PLANTS OP ONONDAGA COUNTY 31 



SCHEUCHZERIAZE/E— Agardth. 1858— Arrow-grass Fam. 



TRIGLOCHIN— Lin, 1753. 



T. PALUSTRIS — Lin., 1753. Marsh Arrow Grass. 



Leaves slender. Carpels club shape at maturity; split 

 from base upward, suspending from the three-winged 

 axis. Rare. Marsh near Onondaga Lake, Aug., 1885. 



T. MARITIMA — Lin., 1753. Seaside Arrow Grass. 



Leaves fleshy ; narrow. Fruit thick, tapering to six re- 

 curved points at summit. Occasional. Salt Marshes, 

 Onondaga Lake, June. 



ALISMACE/E— D. C. 1 805— Water Plantain Fam. 

 ALISMA— Lin, 1753. 



A. PLANTAGO AQUATICA — Lin. Water Plantain. 



Common, Marshes, ditches and borders of streams. 

 Border Onondaga Creek, Aug., 1900. 



A. TENELLUM — Mart, 1830. (Echinodurus Parvulus — 

 Engelm, 1850.) Dwarf Water Plantain. 

 Common. In shallow water and mud ; Sometimes sub- 

 merged. Creek. Onondaga Valley, Summer, 1900. 



SAGITTARIA— Lin, 1753. 



S. LATIFOLIA — Willd, 1806. (Sagittaria Variabilis — Enge- 

 lim, ISJfS). Broad-leaved Arrow-head. 

 Includes several varieties. Common. Aquatic or in 

 wet places. Summer. Skaneateles Lake, Aug., 1899. 



S. ARIFOLIA — Nutt, 1894. (S. Sagittaefolia var Minor — 

 Pursh.) Arum-leaved Arrowhead. 

 Frequent. Mud Lock, July, 1898. 



S. RIGIDA VAR ELLIPTICA — Engelm, 1859. Elliptic-leaved 

 Sagittaria. 

 Leaves broadly elliptical or with spreading appendages. 

 Frequent. Muddy shores. July. 



S. GRAMINEA — Michx, 1803. Grass-leaved Sagittaria. 



Leaves variable. Flowers few, mostly staminate. Fre- 

 quent. Long Branch, July, 1898. 



