Catalogue of the Flora of Nebraska. 31 



176. LESQUERELL \ Watson. 



285. L. BNGSJ manni (Gray Watson. Lawrence Fork, Kimball Co., 

 Aug. 1 1 (Rydbe 



. L. gracilis Hook.). Watson. Waste ground along railroad. 

 Weeping Water, Jane. 



This is quite a northern extension of its range. It may have 

 been introduced through the agency of the R. R., being found only 

 in this one place. It was, however, abundanl and evidently 

 spreading (Webber). 



177. CARD AMINE L. Bitter cress. 



287. C. i.acixiata (Muhl.) Wood. (Den taria laciniata Mu hi.) Peru. 

 Communicated by Mr. A. H. Van Fleet (Bessej 



ITS. ArvABIS L. Rock cress. 



288. A. dentata (Torr.) Torr. & Gr. Low ground, rare. Lincoln, 

 April (Webber). 



289. A. glabra (L.) Bernh. (.4. perfoliate Lam.). Tower mustard. 

 Dismal River, Thomas Co., July (Webber). 



"290. A. HOLBceLLii Honiem. Wooded canons. Pine Ridge, June 

 (Williams). Pumpkin Seed Valley, July 14 (Rydberg). 



179. NASTURTIUM R. Br. Water cress. 



291. N. obtusum. Nutt. Ft. Clark, Nebraska (Haydenin Engelmann 

 Herb.), Crete (Swezey), Minden (Hapeman), Big Springs (Ryd- 

 berg) . 



Prof. Swezey 's specimens differ somewhat from typical X. 

 obtusum, being less diffusely spreading and branched, ap- 

 proaching likely nearer iV. sinuatum. Hayden's specimens seem 

 typical (Webber). 



292. N. palustre (L.) DC. var. ovale M. In mud, Sand Creek. 

 Wahoo, Sept. 



A small plant with the leaves entire, obovate or oval, crenate or 

 with a pair or two of small lobes at the base; pod oval. (Ryd- 

 berg.) 



293. N. sessiliflorum Nutt. Crete (Swezey). Wahoo Creek below 

 Wahoo, Sept. (Rydberg). Lincoln, May (Webber). 



294. N. SINUATUM Xutt. Moist places along banks. Elm wood, June 

 (Williams), Fairbury (in Herb, Univ. of Nebr.). Omaha and Crete 

 (Swezey). Platte River, Kearney Co., June 15 (Rydberg). Lin- 

 coln, May; Nebraska City, June (Webber). Pods and pedicels 

 variously curved, forming a conspicuous character. 



71. CAPPARII)A( IE2E. 



180. CRISTATELLA Nutt 



295. C. JAMHSn Torr. and Gr. Collected by Rev. Bates at Valentine, 

 Aug. 1 (Rydberg). 



