24 H. J. Webber — 



199. C. trichocarpa Muhl. var. aristata (R. Br.) Bailey. Low 

 prairies and moist places. Elmwood, Ashland (Williams). 



123. HEMICARPHA Nees. 



200. H. micrantha (Vahl.) Britt. (H. subsquarrosa Nees.) Minden. 

 Collected by Dr. Hapeman (Bessey). Ashland (Williams). 



124. ERIOPHORUM L. Cotton grass. 



201. E. gracile KOch. Collected at Minden by Dr. Hapeman (Bes- 

 sey). 



125. FIMBRISTYLIS Vahl. 



202. F. capillaris (L.) Gray. Long Pine (Swezey). Minden (Hape- 

 man and Bessey). 



203. F. castanea Vahl. (F. spadicea Vahl. var. castanea Gray). 

 Collected by Rev. Bates at Valentine (Rydberg). Minden (Hape- 

 man) . 



126. HELEOCHARIS R. Br. 



204. H. atropurpurea (Retz.) Kunth. Collected by Dr. Wibbe in 

 Filmore Co. Reported by Dr. Britton (Torr. Bull. Vol. XVIII, 

 May, 1891, p. 166). 



205. H. ovata (Roth.) R. & S. var. engelmanni (Steud.) Britt. Pine 

 Ridge, June 18 (Williams). 



206. H. palustris (L.) Roem. & Schult. var. glaucescens (Willd.) 

 Gray. Anselmo, Custer Co., July 6 (Webber). 



127. DULICHIUM Pers. 



207. D. spathaceum (L.) Pers. Collected by Rev. Bates at Valen- 

 tine, Aug. 14 (Rydberg) . 



128. CYPERUS L. 



208. C. acdminatus Torr. & Hook. Doniphan (Swezey). Lincoln, 

 July 20 (Webber). 



209. C. diandrus Torr. Long Pine (Swezey). 



210. C. diandrus Torr. var. castaneus Torr. Very abundant, Mo. 

 River bottoms, Richardson Co., Aug. 26 (Webber). 



211. C. strigosus L. Ravenna, Brewster, Long Pine (Swezey). 



53. GRAMINE.E. 



129. ASPRELLA Willd. 



212. A hystrix (L.) Willd. Roadsides N. E. of Wahoo, June 

 (Rydberg). 



130. ELYMUS L. Wild Rye. 



213. E. elymoides (Raf.) Swezey. (E. sitanion Schultes). Lewellen 

 Swezey. 



131. AGROPYRUM Gaertn. Wheat grass. 



214. A. dasystachyum Vasey. Banks in thin woodlands; War Bon- 

 net, June, 23. Rare (Williams). 



