ENGELMANN—NORTH AM. SPECIES OF JUNCUS. 481 
iridaceous plants, and which are very imperfectly ‘septate 
or articulate; their sheath sometimes terminates with two 
n 
flowered heads ; in many species we find forms with single 
or few large heads in clusters, and others with numerous 
even in flowers of the same head. The number of stamens 
e 
They inhabit the western slope of North America and exten 
to the Asiatic side of the Pacific. 
8. J. xrpntoiwEs, E. Meyer, Syn. June. 50 et Rel. Haenk. 
1; 1B: —_— l. c. 331: eaulibus (1-4-pedalibus) e rhizo- 
m 
multifloris ge ee lurimisve; floribus a ; sepalis 
ovato-oblanceolatis utrumque apiculatis lineolato-reticulatis. 
Var. a. littoralis: caulibus robustis elatis (2—4-pedalibus); 
— iatis iridaceis, vaginis sepius inappendiculatis; paniculze 
seepe Seung capitulis pauci- vel pluri-( 3-20)floris 
m i 
3 § hp 
rostrata vix brevioribus; antheris sepe apiculatis filamento 
paulo lon SN seminibus oblanceolatis.—J. wiphioides, 
Me: 
Var. B. ‘auratus : —— gracilibus elatis (3-pedalibus ul- 
tra); vaginis in folia latiora sensim excur nic 
supradecomposite ner pauci-(5~10)floris stramineis ni- 
tentibus ; eae zquilongis capsula rostrata brevioribus ; 
seminibus ut su ts 
. montanus: caulibus humilioribus (spithameis ses- 
quipedalibus); foliis | guna basi plerumque auriculatis; 
capitulis ere pallidioribus pluribus bse fi eo 
