‘ENGELMANN—NORTH AM. SPECIES OF JUNCUS. 447 
bus; spatha paniculam simplicissimam (1-3-floram) superante; 
sepalis lanceolato-subulatis, exterioribus longioribus aristatis 
theris mento is 
have named t 
little pant Siwavered it in Colorado i in 1861 (ell No. 360 a 
No. 
y 
ted with J. Dru tems very thin and wiry, 4-8 
t t 
long, larger than those of the two last species, and dis- 
tinguishe ed by their ieatiapeleied 4 peta oe sepals, which are 
greenish, with brown sides and white margin, and strongly 
nerved. Aft i 
bef e 
pa thicker ee but shows no other difference 
oh 6 Linn., apparently a rare at in North 
h 
: t differ fro 
those of Europe. The seeds are few and large, irregularly 
compressed, very faintly = with very short appendages ; 
0.7-0.8, or even as muc -1 lines long, and 0.3 line or 
more in diameter. 
17. J. pretumis, Linn.: the only American localities known 
to me are those given by Hooker (FI. Bor. Am, 2, 192)—“Are- 
tic sea coast and islands, Rocky Mountains north of Smoking 
River, and Behring’s Straits.” A specimen from the Arctic 
s 
not differin any respect from the Norway and Lapland plant. 
The body of the — is ovate-oblong, 0.34-0.42 line, and 
with the appendages (.66-0.72 line, long ; these are equal to, 
or shorter than, the ficaths of the seed. In a Scotch speci- 
