The following species of Panicum, considered by Muhlenberg, are not repre- 

 sented in his herbarium: 



11 Panicum Muhl. Descr. 106. 1817 (sine nomine). Evidently a form of 



Panicum cms-galli L. 



12 Panicum Muhl. Descr. 106. 1817 (sine nomine). Evidently a form of 



Panicum crus-galli L. 

 25 Panicum nervosum Muhl. Descr. 116. 1817, not Lam. {P. commiitatum 



Schultes. ) 

 27 Panicum Muhl. Descr. 118. 1817 (sine nomine) [Panicum Muhlenhergi- 



aunm Roemer & Schultes Mant. 2 : 230. 1824.) 

 33 Panicum densum Muhl. Descr. 122. 1817. 

 36 Panicum acuminatum Swartz, in Muhl. Descr. 125. 1817. (Panicum Muhleti- 



bergii Sprengel, Syst. Veg. 1: 143. 1825; P. sprengelii Kunth, Rev. Gram. 



1: 39. 1835.) 

 39 Panicum Muhl. Descr. 127. 1817 (sine nomine). {Panicum tremulum 



Spreng. ex Roemer & Schultes, Mantissa 2: 237. 1824.) 

 41 Panicum cartilagineum Muhl. Descr. 128. 1817. ? 

 "201 Eleusine filiformis" published as Eleusine sparsa Muhl. Descr. 135. 



\>i\1 .=■ Leptochloa mucronata (Michx.) Kunth, a depauperate form. 

 " 206 Poa viridis " Muhl. Descr. 138. 1817.= Poa pratensis Linn. 

 "207 Poa stolonifera " Haller in Muhl. Descr. 139. 1817.= Poa trivialis Linn. 

 "214 Poa capillaris var." Poa capillaris co-species, Muhl. Descr. 145. 1817.= 



Eragrosth frankii Steud. 

 "215 Poa hirsuta" Muhl. De.scr. 145. 1817 .= Eragrostis pectifiacea (Michx.) 



Steud. A specimen of Eragrostis trichodes (Nutt.) Nash, is also in the 



sheet. 

 "216 Poa reflexa Ell. 361." Published as Poa refracta Muhl. Descr. 146. 



\8\1 .^=Eragrostis refracta (Muhl.) Scribn. 

 " 223 Poa stricta uniflora." This was published as Poa ? uniflora Muhl. Descr. 



151. 1817, and is the same as the species now called Sporobolus serotinus 



(Torr.) A. Gray. The synonomy should be as follows: 

 Sporoblus uniflorus Muhl. new comb. (Poa ? uniflora Muhl. Descr. 151. 



1817; Agrostis serotina Torr. Fl. U. S. 1:88. 1824; Sporohohis serotinus 



A. Gray. Man. Bot. 577. 1848). 

 "235 Festuca prostrata." This was published as Festuca procmnhens Muhl. 



Descr. 163. 1817, and is the same as Leptochloa fascicularis (Lam.) A. Gray. 

 "238 Festuca clandestina" Muhl. Descr. 163. 1817.= A depauperate form of 



Leptochloa fascicularis (Lam.) A. Gray. 

 "Festuca brevifolia" Muhl. Descr. 167. 1817 .= Triplasis purpurea (Walt.) 



Chapm. In this sheet are also specimens of Panicularia acutiflora (Torr.) 



Kuntze. 

 " 248 Bromus ciliatus" Muhl. Descr. 169.=i?romMs kalmii A. Gray. There are 



fragments of several other species in this sheet. 

 " 252 Aristida oligantha." This is the form published by Muhlenberg as Aris- 



tida raceinosa Descr. 172. 1817, and is Aristida purpurascens Poir. Aristida 



oligantha Muhl. Descr. 173, is not represented in the herbarium. 

 "256 Elymus villosus " Muhl. Descr. 175. 1817— Muhl. in Willd. Enum. 131. 



1809.= Elymus striatus Willd., at least in part. Specimens of Elymus Mr- 



sutiglumis Scribn. are also in the sheet, but Muhlenberg's description does 



not apply to this species. 



