356 



Rynchospora alba (L.) Valil. (Collected by L. M. Umbacli, July 



31, 1909.) 

 Rynchospora capillacea leviseta E. J. Hill. (2851, 2925) Beak Rush 

 Cladium mariscoides (Muhl.) Torn (2857, 2868, 2916) Twig Rush 

 Sderia triglomerata Michx. (2772) Nut Rush 

 Scleria verticillata Muhl. (3210) 

 Carex bebbii Ohiey. Sedge 

 Carex aurea Nutt. (2503) 

 Carex buxbaumii Wahl. (2504) 

 Carex comosa Boott. (2917) 

 Carex crawei Dewey. (2502, 2821) 

 Carex filiformis L. 

 Carex hystericina Muhl. (2787) 

 Carex lanuginosa Michx. (3027) 

 Carex muhlenbergii Schk. (2465, 3163) 

 Carex oederi pumila (Cosson & Germain) Fernald. (C. viridula 



Michx.) (2509, 2517) 

 Carex riparia W. Curtis. (2786) 

 Carex stipata Muhl. (3052) 

 Carex stricta Lam. (2498) 



Carex trisperma Dewey. (Collected by Dr. H. A. Gleason) 

 Carex umbellata Schk. (2474) 



Araceae. Arum Family. 



Symlocarpus foetidus (L.) Nutt. (3062) Skunk Cabbage 

 Acorus calamus L. (2766, 2897) Sweet Flag 



Lemnaceae. Duckweed Family. 

 Lemna minor L. (3218) Duckweed 



Commelinaceae. Spiderwort Family. 

 Tradescantia reflexa Raf. (3022) Spiderwort 



Pontederiaceae. Pickerel-weed Family. 



Pontederia cordata L. Pickerel-weed 



Juncaceae. Rush Family. 



Juncus bufonius L. (2782) Rush 



Juncus tenuis Willd. 



Juncus balticus littoralis Engelm. (2882, 2923, 3250) 



Juncus canadensis J. Gay. (2848, 2850) 



Juncus torreyi Coville. (2869, 2909) 



