescent. 



Pubescence dense, consisting of long silky hairs. 



5. B. Kalmii. 

 Pubescence of short appressed hairs, 1 not dense 1 .. ' 



6. B. hordaceus. 

 Flowering scales glabrous or minutely roughened. 



Nerves of. the turgid flowering scales obscure; sheaths glab- 

 rous. ."'''■ 7. B. secalinus. 

 ! '' Nerves of "the flowering ' scale' prominent,; sheaths softly and 

 densely pubescent with , reflexed hairs. 8. B. racemosus. 

 Flowering scales awnless, nearly as broad as long. 9. B. brizaeformis. 



1. Bromus ciliatus L. Woodchess. M. p. 149. Woods and thickets. 



Summer, 



Philadelphia— Byberry, Mart. (B. C), Wissahickon (He.). Bucks— 

 Bock Hill (Fr.) (Ja.). Delaware— Hey 's Dam, Dr. Geo. Smith (Fu.), 

 Burmont (B. Sm.), Eidley Creek, Darby Creek, Crum Creek, Lewis Mill, 

 Castle Eock (VP.). Chester— Valley Forge (He.). Lancaster— (P.) . 

 Northampton — Easton, Porter (B. C). 



Cape May— Wildwood (He.). 



2. Bromus purgans L. M. p. 149. Woods and thickets. Summer. 



Philadelphia — Wissahickon (He.). Norffwnptoh — (P.). 



