ENGELMANN—NORTH AM. SPECIES OF JUNCUS. 485 
the leaves or nature of the inflorescence may be.—Flowers 2 
g as the ut 0 
anthers about 1 line (ina tana Renraoitia specimen of var. y 
even 13 lines) long, always much longer r than the Slanient; 
capsule long mucronate, scarcely exceeding the sepals,.incom- 
marked aa one or two alienate shipiudionlad Seis and thus 
similar to the ca of J. scirpoides, which, however, have fewer 
ibs.—E. Meyer (I. c.) describes the plant At correctly, but 
suspecting that oe a appearance of stem and leaves 
might be a to undue pressure in recs place it with 
as leaves 1-2 lines wide, as long or Sasi than 
the naira heads large, about 5 ara in diameter, usually 2 or 
3 ina cluster, or sometimes as m as 6 or 8 in a short pan- 
icle.—Leaves of var. 2 lines eis shite than the tall stem ; 
panicle loose-flowered, somewhat erect, sometimes 6 inches in — 
length. Some of the mountain forms collected by Mr. Bo- 
nD 'v 
“alpine — i 6, which is only a foot high) have 
smaller flow rs 13-13 lines long, and seem to approach id 
to u veqpasaienia nder Hb. n. _. wo forms have been - 
vertently mixed, one the real v r. paniculatus; and wi other 
a tall (2-8 feet high) several headed form of var. glom 
—Var. yisa got mountain form, way with its dark cil: 
large flowers, a ag protruding stigmas, resembles so 
nearly the erst forms of J. falcatus, that a close examina- 
tion only will distinguish them ; leaves ah line wide; heads 
4-5 lines in diameter, single or two together. 
. J, CHLOROCEPHALUS, n. sp.: caulibus (pedalibus sesqui- 
pedalibas) e rhizomate brevi repente cespitosis erectis “a 
foliis compressis; capitulis ie sO! aah singulis 
paucis glomeratis spatham membranaceam subzquan setts ; 
floribus magnis conspicue pediceliatis pallid — oblon- 
zis obtusis seu  exterioribus et rarissime interioribus mucrona- 
excedentibus ; antaie longe-linearibus filamento multo 
longioribus ; stylo ovario ovato pluries longiore exserto; 
stigmata sequante vel iis a ; capsula ovata obtusa mu- 
cronata uniloculari sepalis breviore; seminibus ovatis utrum- 
que e meres reticulatis. 
r mountains of California, Willebrand, Cal. St. 
Sury. 2338 s drs places on peaks near Mount Dana, 10,000 ft. 
high, Brewer, Cal. St. Surv. 1804; along the rapid current 
