ALISMACEAE (Water-Plantain Family) 

 SAGITTARIA L. (Arrow-head) 



114 S. LATiFOLiA Willd. Kingston. 



115 S. ENGELMANNiANA J. G. Sm. Howcll's Pond. 



116 S. HETEROPHYLLA Pursh. Kingston. 



117 S. HETEROPHYLLA, VAR. ANGUSTiFOLiA Engclm. White Havcn. 



118 S. GRAMiNEA Michx. Lake Minnetaka, Long Pond. 



ALISMA L. (Water Plantain) 



119 A. PLANTAGO-AQUATicA L. Not rare. 



HYDROCHARITACEAE (Frog's Bit Family) 

 ELODEA Michx. (Water-Weed) 



120 E. CANADENSIS Michx. Not uncommon. 



VALLISNERIA L. (Eel Grass) 



121 V. SPIRALIS L. Lake Winola. 



LIMNOBIUM Richard. (American Frog's Bit) 



122 L. SPONGIA Richard. Howell's Pond, Wayne County ; Starlight. 



GRAMINEAE (Grass Family) 

 ANDROPOGON L. (Beard Grass) 



123 A. scoPARius Michx. Common in dry soil. Mountain Park. 



124 A. FURCATUS Muhl. Common on mountains. Plymouth. 



SORGHASTRUM Nash. 



125 S. NUTANS Nash. Fairview. 



DIGITARIA Scop. (Finger Grass) 



126 D. HUMiFUSA Pers. Common. 



127 D. SANGUiNALis Scop. (Crab Grass.) Common. 



PASPALUM L. 



128 P. SETACEUM Michx. Taylor. 



PANICUM L. (Panic Grass) 



129 P. CAPILLARS L. (Old-Witch Grass.) Common. 



130 P. MiLiACEUM L. (European Millet.) Nay Aug Park. 



131 P. DicHOTOMiFLORUM Michx. (Spreading Panicum.) Pocono Plateau, 



Dr. J. IV. Harshberger. 



132 P. viRGATUM L. (Switch Grass.) Common along rivers. 



133 P. AGROSTOiDES Sprcng. Susquehanna River, Pittston. 



134 P. DEPAUPERATUM Muhl. Frequent. 



135 P. DiCHOTOMUM L. Campbell's Ledge, Susquehanna. 



136 P. BARBULATUM Michx. Gouldsboro. 



137 P. BOREALE Nash. (Northern Panicum.) Pocono Summit, Prof. 



Porter. 



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