
60 CATALOGUE OF PLANTS. 
Potamogeton, Tourn. (Pondweed.) 
P. natans, L. Shallow water, common. 
P. Claytonii, Tuckerman. Gently flowing streams, common. 
P. hybridus, Michx. Still waters, common. 
P. pulcher, Tuckerman. Tom’s River. (Porter.) Also Atlantic 
City. (Canby.) : 
P. amplifolius, Tuckerm. Andover. (Porter.) 
P. gramineus, L. Hackensack River. (Avustin.) 
P. lucens, L. Upper part of M., not common. Hackensack River. 
(7G, 3:) 
P. perfoliatus, L. M. and Mer. (Dr. Torrey.) Hackensack creeks. 
Se ae 
P. crispus, L. Morris Co., common. Passaic. (7. C. B.) 
P. compressus, L. Waters of the Hackensack. (7. C. B.) 
P. paucifiorus, Pursh, Slow ranning streams, not rare. 
P. pusillus, L. Sloughs of the Hackensack. (Avstin.) 
P. Tuckermani, Robbins. Atsion, Camden. (Canby.) 
P. pectinatus, L. M. (Dr. Torrey.) Waters of the Hackensack. 
(7. C. B.) ; 
_ P. Robbinsii, Oakes. Budd’s Lake. (Porter.) Waters of the Hack- 
ensack. (7. C. B.) es 
ORDER 111. ALISMACEZE. WaAtTER-PLANTAIN FAMILY. 
Triglochin, L. (Arrow-grass.) 
T. maritimum, L. Wet grounds, M., not common. 
Scheuchzeria, L. (Scheuchzeria. ) 
S. palustris, L. Budd’s Lake, Mor. (Porter.) 
Alisma, L. (Water-Plantain.) 
A. Plantago, L. Wet places, common. 
Sagittaria, L. (Arrow-head.) 
Ve: variabilis, Engelm. Wet places, ponds, etc., common. Leaves 
vary from 3 in. to $ an inch in width. 
S. calycina, Engl. English Neighborhood, or Fairview, Bergen Co. 
(Austin.) 
S. pusilla, Nutt. Hackensack streams. (Dr. Torrey.) English 
Neighborhood. (Avustin.) Passaic. (W. H. Leggett.) Muddy shores of 
Delaware River, Camden Co. (Parker.) 
S. heterophylla, Pursh. Camden, wet places, frequent. (Canby.) 
ORDER 112. HYDROCHARIDACES. Froa’s-spirt FAMILY. 
Limnobium, Richard. (American Frog’s-bit.) 
L. Spongia, Richard. Swimming River, M., rare. 


