Catalogue of the Flora of Nebraska. 23 



180. S. variabilis Engelm. var. 4NOU8TIFOUA Engelm. Narrow 

 leaves with very narrow diverging lobes. Lodge Pole Creek, 

 Deuel Co., July (Rydberg). Thedford, Thomas Co., Aug. 7; 

 Anselmo, Custer Co., July (Webber). 



181. 8. variabilis Engelm. var. latifolia (Willd.) Engelm. With 

 monoecious flowers, broad and acute leaves. Near Platte River, 

 Kearney Co., Aug. (Rydberg;. Lincoln, Aug. (Webber). 



182. S. variabilis Engelm. var. obtusa (Wilkl.) Eugelra. With 

 dioecious flowers and broad and obtuse leaves. Sand Creek 

 below Wahoo, Sanders Co., Sept. (Rydberg). 



51. TYPHACEiE. 



121. TYPHAL. Cat-tail flag. 



183. T. latifolia L. var. triviale (Pursh) B. S. P. Common 

 Cat-tail. Long Pine (Swezey). 



52. CYPERACEJE. 



122. CAREX L. Sedge. 



184. C. aurea Nutt. WObded canons and low prairies, very common. 

 Lewellen, Alliance (Swezey). Thedford, Thomas Co., July; Hat 

 Creek Basin, Aug.; Pine Ridge, July (Webber). 



185. C. douglasii Boott. Dry prairies. Anselmo, Custer Co., July 

 (Webber). 



186. C. filifolia Nutt. Dry places. War Bonnet Canon, June 

 (Williams). Alliance (Swezey). Hitchcock Co. (Hapeman). 



187. C. filiformis L. var. latifolia Boeckl. Crete, Alliance 

 (Swezey). Ashland, War Bonnet Canon (Williams). Pine 

 Ridge, Anselmo, Thedford (Webber). 



188. C. gravida Bailey, var. laxifolia Bailey. Broken Bow, July 4 

 (Webber). 



189. C. laxiflora Lam. var. varians Bailey. Nebraska City, June 1 

 (Webber). 



190. C. marcida Boott. Dry prairies. Alliance (Swezey). Anselmo, 

 Broken Bow, Thedford (Webber). 



191. C. MUHLRNBEROn Scbkubr. Low prairies. War Bonnet, Weep- 

 ing Water, June-July (Williams). 



192. C. PENNSYLVANIA Lam. Crete, common (Swezey). 



193. C. sartwellii Dewey. Ashland, May (Williams). 



194. C. squarrosa L. Lincoln (Webber). 



195. C. stipata Muhl. Low prairies, common, Crete (Swezey), Thed- 

 ford, July 10, Anselmo, July 5 (Webber). 



19G. C. BTRAMINEA Schkr. var. BREVIOR Dewey. Elmwood, June 

 (Williams); Anselmo, Custer Co., July (Webber). 



197. C. tetanica Schkr. Ashland, May (Williams). 



198. C. TRIBULOIDES Wahl. var. cristata (Schw.) Bailey. Low 

 ground. Wabash, July 5 (William**). 



