TRIANDRIA, DIQTNIA. 55 



the panicle drooping 1 , but erect The same thing 



been observed bj Mr. Nuttall r — p e cting the pUllt in ques- 

 tion, and he informs me he is well acquainted with the true 

 A. nutans, which is entirely distinct from the A. aven kcetUB 



lichaux. I have therefore, supported by his authority, 

 together with the fact of Mr Elliot describing- both plants, 

 been induced to insert the above synonyms. In an excursion 

 with the late 1) Muhlenberg ' n the vicinity of Lancaster, I 

 remember our collecting the same plant intended above, and 

 his informing me at the time, that there was " some confusion 

 respecting that plant and the A. nutans, but that he believed 

 they were the same." I therefore made them synonymous in 

 my Prodromus. In dry fields in Jersey, particularly near 



jdbury, abundant. Perennial. September. 



J. A. culm erect 3 feet high compressed below, purpura* 

 above nearly round, purplish, with smooth joints. ccn5. 

 Branches remotely alternate bearing spikes at the 

 apex. Leaves lanceolate acuminate somewhat 

 mucronate, glaucous, hairy at the base, scabrous 

 on the margin. Sheaths nerved, hairy below, 

 smooth above. Ligula retuse. Spikes simple, 

 peduncles in pairs and by threes, upright, lateral 

 and terminal. Rachis ciliated. CaL hermap. 

 2-\ alved acute longer than the corolla, woolly at 

 the base. Cor. hermap. 2-valved parplish smooth, 

 or under a lens, ciliated on the margin, one valve 

 emarginated awned. Stam. 3, anthers purplish 

 or yellow. Fist. 2, purplish feathery. Seed 

 purplish, oblong. 



A. scoparius, Mich* 



Purple beard-grass. 



In arid soils both on the Pennsylvania and Jersey side of the 

 Delaware, common. Perennial. August. 



3. A. culm 5 feet high semi-terete, erect smooth, furcatus, 

 jointed ; joints smooth. Branches alternate MuU * 

 Leaves lanceolate hairy at the base, margin sca- 

 brous. Sheaths hairy. Ligula bearded at the 

 apex. Spikes terminal conjugate and digitate ; 

 peduncles solitary, rachis hairy. CaL hermaph. 

 glume 2-valved pubescent on the margin, lateral- 



