140 Class VI. Order I. 



JUNCUS POLYCEPHALOS. Mich. Many headed Rush. 



Culm few leaved, erect ; leaves somewhat knotty ; 

 heads round, many flowered, panicled; calyxes linear ; 

 stamens six. Mich. abr. 



Syn. JUNCUS ECHINATUS. Mufil. 



Common in meadows and low ground. Stem erect, firm, 

 round, smooth. Leaves round, smooth, interrupted with nume- 

 rous transverse partitions or joints. Heads resembling small 

 burrs, sessile and pedunculated, in a proliferous panicle or um- 

 bel, with very unequal branches. Calyx leaves crowded, linear- 

 lanceolate, very acute. Perennial. 



This plant sometimes undergoes a singular alteration in its 

 fructification from the bite of an insect. 



JUNCUS CAMPESTRIS. L. Field Rush. 



CulmJeafy. Leaves flat, hairy ; spikes terminal, 

 sessile, or pedunculated ; capsules obtuse. Sm. 



Hardly half a foot high in dry ground, but in wet situations 

 much taller. Stem upright, round, leafy. Leaves short, grass 

 like, flat, acute, the edges fringed with fine, loose hairs. Spikes 

 terminal, umbelled, most of them on peduncles, irregular ovate, 

 obtuse, erect or nodding. Calyx leaves lanceolate, acute. Cap- 

 sules three seeded, inversely ovate, obtuse, shorter than the 

 calyx. May. Perennial. 



JUNCUS MELANOCARPUS. MX. Black fruited Rush. 



Culm leafy, leaves sublanceolate, smooth ; panicle 

 capillary, lax; flowers pedicelled. 



Culm a foot a more in height, smooth, leafy. Leaves linear- 

 lanceolate, glabrous, those of the root eight or ten inches long. 

 Panicle large, nodding, decompound, many flowered. Ultimate 

 corymbs of from four to six flowers, of which one is sessile, the 

 rest on capillary pedicels. Calyx acuminate. Capsule with a 

 short beak. At the cascade of New river in the White moun- 

 tains. June. 



