A GUIDE TO THE WILD FLOWERS 

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307 



941. Plants of salt water, or In brackish bays or inlets near 

 the sea. (Look out also for Nos. 934 and 940.) 



Leaves thread-like Ruppia no. 942 



Leaves tape-like Sea Wrack no. 943 



942. Ruppia. Ruppia maritima. (Zannichelliaccac.) A slen- 

 der often whitish-stemmed, branched, submerged aquatic. 

 Leaves 1-4 in. long, about ^2 i"- wide, sharp-pointed. 

 Flowers minute, in stalked clusters of 4-6, followed by small, 

 beaked, somewhat oblique nut-like fruits about ^ in. long, 

 or slightly less. In the sea or in brackish water along the 

 coast and in locally salt water in the interior. Fig. 942. 



943. Sea Wrack. Zostcra marina, (Zostcraceac.) A coarse 

 much branched submerged aquatic with flattened stems. 

 Leaves tape-like, often 3 ft. or more long, about ]^ in. wide, 

 sheathing at the base. Flowers inconspicuous, followed by 

 tiny flask-shaped fruits. In the sea, almost throughout the 

 world, in brackish waters along the coast, in locally salt 

 water in the interior, and often washed ashore by the surf 

 in long windrows. Fig. 943. 



944. Flowers on or above the surface, relatively showy, always 

 obvious and colored. 



Flowers yellow, or purple, or rose-pink no. 951 



Flowers blue or white 



Flowers blue, on an erect, hollow, scaly stalk 



Water Lobelia no. 945 



