310 A GUIDE TO THE WILD FLOWERS 



950. Floating Heart. Nymphoides lacunosum. (Menyan- 

 thaceae.) A curious aquatic with a few membraneous sub- 

 merged leaves and a single floating one that is oval or round- 

 ish and purplish beneath. Attached to the same stalk that bears 

 the floating leaf is a small cluster of white flowers all on short 

 stalks arising at the same point, and a cluster of narrow, 

 small tubes. In quiet water. Nova Scotia to Florida, and west- 

 ward. July. Fig. 950. See No. 799. 



951. Flowers yellow, or purple, or rose-pink. 



Flowers purple or rose-pink no. 958 



Flowers yellow 



Plant of the Daisy Family with yellow ray flowers, and thread- 

 like submerged leaves Water Marigold no. 952 



Plants without ray flowers, not of the Daisy Family 

 Submerged leaves not finely dissected or thread-like 



Flowers small, crowded in a club-like cluster 



Golden Club no. 953 



Flowers large, solitary at the ends of long stalks 

 Leaves deeply cleft at the base .... Spatter-dock no. 954 

 Leaves nearly round, not cleft, the stalk attached to 

 the middle of the leaf .... American Lotus no. 955 

 Submerged leaves finely divided ; plant with minute blad- 

 ders ; flowers irregular, spurred 



Flowers 1-5, about ^ in. long Bladderwort no. 956 



Flowers i or 2, about ^A in. long .... Bladderwort no. 957 



952. Water Marigold. Mcgalodonta Bcckii. (Bidens Beckii.) 

 (Compositae.) A showy aquatic with both submerged and 

 emersed leaves. Submerged leaves finely dissected into thread- 

 like segments. Emersed leaves few, opposite or in 3's, oblong 

 or lance-oblong, toothed or even deeply divided. Flowers yel- 

 low, in solitary or few heads, 1-2 in. wide, with usually 6-10 

 rays. In quiet waters. Quebec to New Jersey, and westward. 

 August. Fig. 952. For close relatives see Nos. 900 and 901. 



953. Golden Club. Orontium aquaticum. {Araceae.) A 

 rather fleshy aquatic with thick toothless, more or less, ob- 

 long leaves that are 2^-6 in. long, and ^4-2 in. wide. Flowers 

 small, yellow, without petals, but crowded on a densely 

 flowered club-like stalk that comes above the surface. In 



