. 3^S Miihlenbergia, Volume z 



HORDEUM NODOSUM L. I, 4. Meadow barley. Infrequent 

 in moist ground, Columbia slough. Evidently a perennial here. 

 April to June. 



Elymus L. Wild rye; lyme grass. 



Elymus CONDRNSATus Presl. 4. Smooth lyme grass. Tall, 

 densely tufted perennial, not uncommon in moist bottom land, 

 Columbia slough. May to August. 



CYPERACEAE J. St. Hil. Sedge Family.' 



Cyperus [Tourn.] L. Lowland sedge. 



Cyperus aristatus Rottb. r. Awned Cyperus. {C. in- 



fiexus.) JNIuddy and sandy banks along Willamette river, along 



Columbia river near Vancouver, Columbia Beach, Hayden island, 



etc. Faintly fragrant in drying. June to September. 



Cyperus ervtiirorhizos Muhl. i. Red rooted Cyperus. 

 Wet ground near Oswego and borders of ponds, Bridgeton, Col- 

 umbia Beach, Hayden island, etc. July to September. 

 DuucHiuM L. C. Rich. 

 DuLiCHlUM ARUNDINACEUM (L.) Brittou. 4. Hollow sfcm. 

 (Z>. spathacetim.) Moist boggy ground near Oswego. July to Oct. 

 SciRPUS [Tourn.] L. Bulrush. 

 SciRPUS occiDENTALis (Wats.) Chase. 4. Tule. In wet, 

 boggy ground near Oswego and along St. Helens road below 

 lyinnton. June to September. 



SciRPUS MiCROCARPUS Presl. 4. Panicled bulrush. Creek 

 banks and moist woods, Macleay Park, Laurelhurst Park, etc. 

 June to September. 



Eleocharis R. Br. Spike rush. 



Eeeocharis obtusa (Willd.) Schultes. i. Ovoid spike rush. 

 {E. ovata.) Moist ground and about springs, Oswego. June to Sept 



EIvEOCHaris palustris (L.) R. & S. 4. Tall spike rush. 

 Moist ground, Mock's bottom. July to September. 



Eleocharis acicularis R. & S. 4. Needle spike rush. 

 Wet ground, Columbia slough. June to September. 

 Carex [Rupp.] L. Sedge. 



Carex monile Tuckerm, 4. Necklace sedge. Common in 

 wet ground and bottom lands, Suavie's island, Columbia slough, 



