494 COMPOSITAE 
128. MICROPUS L. Sp. Pl. 927. 1753. 
w, floccose-woolly annuals with alternate, narrow, entire leaves and small, disciform, 
l-seriate or pin ag te, our species), enclose in oe as Be tetas, at 
u 
usually bifid, with slender branches. [Nam eek, is iar small foot, in allusion perhaps 
to its likeness on a small scale to Leontopodivon, lion’s-foo 
enus of about 5 species os Europe, Asia, and North America. ea species, Micropus supinus L. 
oe Micropus californicus Fisch. & Mey. Slender Cottonweed. Fig. 5867. 
cropus californicus Fisch. & Mey. Ind. Sem. Hort. Petrop. 1835: 42. 1835. 
Micropus erent Nutt. Trans. Amer. Phil. Soc. II. 7: 339. 1841. 
subvestitus A. Gray, a Calif. 12.335. 1876, 
Guabhaloder pats iaielp Cicene: Mie Bay Reg. 
Slender, erect, gray-woolly annual etion m. high, simple or erect-branched, leafy. —— 
nearly uniform, line ear to ogi dee olate or sivowly ate, 0.5- 2. 5 cm. lon , 0.7- 
wide, acute or acuminate, callous-pointed, sho rtly decurrent, enti ; heads in ba dense, ‘crite 
and terminal clusters, at maturity about 3 mm. high an ; ot ; involucre of about 8 green- 
s with short appressed w n rat y mm. lon 
bearing at apex of straight inner side and ‘thus below the rounded top an erectish beak about 1-1.5 
mm. long, flattened and scarious for about its upper half; hermaphrodite flowers ee re sed 
pose, not Fameigsal by fi udheular bracts; achenes obovoid, greenish, about 1 
und, Upper Sonoran Zone; ici County, Willamette ~ southwestern — wae 
Dry 
(west s the ony “Nevada) to northern Lower California. Type locality: probably Fort Ross, Sonoma County, 
California. April—Jun 
129. EVAX Gaertn. Fruct. 2: 393. pl. 165. 1791. 
Small, erect, diffusely branched or acaulescent, more or less woolly annual (some Euro- 
ves entire, alternate along the stem or clustered beneath the 
5 
n 
a 
wn 
ae 
fl s prod a slender column. Pistillate flowers fertile, several to , in series 
on the outer part of the receptacle, each subtneded by a plane or slightly cave, scarious 
or chartaceous, rsistent receptacular ct. Hermaphrodite flowe rile (in 
e 
corolla fili form ; hermaphrodite corolla tubular, the limb somewhat expanded nd 4-5-den- 
tate. Achenes smooth or minutely papillose, more or less obcompressed; pappus absent. 
[Name of an Arabian chief. ] 
A genus of 12 or 14 species, natives of both hemispheres. Type species, Evaxr umbellata Gaertn. 
ndaspodigt stoned (rarely 2) in leaf-axils or at ends of branches; upper stem-leaves 4—25 mm. a5 
Plan ect; heads 
markedly longer than broad, mostly in lea aitts . E. sparsifiora. 
roasts tip heads nearly as broad as long, terminal on the bekndies (axillary heads rarely & igen! 
acaulis. 
Flower-heads clustered (6-20) at apex of stem; upper stem-leaves 4.5-8.5 cm. long. * E. caulescens. 
L. ss sparsiflora (A. Gray) Jepson. Erect Evax. Fig. 5868. 
rsifilora A, Gray, Syn. Fl. N. Amer. 12; 229, 1884. 
anit linlicderax var. Fee Gray, loc, cit. 
Hesperevax sparsifiora Greene, Fl. Fran. 402. 1897. 
Hesperevax brevifolia Greene, loc. cit. 
Evax sparsifiora Jepson, FI. W. Mid. Calif. 549. 1901. 
Slender, erect or ascending annual 3-10 cm. high, — or usually branched at base, thinly 
floccose-woolly. Leaves Gate 5-25 mm. long, 1-6 mm. wide, the blade obovate or suborbi cular, 
ice rs 
sessile, solitary in the leaf-axils, not whorled-involucrate, or sometimes 2 or 3 at ti em 
subtended by 3-4 leaves; receptacle with convex > eee villous base bearing the pistillate ats 
