missouri muhlenbergias 63 



South Dakota: 



Iroquois, collector not given, August 15, 1874, M. B. G. Herb. 



No. 79708; 

 Tacoma Park, Griffiths 780, September 11, 1897, U. S. Herb. 



No. 79708; 

 Tacoma Park, Griffiths 780, September 11, 1897, U. vS. Herb. 

 No. 952394. 

 Oklahoma : 



Verdigris, BusJi 770, August 2, 1894, M. B. G. Herb. No. 



79633; 

 Verdigris, Bush 771, October 5, 1894, M. B. G. Herb. No. 

 79632. 



8. MuHLENBURGiA GLABiFLORA Scribncr, Rhodora 9: 22. 191 7. 

 Culms terete, very minutely scabrous for a short distance below 



the nodes; panicles 2-6 cm. long, occasionally somewhat glomerate, 

 the closely flowered short branches appressed, usually partly 

 enclosed in the subtending leaf-sheaths ; spikelets ovate-lanceolate ; 

 glumes lanceolate, acute or acuminate-pointed, subequal, a little 

 shorter than, as long as, or a little longer than the lemma, scabrous 

 on the keel excepting near the base; lemmas ovate or oblong, 

 obtuse or submucronate-pointed, scabrous on the heel and lateral 

 nerves above, otherwise smooth, no hair at the base; palea ovate- 

 oblong, obtuse, equalling on a little shorter than the lemma. 



Pennsylvania and Maryland, west to Illinois, Missouri and Texas 

 vSpecimEns Examined: 

 Pennsylvania : 



Wissahickan Creek, StnitJi 84, August, U. S. Herb. No. 952386 

 Maryland : 



Hyattsville, Scrihner, 1888, U. vS. Herb. No. 746131. 

 Illinois: 



Mascoutah, Welsch, 1862-187 1, U. S. A. Herb.; 

 Taylorville, Andrews, September 10, 1898, U. vS. A. Herb. 

 Missouri: 



St. Louis, EngeUnann, 1842, M. B. G. Herb. No. 79662. 



9. MuHLENBERGiA Mexicana (L.) Trin. Gram. Unifl. 189. 



1824. 

 Agrostis Mexicana h. Mant. 1:31. 1 767. 

 Agrostis laterflora Michx. Fl. Bor. Am. i: 53. 1803. 

 Agrostis clandestina Sprengel, Mont, i: 32. 1807. 

 Cinna Mexicana (L.) Beauv. Agrost. 32. 158. 1812. 



