62 



RUPPIA L. 



R. maritima I.. Ditch-grass, f. 176. 

 Frequent along the shores. 

 ZANNICHELLIA L. 



Z. palustris pedunculata Gray. Horned Pond Weed. f. 178. 



Queens : Flushing, Bisky. 



NAIAS L. 



N. flexilis (Willd.) R. & S. Naiad, f. 180. 



Queens : Flushing, Leggett. Suffolk : Miller & Young. 

 ZOSTERA L. 



Z. marina L. Eel -grass, f. 183. 



Common along the shores. 



SCHEUCHZERIACEAE. 

 TRIGLOCHIN L. 



T. maritima L. Arrow-grass, f. 186. 



Kings : Calverley. Long Island, Hulst. Suffolk : Miller & 

 Young. 



ALISMACEAE. 



ALISMA L. 



A. Plantago-aquatica L. Water Plantain, f. 188. 



Frequent throughout the island. 



SAGITTARIA L. 



S. latifolia Willd. f. 195. 



Long Island, Hulst. Suffolk : Miller & Young. 

 S. rigida Pursh. f. 201. 



Queens : Richmond Hill. 

 S. teres Wats. f. 202. 



Queens : Cold Spring, Hulst. Suffolk : Wading River, Miller. 

 S. graminea Mx. f. 204. 



Long Island, Hulst. Queens : Jamaica, Ruger. Suffolk : Miller 

 & Young. 

 S. subulata (L ) Buchenau. f. 206. 



Long Island, Hulst. Queens : Flushing, Leggett. 



VALLISNERACIEAE 

 PHILOTRIA Raf. 



P. Canadensis (Mx. ) Britton. f. 207. 

 Long Island, Hulst. 

 VALLISNERIA L. 



V. spiralis L. Eel-grass, f. 208. 

 Suffolk: Miller & Young. 



