n 



TKIANDRIA DIGYNIA. 



% 



it 



MUIILENBERGIA. Gen: Pl: 103, 



Cahfx i-valvis, Tuinu- 



Calyx i valved, min 



tu?^, lateralis. Corolla 3- ute, lateral. Corolla S- 



Yulvis. 



valved. 



i. Diffusa, 



M. ciilmo decumbente; I Stem decumbent ; leaves 



foliis linearibus ; paniciila 

 gracili, appressa ; flori- 



bii^ minutis, arista longi- 



linear; 



panicle slendir, 



appressed ; flowers small 



tudinedumse. 



& 



E. 



the 

 glumes. 



awn as long as the 



J 



2 



Rnot fibrous. Stem about one foot lon^, procumbent, geniculate 

 branched, a little compressed, glabrous. Leaves 3 — 4 inches long,! 

 fines wide, scabrous ; sheath open, as long as the joints ; throat contract- 

 ed and hairy. Panicle composed of alternate, appressed racemes, very 

 slender; peduncles very short. Calyx 2 valved, unequal, acumi- 

 nata resembling scales^ seemins; rather as an involucrum to protect 

 the base of the corolla than to form a part of the flower; not faHinS 

 jvit'i t:ie seed. Corolla, valves unequal, hairy at base ; the exterior 

 la.ceolate, 3 nerved, nerves serrulate, tapering to a long scabrous 

 a va ; interior valve similar but awnlessi Filaments three. Mtk^^ 

 yellow. StykH two, short Stigmas feathered, purple. 



(irows in damp soils. 

 Flowers August— October. 



Prioce Williams. 



Spreading Muhlenbergiti 



EiiECTA. Miihl.Cat. 

 M.culmoerecto: foliis 



lanceol 

 iriiiiali : floi 



Ion 



race mo ter- 

 maj 



Stem erect ; leaves lance- 

 racemes terminal) 



olate ; 

 flovvei 



aiista valvis dupio twice 

 ^iore. E. | g]mx 



Dilepyrum aristosum .» Mich. I. p. 40 



lar 



!r> 



as 



Ion 



o 



the a^vn 

 as tlie 



teri<u-v,."*"i""''**^fT"^''''^'"^ acute, 2— 3 lines long. Co.^ ^ 



;t . ', ^'^''^ lanceolate, many nerved, concave, scabrous, terminating 



T- 



^ 



in a Ions awn ; interior awnless. 



MvZ"- "'^^''y ^^"?^ '" ^^"•^''^a and Georda. 

 My i»pecimeu8 are from Pennsvl. 



Mich. 



Erect J)luhlenhers'i<f' 



