364 



Bulletin No. 205 



[March, 



ILLINOIS SPECIMENS: Without locality, Vasey. champaign CO. Champaign, 

 Clinton, June, 1900; Champaign, Gleason 1006. cook co. Chicago, Lansing 272; 

 WoodlaTsn, Chicago, Lansing, June, 1898; Englewood, Rill, July, 1875; South Chi- 

 cago, A. Chase, July, 1901. christian co. Taylorville, Andrews, fulton co. 

 Without locality, Pepoon. hancock co. Augusta, Mead, June, 1848. jo daviess 

 CO. East of Warren, Pepoon 8. kankakee co. Bourbonnais, Hill 83 in 1874. 

 MACOUPIN CO. Carlinville, Eobertson, May, 1884. marion co. Without locality, 

 M. S. Bebb in 1860. peoria CO. Peoria, Brendel. ST. clair co. Mascoutah, 

 TVelsch. STARK CO. Wady Petra, V. E. Chase 1156 and 1460. tazewell co. 

 Without locality. McDonald, July, 1889. vermilion co. Muncio, Moshcr, May, 

 1914. WABASH CO. Old Palmyra, Schneclc, May, 1880; Mt. Carmel, SchnecTc, 

 June, 1904, 



181 



182 



Figs. 181-182. — 181, S. obtusata, inflorescence, (a) spikelct; 182, S. pollens, 

 inflorescence, (a) spikelet 



Sphenopholis pallens (Spreng.) Seribn. 

 (Fig. 182) 



Eatonia pennsylvanica, Lapham '57, 5-^6, 576; Patterson '76, 50; Flagg '78, 

 281; Brendel '87, 63; Higley and Eaddin '91, 143. Sphenopholis pallens, Sherff 

 '12, 419; Sherff '13, 594. 



Culms smooth, 1 to 3.5 feet tall ; sheaths rough, sometimes pubes- 

 cent ; blades 2 to 7 inches long, 4 to 6 mm. wide, rough and sometimes 

 with a few hairs ; panicles loosely flowered, narrow, 3 to 7 inches long; 

 spikelets 3 to 4 mm. long, glumes strongly nerved and rough except the 

 margins ; lemma firm ; palea membranous, transparent. 



This species was also found on the original prairie but in moist sit- 



uatfons. 



ILLINOIS SPECIMENS: Without locality, Vasey. champaign co. Urbana, 

 Burrill, Waite, and Seymour, June, 1884; Champaign, Waite, June, 1886. chris- 

 tian CO. Taylorville, Andrews, cook CO. Glcncoe, Sherff, June, 1911. hender- 



