MACRONEMA. ; COMPOSIT A 301 
S. acaulis Nutt. Trans. Am. Phil. Soe. vii,334. <Aplopappus acaulis | 
Gray. Depressed-cespitose from a multicipital lignescent candex: leaves 
rigi and persistent, crowded on the crown of the caudex and a 
few on the scapiform flowering stems, from spatulate to oblanceo- 
late or linear, 4-3 inches long mucronate more or less 3-nerved commonly 
scabrous; scapiform flowering stems 1-10 inches high: heads mostly soli- 
tary, many-flowered, radiate: bracts of the involucre from ovate to ovate- 
lanceolate, mucronately acute or acuminate, destitute of greenish tips 
the outer a little shortest: style appendages subulate: achenes canescent- 
ly villous. Dry rocks on the mountains at 600U-800u feet, eastern Oregon to 
Jalifornia and saskatchewan. 
S. stenophyllus Greene Eryth. ii, 72. Aplopappus stenophyllus Gray. 
Hirtellous-scabrous ; suffruticulose spreading: stems numerous 1-3 inches 
long: leaves very narrow, linear-spatulate to filiform, 6-12 lines long 1- 
nerved persistent: scapiform peduncles 1-2 inches long: heads solitary, 
radiate: involucre 6 lines high, its bracts linear, equal, inl or2 series 
glandular puberulent: style appendages subulate :achenes canescently vil- 
Be ick rocky ridges, eastern Washington to northeastern California 
an aho 
9 MACRONEMA Nutt, Trans. Am. Phil. Soc. vii, 322. 
Low and_ viscidly-pubescent much branched shrubby piants, 
the fastigiate leafy branches terminated by solitary rather large 
heads, with entire sessile leaves and yellow flowers. Heads 
many-flowered, the rays 6-8, ligulate, pistillate, or none: disk- 
flowers tubular, perfect. Bracts of the involere few, loose, some- 
‘what in two series, nearly equal, linear-lanceolate, 1-nerved, 
the exterior mostly with follaceous spreading tips, commonly 
with one or more foliaceous bracts at the base resembling the 
upper leaves. Receptacle flat, areolate. Branches of the style 
much exserted, the appendages elongated, subulate, hirsute, 
much longer’ than the flat stigmatic partion. Achenes. large, 
much compressed. Pappus of copious somewhat ‘unequal scab- 
rous capillary bristles. 
M. suffruticosa Nutt.1 c¢ Aplopappus suffrvticosus Gray. Stems 6-8 
inches long from a low woody base, leafy to the summit: leaves oblong- 
linear to lanceolate, acute, somewhat narrowed toward the base, 12-18 
lines long by about 2 lines broad: heads mostly solitary, teminating the 
branches: inyolucre simple and loose, 8-1) lines high, its bracts. mostly 
with foliaceous tips: ray-flowers 2-8 linear-oblong, pistillate: achenes ob- 
long or slightly obovate. flat, i-3-nerved o : each side: pappus ferruginous. 
In the mountains of eastern \)regon to California and Wyoming. 
M. molle Greene Eryth ii, 73. Aplopappus Greenei var mollis Gray. 
Cinereous-pubescent to canescent-tomentose, even to the inyolcure: 
branches about a foot high from.a shrubby base: leaves somewhat lance- 
olate, 6-12 lines long, 2-3 lines broad: heads solitary or few and crowded, 
6 lines high ‘bracts of the involucre in about three series, lanceolaté, all 
more or less foliaceous: ravs 2-7, 3-4 lines long; disk flowers 10-16. In the 
mountains of eastern Oregon and Washington. 
M. Greenei Greene l. c.. Aplopappus Greenei Gray. ‘tlabrous or 
ahove very obscurely viscid-puberulent,about:a foot high. branching from a 
shrubby base: leaves spatulate-oblong to somewhat lanceolate, 6-12 lines 
long, 2-3 lines broad, obtuse or mucronate: heads solitary or few and 
crow ded, half inch high: bracts of the involucre in about 3 series, lance 
