43G 
36. Oryzopsi3 Melanocaupa. Muhlenhurgh . 
% 
Syn.— Milium raeemosum, Smith. Fiptatherum nigrum, Torr. Urachne 
racemosa, Tiin. Black-seeded millet. 
\ ' v ’ 
Leaves lanceolate taper-pointed, flat; sheaths bearded in the throat; panicle 
(simple or spaiingly branched, the spikeh ts loosely racemed; awns twice the 
length of the blackish jialeau; styles dbtinct, short. Perennial; flowers in 
July; culms 2 to 3 feet high, leafy to the summit. Woods, Ac. Wisconsin 
and Ohio. 
GENUS 14. STIPA. Linnaeus. 
[Greek— ftgpe , tow ; from the feathery awns of some species.] 
Spikelets one flowered; floweis stipitate; glumes membranaceous, equal; 
lower palea coriaceous, closely embracing the upper and cylindrical grain, 
bearing a long and twisted simple awn at the apex; stamens mostly three; 
fitigmas plumose. 
h 
37. Stipa Avenacea. Linnaeus. 
Syn. —S. barbata, Michx. S. virginica, Pers. Black oat grass. 
Culm slender, leafy chiefly at the base; lea\es almost bristle formed; paleae 
blackish, nearly as long as the pointed glumes; awns very long, naked, bent 
above, twisted below; panicle somewhat secund, and spreading, the branches 
mostly in pairs. Perennial; flowers in July; culms 1 to 2 feet high. Dry 
prairies; Wisconsin, Illinois, Michigan. 
Plate V. Fig. 1, panicle natural size; 2, stamens, Ac., enlarged; 3, the 
seed with its long, twisted, and bent awn, 
38. Stipa Juncea. Linnaeus. 
Syn —S. pubescens, Lag. S. ucranica, Lam. Porcupine grass. 
Panicle short, loose; glumes loose, filiformlv acuminated to more than twice 
the length of the palea, which is attenuated at the base into an acute stripe 
one-third of its length and pubescent; paleae obtuse above; awn smooth, 
t 
straight, very long; leaves long convolute-filiform, smooth inside. Perennial; 
flow T ers in August; culms 2 to 3 feet high. Illinois, Michigan, and on the 
rolling praiiies of Iowa and Minnesota.— JDr.C. C. Parry. A native also of 
(southern Europe and northern Africa. When in fruit, the pungent stripe 
adheres to everything that comes in* its way, like the quills of the porcupiue. 
