30 SYRACUSE BOTANICAL CLUB'S COLLECTION 



P. ROBBINSII — Oakes, 1841. Robbin's Pondweed. 



Leaves linear, auricled at base. Flowers under water. 

 Apulia Pond, Aug., 1889. 



P. SPIRILLUS — Tucks, 1848. Spiral Pondweed. 



Embryo spiral. Leaves linear. Oonodaga Creek, July, 

 1900. 



RUPPIA— Lin, 1753. 



R. MARITIMA — Lin., 1753. Maratime Ruppia. 



Fertilizes above surface of water. After fertilization 

 peduncles coil, drawing fruit below the surface. Found 

 in a brackish puddle. Salt Marsh near Salina, July, 

 1895, by L. L. G. 



ZANNICHELLIA— Lin, 1753. 



Z. PALUSTRis — Lin., 1753. Zannichellia. 



Leaves filliform; Fruit submerged. Frequent. Pond, 

 Little York, July, 1897. 



NAIAS— Lin, 1753. 



N. MARINA — Lin., 1753. (N. Major, All, 1785.) Large 

 Naias. 

 Stem stout; Armed with prickles. Leaves coarsely 

 toothed; whorled. Frequent. Tully Lake, 1895. 



N. MARINA GRACILIS — Morong, 1885. Small Nais. 



Leaves narrow with teeth on edge and back. Marsh 

 near Long Branch. 



N. M.4JIINA RECURVATA — Dudley, 1886. Dudley's Nais. 



Leaves recurved ; 3 to 4 teeth on margin ; none on back. 

 One each side of base. Frequent. Onondaga and Cay- 

 uga Marshes. Long Branch, 1889. 



N. FLEXiLis — Root and Schmidt, 1824. Slender Nais. 



Leaves linear; pellucid; finely serrulate. Common. 

 Streams and roads. Summer. 



N. GRACILLIMA — Morong. (Mem. Torr. Club.) 1893 — 

 Thread-like Naias. 



Frequent. Plant capillary. Pools and ponds. July to 

 September. 



