a^RlANDRIA DIGINIA. 



145 



1is;]iciina])lirod]tosessili5 | hairy; the liermaphro- 

 jnasculo pedicellato, ca- I dite sessile, the male on 



duco. 



Sp* pi. 1. p. 908. I a pedicel, caducous. 



A^avenaceum? Mich. 1. p, 53. 

 Stipa villosa ? Walt. p. 78. 



Boot perennlaL Stem erects S — 6 feet lilgh, terete, ^labroufi, witli 

 the lower joints thickened, and sometimes producing roots Leaves 

 1— 2 feet lon^5 3 — 4 lines wide, scabrous; slieaths lon)i;er than the 

 lower joints, contracted at t'le throat; stipules membranous. P/mv 

 cle compound, loose, nodding. i^Zo^'^rson short peduncles, with two 

 neutral florets to each fertile one ; pedicels of the neutral florets as 

 long as the calyx of the fertile, thickened at t!ie summit, very hairy. 

 Calyx^ valves equal, of a dark brown colour, shining, yet hairy, ob- 

 tuse, and fringed at the summit. Corolla membranaceous, much shorter 

 tliau the calyx, liairy, slio-htlv two cleft : the inner valve t!ie smallest, 

 ^\\x\ an awn six times as long as the calyx, much contorted.- Jbi- 

 thers yellow Styles short. Stigmas pale purple. 



lathis and the preceding species, the anther appears to open at or 

 tiearthe summit, and notalon^ its whole leng-th as usual In the masses. 



ims plant, by its loose, iliflfusei], nodditii^ panicle, diflfers widely 

 ironi evcrj other species of this genus, with which I am acquainted, in 

 tlie United States. 



Grows in arid soils. Very common. 

 Flowers September — October. 



iYodding JlndrojjO'^on.' 



3. A 



M 



A spicis paniculatis;ilo- 

 ^^'His solitariis, remotis ; 



CO roll 



se 



al 



ex te no re 



Spikci5 panicled ; flow- 

 ers solitary, remote ; the 



exterior 



of 



co- 



rolla awned at its summit 

 the interior at its base. 



"i 



apice, interiore ba 

 tata. 



^5ich. l.p. 58. 

 eJ^^k"'^^'' ^*^f«'» erect, ard decumbent, 8—20 inclies liigli, icr. 



J 'S'^^o«'oys, with short joints. Lecrfs distichous, Cipandiiig. cor- 

 J:^^ ceolate, glabrous, acute, concave, 2—3 inches long, 5— G lines 



sheaths longer than the joints, contracted and ! 'airy at the 



2 , rauic/g terminal, ex^janding. FZowTfr.s- nearly sessile, (alqas 



vMv +. '/^'*^^ '^oear, nearly subulate, back scabrous ; the exterior 



the^ tae_ longest. Corolla 2 valved, shorter than tlie calyx, equal : 



euenor valve lanceolate, S nerved, terminated bv a straight av ii 



mnes i\& own length ; the interior two clefi at the Biimmit, with the 



inH '"^r''**,^^cd by -a scabrous awn. lonq;er than the calyx, contorted 

 ' I ••^middle, hairy near the bottom. ''Filaments 



r- 



^vifj 



throat 



I 



cor I! "'' "^'O "'^a.r tlie Dottom. Filaments 3, 

 -p! %^«s short. 5Yi^'-mas feathered, purple. 



longer 



tiian the 



rhi^ 



is'.f. '^ ^"^?^ ^^'^^ "^>* remain among the Andropoions when the ger.ns 



•^ccuralcly defined. Besides its other pcculiaritiesithas no vcstirc 



S 



