No. 14.] FLOWERING PLANTS AND FERNS. 61 



MUHLENBERGIA Schreb. Drop-seed Grass. 



Muhlenbergia sobolifere (Muhl.) Trin. (producing offshoots). 

 Dry rocky woods. Generally rare, but frequent in south- 

 western Connecticut. Aug. — Sept, 



Muhlenbergia tenuiflora (Willd.) BSP. (slender-flowered). 

 Muhlenbergia Willdenowii Trin. 



Occasional or frequent. Rich or rocky woods. Aug. — 

 Sept. 



Muhlenbergia sylvatica Torr. (of woods). 



Rocky woods, either moist or dry. Rare or occasional 

 over most of the state, becoming frequent in southwestern 

 Connecticut. Aug. — Sept. 



Muhlenbergia foliosa Trin. (closely clothed with leaves), 

 Muhlenbergia ambigua Torr, 



Moist woods, Southington (Bissell), and probably else- 

 where, as the species has been confused with Muhlenbergia 

 mexicana. Aug. — Sept. 



Muhlenbergia mexicana (L.) Trin. 

 Crab Grass. Knot-root Grass, 



Frequent or common. Moist or rich soil in cultivated 

 ground, along roadsides and in waste places of towns and 

 cities ; also occasional in bogs and swamps and near streams, 

 Aug, — Sept, 



Sometimes troublesome as a weed in gardens and lawns. 

 A cultivated form with striped leaves has escaped, and is 

 established in a yard at Southington (Bissell). 



Muhlenbergia racemosa (Michx.) BSP. (racemose). 

 Muhlenbergia glomerata Trin. 



Bogs and swamps or sometimes in dry, rocky ground. 

 Frequent in Litchfield County, becoming occasional or rare 

 eastward and southward; reaching Union and Willington 

 (Bissell), Franklin (R. W. Woodward), Meriden (Andrews 

 & Bissell), New Haven (Eaton Herb.), Monroe (Fames). 

 Aug, — Sept. 



