ENGELMANN—NORTH AM. SPECIES OF JUNCUS. 445 
most of the later writers make mention of the leaves, while E. 
Gray an a lly acquainted with them. Though 
its author credits the species to Pennsylvania, it is not now 
known to grow there; in all the herbaria examin 
ave seen no specim found n rth Carolina, 
whence it exten n species to Florida and Loui- 
siana.—It is well characterized by its terete leaves; a very 
m 
coarsely rans 
ee ds, Bay : short pend ges ‘cot Aetacs raphe, and sel- 
dom over 0.3 line lon 
12. os ARCTICUS, Willd. The only American specimens I 
have seen were brought from Greenland by Dr. Kane; they 
differ in no respect from the European plant. The seeds are 
0.4 line long, obovate, ae obtuse, with very short append- 
ages and distinct — 12-16 ribs are visible on one side, 
with very faint cross lin 
Of the plant which is pace on the Russian islands Kodiak 
and Sitcha, on the north-west coast of Amer rica, I have seen 
can be distinguished by the much elongated spathe, the 
larger flowers, nearly equal sepals, turbinate Bremen capsules, 
with very few and apparently aaa seed 
13. J. Drummonpu, E. Mey. in Ledeb. oe Ross. 4 
cxspitosus; caulibus {pedalitras: sesquipedalibus) ans 
filiformibus; vaginis setaceo-aristatis; spatha paniculam sim- 
plicem (subtrifloram) plus minus superante ; sepalis lanceo- 
stamina 6 plus quam duplo excedentibus; antheris linearibus 
filamento paulo longioribus; stigmatibus ovario gracili pris- 
r a 
Rel. nk. ; J. arcticus, Hoo Bor. 
189; Gray, Pl. Hall & Harb. in Pies Ac. Phil. 1863, p. 77. 
Var. 8. humilis: caulibus digitalibus; spatha brevissima 
tusiuse' 
On the alpine heights of the Rocky Mountains of Colorado, 
Hall & Harb., 563 a — California, Hillebrand; the Cascade 
Mountains, Lyall; and to Unalaschka ; the variety on Mount 
Shasta, Calif, at an valtiende of 8, 400 feet, Brewer.— The 
