276 Cariogruphy. 
north of Europe agree exactly with ours, even in size, though 
ours is generally said to bea smaller plant. The characters 
which distinguish this species from C. teretiuscula, Gooden. 
were mentioned Vol. VII. p. 266 of this Journal. 
8. decomposita. C. decomposita, Muh. Gram. no. 58. In 
this variety the panicle has a lighter or a green colour, the 
scales are white with a green keel, and the fruit is without 
nerves and entire. In every important character it agrees 
with C. paniculata. 
77. C. rosea. Schk. 
Muh., Pursh, Eaton, Pers. no. 61. 
Schw., Ell., Mon. no. 15. 
Schk. tab. Zzz fig. 179. 
Spiculis androgynis superne staminiferis distigmaticis sub- 
quaternis alternis subremotis sessilibus, infima longo-bractea- 
ta; fructibus oblongo-lanceolatis superne convexis margine 
scabris bidentatis perdivergentibus, squama ovata obtusa 
subduplo longioribus. 
Culm 8—16 inches high, three or five angled, very slightly 
scabrous above; leaves linear lanceolate, long as the culm, 
shorter below, rough on the edge, with striate sheaths ; spike- 
lets three to six, five to twelve Howered, staminate above, al- 
ternate, ovate before maturity, often remote, sessile, twohighest 
near, the lowest and often the two lower with along, scabrous, 
setaceous bract ; stigmas two; fruit oblong-lanceolate, or ovate 
subrostrate, convex above, scabrous on the margin,two-toothed, 
diverging or horizontal, often reflexed ; pistillate scale ovate, 
obtuse, white, green on the keel, about half the length of the 
fruit. Colour of the plant varying from light to deep green. 
Flowers in May—common in moist woods and pastures ; 
in the open fields has a rather stiff culm; in the woods is 
rather slender and tall, and often prostrated by the weight of 
the fruit, 
B. radiata. C. stellulata. (8. radiata, Wahi. 
Spiculis distantibus subtrifloris cum bracteolis sctaceis ; 
fructibus oblongis ; culmis spathameis flaccidis, setaceis, fo- 
liis angustissimis, 
This variety is credited to our country by Wahl. It is 
often found about woods, four to six inches high, slender, 
with very narrow leaves, spikelets about three, distant, 2—4 
