197 
42. ZizANIA Aquatica, Linn.—Swampy margins of rivers.—Dela- 
ware (Smith’s Cat.); Chester (Fl. Cestrica); Philadelphia; Bucks 
(Moyer’s Cat.); Lancaster, above Shock’s Mill. 
43. HOMALOCENCHRUS VIRGINICUS (Willd.) Britton—Common in 
wet places.—Delaware (Smith’s Cat.); Chester (Fl. Cestrica) ; 
Bucks (Moyer’s Cat.); Northampton; Lancaster; Franklin, 
_ Traill Green ; nee Luzerne (Dudley and Thurston’s 
Cat.). 
44. HoMALOCENCHRUs ORYZOIDES (Linn.) Poll——Frequent through- 
out.—Delaware (Smith’s Cat.); Chester (Fl. Cestrica); Bucks 
(Moyer’s Cat.); Luzerne (Dudley and Thurston’s Cat.); North- 
ampton; Lancaster. 
45. ERIANTHUS ALOPECUROIDES (Linn.) Ell.—Very rare aid local.— 
Bucks, Burk, J. C. Martindale. 
46. ANDROPOGON PROVINCIALIS, Lam., (A. furcatus, Muhl.).—Com- 
mon throughout.—Delaware (Smith’s Cat.); Chester (Fl. Ces- 
trica); Philadelphia (Barton’s Flora); Lancaster; Bucks 
(Moyer’s Cat.) ; Northampton; Luzerne (Dudley and Thurston’s 
Cat.); Huntingdon, Lowrie. 
47. ANDROPOGON scopaARIUs, Michx.—Delaware (Smith’s Cat.) ; 
Chester (Fl. Cestrica); Philadelphia (Barton’s Fl.); Bucks 
(Moyer’s Cat.); Northampton; Luzerne (Dudley and Thurs- 
ton’s Cat.); Lancaster; Dauphin; Lebanon, Sma//; Centre, 
Rothrock ; Blair, Becking ; Erie, Clinton—-Common over the 
whole State. 
48. ANpRopocon Vircinicus, Linn—Not frequent.—Delaware 
(Smith’s Cat.); Chester (Fl. Cestrica); Philadelphia (Barton’s 
Fl.); Bucks (Moyer’s Cat.); Lancaster; Northampton; Luzerne 
(Dudley and Thurston’s Cat.). 
49. ANDROPOGON GLoMERATUs (Walt.), B. S. P—Rare.—Delaware, 
Charles E. Smith ; Chester (Fl. Cestrica); Lancaster. 
50. CHRYSopoGon NuTANS (Linn.) Benth.—On rocky banks; fre- 
quent.—Delaware (Smith’s Cat.); Chester (Fl. Cestrica); Bucks 
(Moyer’s Cat.); Northampton; Lancaster; Luzerne (Dudley 
and Thurston’s Cat.); Huntingdon, Backing. 
50a. Sorghum HALAPENSE (Linn.) Pers. —Fugitive. Eacaped 
from culture.—Philadelphia, Burk. 
51. PHaLaris Canarrensis, Linn.—Fug. from Eu.—Lancaster; 
Philadelphia, Charles E. Smith; N orthampton, Zj/er. 
* 
