482 TRANS. OF THE ACAD. OF SCIENCE. 
seu paucis pe singulis) pluri-(12-20) vel multi-( 20-50) flo- 
_Yis fuscis ; floribus paulo minoribus; sepalis interioribus bre- 
vioribus pleramque acutis, exterioribus capsulam longe mu- 
cronatam xquantibus ; seminibus ut supra.—J. wxiphioides, 
Torr. Bot. Mex. Bound. 222; Gray, Pl. Hall & Harb. 1. ec. 
Var. 6. ‘macranthus : eaulibus mediis a 
vaginis olia angustiora sensim excurrentibu apitulis 
paucis multi-(18_40}fo oris 5 floribus vanes oribus ri cael 
fere xquilon i interioribus se spe obtusiusculis capsulam acu- 
fuscis rar ml ane aequi ongis seu interioribus obtusi- 
oribus subbrevioribus capsulam mucronatam aia seu 
ea brevioribus; seminibus fere ut in var, a.—/. ensifolius, 
i a in Act. Holm. 1x23, II. 1; Kunth, lc. 337. 
1925, and into the plains, Saskatchawan, Drummond, and Ft. 
Riley, HT. Engelmann; the small-headed form is of more south- 
ern origin—Arizona, Coues & Palmer, 70, N. Mexico, Wright, 
1923 in part, and west Texas, Lincecum. Var. 6 only in Una- 
laschka, Hschscholtz, on the “North-west coast,” Douglas, 
ka, E’schsholtz, Chamisso, Mertens, to the Cascade Moun- 
tains, Lyall, and the Californian Mountains, en Hb. 
n. 94; the panicled form, San Francisco, Bo 
This species, the type of the group of Ensifoli, is as vari- 
able as any of its eastern congeners, and its extreme form 
are as widely apart in size of — and leaves, and of fower- 
Pesan in their ain and even in the number of sta- 
mens, and transitions between Sai different varieties are not 
cep ds ; butin » an and fruit they are remarkably uniform. 
—The flowers are 1} lines long, rarely a little smaller, and 
only in var. 6 and ¢ larger; the sepals are narrow, the outer 
and often shorter; stamens scarcely more than half as lon 
sepals; seeds 0.23-0.2 26 line long and attenuate at least at the 
lower end, except in var. 6; their length is usually equal to 
nnn tennant un 
