I9l3] The Grasses of Illinois 547 



or slightly awned, sliorter than the Icninia, whicli bears an aAvn usually 



6 to 12 mm. long. 



This species is found in moist woods. It is much like M. foliosa 



and M. glahriflora in general appearance, but may be distinguished by 



the slender, few-flowered panicle and Ijy a long-awned lemma. In rare 



instances a short-aAvned form was found among Illinois specimens. 



ILLINOIS SPECIMENS: "Without locality, Wolf in 1882. Carroll co. Mt. 

 Carroll, Shimer, Oct., 1891. du page co. Wheaton, Moffatt, Sept., 1892. fulton 

 CO. Canton, JVolf. kankakee CO. Kankakee, De Selm, Sept., and Oct., 1913. 

 MENARD CO. Without locality. Hall; Athens, Hall in 1874. peoria co. Pooiia, 

 Brendel; Princeville, V. H. Chase, Oct., 1900. ST. clair co. Mascoutah, Welsch. 

 STARK CO. Near Wady Petra, V. H. Chase, Sept., 1906. wabash co. Without 

 locality, Shearer; Hanging Eock, Schneck, Sept., 1900. 



22. BRACHYELYTRUM Beauv. 



This genus includes a single species in which the plants arc peren- 

 nial from short rootstocks. The culms are tall and slender and the 

 blades rather short and broad. The ligiiles are membranous, from 1 

 to 2 mm. long, the margin irregular. The inflorescence is a very nar- 

 row, few-flowered panicle. The spikelets are one-flowered, the glumes 

 \cvy minute or obsolete, and the lemma is awned. 



Brachyelytrum erectum (Schreb.) Beauv. 

 Bearded Short Husk (Figs. 146 and 147) 



BracJiyelytrum aristatuni, Lapham '57, 545, 567 (Plate 1, Fig. 10) ; Patterson 

 '76, 49; Flagg '78, 280; Brendel '87, 63; Higley and Eaddin '91, 142. 



Culms erect, unbranchecl, densely pubescent at and near the nodes ; 

 sheaths with a few hairs, shorter than the internodes; blades 3 to 5 

 inches long, 6 to 18 mm. wide, rough to the touch ; spikelets, excluding 

 the awns, 10 mm. long, rough, and slightly pubescent. 



This grass is found in shady places, usually in damp, rocky woods. 



ILLINOIS SPECIMENS: Without locality. Mead; -\vithout locality, Vasey ; south- 

 ern Illinois, Brendel. champaign co. XJrbana, Butts and Seymour, June, 1880. 

 cook CO. Palos Park, JJmhach, Aug., 1909; Glencoe, Johnson, Sept., 1890. ful- 

 ton CO. Canton, Wolf, jo daviess co. Along Apple river, Pepoon 691. Hen- 

 derson CO. Oquawka, Patterson, Aug., 1872. la salle co. Near Starved Eock, 

 A. Chase, July, 1901; Starved Eock, Hill 138 in 1901. peoria co. Glasford, Wil- 

 cox, July, 1902; Peoria, Brendel; Springdale, Peoria, McDonald, July, 1890. pope 

 CO. Herod, Clinton, July, 1898. ST. clair co. Mascoutah, Welsch. vermilion 

 CO. Danville, Waite, June, 1886. wabash CO. Without locality, Schnecic, July, 

 1905; Mt. Carmel, Schnecic, Sept., 1886; Hanging Eock, Schneck, Sept., 1904 and 

 Aug., 1879. 



23. HELEOCHLOA Host 



This grass, which has been sparingly introduced into this country, 

 is a native of Europe and Asia. It grows in small bunches. The spike- 

 like panicles have the general appearance of Plileum pratense, our 

 common timothy or herd's grass. The panicles are partially included 

 in the enlarged upper sheaths. The spikelets are one-flowered, the 



