JUNIPERUS L. (Juniper) 



89 J. COMMUNIS L. Stroudsburg, Delaware Water Gap. 



90 J. viRGiNiANA L. (Red Cedar.) One tree along road from Dunmore 



to Throop, Campbell's Ledge, Waverly. Not common. 



TYPHACEAE (Cat-Tail Family) 

 TYPHA L. 



91 T. LATiFOLiA L. (Common Cat-Tail.) Common. 



SPARGANIACEAE (Bur-Reed Family) 

 SPARGANIUM L. 



92 S. EURYCARPUM Engclm. (Broad-Fruited Bur-Reed.) Kingston pond 



holes. 



93 S. AMERicANUM, VAR. ANDRocLADUM Femald and Fames. Starlight. 



94 S. ANGUSTiFOLiUM Michx. (Narrow-Leaved Bur-Reed.) Frequent. 



95 S. SIMPLEX Huds. (Simple-Stemmed Bur-Reed.) Common. 



NAJADACEAE (Pondweed Family) 

 POTAMOGETON L. (Pondweed) 



96 P. NATANs L. Common in ponds. Hunlock's Creek. 



97 P. OAKESIANUS Robbins. Lake Winola. 



98 P. EPiHYDRUS Raf. Tobyhanna, outlet of Lehigh Pond. 



S)9 P. AMERicANus C. & S. (Long-Leavcd Pondweed.) Pocono Plateau, 

 Dr. J. W. Harshbcrger. 



100 P. AMPLiFOLius Tuckerm. Lake Winola. 



101 P. HETEROPHYLLUS Schreb. Lake Winola. 



102 P. PERFOLIATUS L. Susquchanna. 



103 P. OBTUsiFOLius Mertens and Koch. Howell's Pond, Wayne County. 



104 P. pusiLLUs L. Stevenson's Pond, Waverly, Crooked Lake, Lake 



Winola. 



105 P. LATERALIS Morong. Mount Pocono. 



106 P. VASEYi Robbins. Pond near base of Campbell's Ledge. 



107 P. FOLiosus Raf. Factory ville. 



108 P. HYBRiDUS Michx. Monroe County, Prof. Porter. 



109 P. DiMORPHUS Raf. Preston Park. 



110 P. ROBBiNsii Oakes. Gravel Pond. 



ZANNICHELLIA L. (Horned Pondweed) 



111 Z. PALusTRis L. Birdseye, Spring near Lake Scranton. 



NAJAS L. (Naiad) 



112 N. FLEXiLis L. Lake Winola, Lake Sheridan. 



JUNCAGINACEAE (Arrow-Grass Family) 

 SCHEUCHZERIA L. 



113 S. PALUSTRIS L. Tobyhanna. Ararat Marsh. 



15 



