172 Bulletin 187 



PHRAGMITES. Reed Grass 

 P. coiniiiuiiis Trin. (P. Phragmites [L.l Karst). Wild Broom Corn. 

 Swampy margins of ponds and lakes; occasional. 



POA. Meadow Grass. Spear Grass 



r. alsodes Gray. Moist woods; common. 



P. annua* L. Low Spear Grass. Waysides and fields; common. 



P. conipressa* L. Canada Blue Grass, Wire Grass. Dry fields and 



woods; common. 

 P. (lebilis Torr. Dry rocky woods in western Vermont; frequent. 

 P. laxa Haenke. Summit of Mt. Mansfield, (Robbins). 

 P. nemoralis L. Rocky woods and cliffs; occasional; very variable. 

 P. pratensis L. Kentucky Blue-grass, June Grass. Pastures and 



fields; common. 

 P. triflora Gilib. (P. serotina Elirh.). False Red Top, Fowl Meadow 



Grass. Wet soil; common. 



SETARIA. (CHAETOCHLOA). Bristly Foxtail Grass 



S. §rlauca* (L.) Beauv. Foxtail, Pigeon Grass. Fields; common. 



S. italica (L.) Beauv., var. germanica* (Mill) Richter. Italian or Ger- 

 man Millet, Hungarian Grass. Occasionally adventive but not per- 

 sistent. 



S. rerticillata* (L.) Beauv. Rough Foxtail Grass. Old garden, Bur- 

 lington, (Jones). 



S. Tiridis* (L.) Beauv. Green Foxtail, Bottle Grass. Fields and waste 

 places; common. 



SORGHASTRUM. (ANDROPOGON. CllRYSOFOGON ) 

 S. nutans (L.) Nash. Indian Grass, Wood Grass. Dry sandy soil in 

 the lower altitudes; occasional. 



SPARTINA. Cord or Marsh Grass 

 S. Micbaiixianu Hitchc. (S. cynosuroides Willd. in part). Slough Grass, 

 Tall Marsh Grass. Bellows Falls, (Carey). Shores of Lake Cham- 

 plain and tributaries; frequent. 



SPHENOPHOLIS 

 S. nitida (Spreng.) Scribn. (Eatonia Dudleyi Vasey). Colchester, 



(Torrey). 

 S. pallens (Spreng.) Scribn. (Eatonia pennsylvanica Gray). Moist 



rocky woods and marshes; frequent. 



SPOROBOLUS. Drop-seed. Rush Grass 



S. asi»er (Michx.) Kunth. Thompson's Point, Charlotte, (Pringle). 



S. neslectus Nash. Dry sandy soil in the lower altitudes; occasional. 



S. nniflorus (Muhl.) Scribn. & Merr. (S. serotinus Gray). Wet soil; 

 Ripton, (Boyce) ; Bakersfield, (Pringle) ; Peacham, (Blanchard) ; 

 frequent in elevated bogs, Windham County, (Grout). 



S. vaginiflonis (Torr.) Wood. Dry soil in the lower altitudes; occa- 

 sional. 



