Catalogue of the Flora of Nebraska. 41 
98. ASCLEPIADACEZ. 
238. ACERATES Ell. Green milkweed. 
883, A. AURICULATA Engelm., Lewellen, rare (Swezey). ‘‘Sand- 
draws” in Deuel Co., July (Rydberg). 
It is easily mistaken for Asclepias stenophylla from which it can 
not be distinguished excep: by the form of the hood and its 
auricles (Rydberg). 
384, A. vIRIDIFLORA (Raf.) Ell. var. LaANcEoLATA (Ives) Gray. 
Hills, Wahoo, June, 1890 (Rydberg). 
99. COMPOSITE. 
239. STEPHANOMERIA Nutt. 
385. S. Minor Nutt. ‘‘Bad lands”? north of Scott’s Bluff, July 22. 
It is easily mistaken for a Lygodesmia (Rydberg). 
240. LACTUCA L. Lettuce. 
386. L. INTEGRIFOLIA Bigel. Roadsides, Weeping Water (Williams). 
241. CREPIS L. 
387. C. INTERMEDIA Gray. Side of cafion, plentiful. War Bonnet, 
June (Williams). 
388. C. RUNCINATA (James) Torr. & Gr. Collected by Rev. Bates at 
Valentine (Rydberg). Lewellen (Swezey). Platte bottoms, 
Cheyenne Co., July 3; Pumpkin Seed Valley, July 14 (Rydberg). 
242. CICHORIUM L. Succory, Chicory. 
389. C.intyBus L. Yards, Lincoln, Introduced (Webber). 
243. CNICUS L. Thistle. . 
390. C. aLtissimus (L.) Willd. var. FILIPENDULUS Gray. Bel- 
mont (Swezey). 
391. C. uNDULATUS (Nutt.) Gray, var. CANESCENS (Nutt.) Gray. 
Prairies, common. Antelope Co., Pine Ridge, July-Aug. 
A form from Pine Ridge has conspicuously decurrent leaves, a 
character shown also by a specimen of Hayden’s in the Engelmann 
Herbarium from the Sand hills of the Plains. 
Cnicus pitchert Torr., No. 1738 of the Cat. of the Fl. of Nebr. 
belongs here (Webber). 
392. C. UNDULATUS (Nutt.) Gray, var. MEGACEPHALUS Gray. Broken 
Bow, July 4 (Webber). 
244, ARNICA L. 
393. A. CORDIFOLIA Hook. Hillsides, rare. Squaw Caiion, Pine Ridge, 
July (Williams). 
245. HELENIUM L. 
394. H. AUTUMNALE L. Sneeze-weed. Collected by Rev. Bates at 
Valentine (Rydberg); Minden (Hapeman). 
