^(^^ iiuANDHiA BiGYNiA. Andiopogon. 



pressed, striated, a little hairy, rounded at the apex; margins fringed 

 with hairs ; involucre smooth, glossy, keeled, pointed.— Coro/ of the 

 hermaphrodite flower one-valved ; the arista Avhich is pretty long and 

 twisted, occupies the place of a second ; that of the male two-valved, 

 the inner one slender and bifid. 



Obs. Cattle will eat it, but not greedily. , • 



2. A. contorlns. Linn. Sp. PL ed. IVilld. iv. 904. 



Monoicous. Spikes solitary : inferior flowers male or neuter 

 and awuless ; superior Jioiccrs one female and awncd, the other 

 male and awuLess. 



Teling. Yediii. 



Grows in tufts on rich pasture ground. 



Culms near the base spreading a little, there compressed and fa- 

 mous, the rest from one to two feet high, erect, round, and smooth ; 

 joints smooth — Leaves below bifarious, middle-sized, upper ~side 

 scattere>d with a few hairs, margins and mouths of the sheaths hairy. 

 — Spikes always single, terminal, bowing, cylindric ; raf^/s jointed, 

 waved, round, below where it is occupied by the male and neuter 

 flowers smooth ; above where the female flowers are, it is covered 

 with much, short, brown hair. — Flowers numerous, imbricated in 

 pairs ; on ilie 'lower half of the spike they are all neuter, or male, and 

 a-wnless, one sessilo, one pedicelled ; on the upper half the sessile 

 flower is female, and the pedicelled one male. 



Male or neuter Flowers. Calj/.v two-valved, one-flowered, 

 exterior valvelet green, and covered with stiff white hair, inner valve 

 •membranaceous, and snioolli, except the margins, which are slightly 

 ciliatc. Coro^ two-valvi d, membranaceous, margins slightly cili- 



ate. Stamens three or none. 



Female Flowep.s. Co/j/r one-valved, one-flowered, rigid, em- 

 liracing the corol on all sides, brown, a little hairy.— Coro/ one-valv- 

 ed, small, the place of the other is supplied by a very lung, twists 

 ed arista. 



