486 COMPOSITAE 
125. STYLOCLINE Nutt. Trans. Amer. Phil. Soc. II. 7: 338. 1841. 
Low, slender, erect or diffuse, usually much-branched, woolly ae a small, nar- 
row, entire, alternate leaves and small, Surered, leafy- bracted, ovoid to obose, disci- 
ao : 
orbicular, plane, hyaline tip or on this glabrous except for the pier Cintee: corol- 
: . : : ; A 
er 
flowers hispidulous, truncate or subtruncate. Achenes of pistillate Sats slender] 
obovoid or elliptic, smooth, glabrous, few-nerved, slightly compressed or obcompressed, 
epappose, bearing the corolla at the symmetrical summit. [Name Greek, meaning column- 
bed, from the form of the receptacle. ] 
A genus of 7 species, six from western and southwestern United States and adjacent Mexico and one from 
Afghanistan. Type species, Stylocline gnaphalioides Nutt. 
Receptacular bracts surrounding the Mapibiate flowers ineospicwous, hyaline, oblong or linear, neither qociiete 
nor stellately spreading in age; stam e flowers with 2-5 deciduous pappus- Siiatiea (lacking in S. psi 
carphoides). 
Marginal bract ing th istill fl b lly hyaline-winged tl gl their eA 
naphal lioides 
se ahaa > bracts enclosing the pistillate flowers with a terminal hyaline appendage, hee sasha not estas 
ged or with a narrow wing much shorter than the body of the bract. 
Hesiine —— of the outer row of pistillate bracts horizontally inflexed; plants of the San Francisco 
_ Bay re 2. S. amphibola. 
H f all the pistillate bracts erect; plants of the Great Basin and southwestern deserts. 
Plants. loosely:  ieaante fro ‘om the toa open; leaves subtending the erences. heads attenuate at apex 
and u: onspicuously cusped. . §. micropoides. 
Plants aes mrt i from the as dense; leaves subtending the clustered het merely acute and 
inconspicuously if at all cuspe . S. psilocarphoides. 
Receptacular bracts surrounding the pamients a. conspicuous, rigidly inat rig te, prec TN spreading 
in age; staminate flowers epappos . S. filiginea. j 
1. Stylocline gnaphalioides Nutt. Everlasting Stylocline or Nest-straw. 
. Fig. 5852. 
Stylocline gnaphalioides Nutt. Trans. Amer 1h: Soe TF: se sing 1841. 
ea: arizonica Coville, Proc. Biol. Soc. eagle 2.79. 
to diffuse, gray-wooly annual 15 cm. a or less, ride siad much-branched from base or 
wn 
a 
eo 
RZ 
: 0 a: wri 
spreading wing, the whole suborbicular-ovate, obtuse: staminate flowers w 
ascending, somewhat thickened bristles ; achenes Bendee straight on inner ‘Side: convex on outer 
somewhat compressed laterally. 
Dry plains and open <p oh Upper and Lower Sonoran Zones; Santa Cruz County and the San Joaquin 
mys ecg south to northern . le California east to Arizona. Type locality: onerss; California. 
2. Stylocline tence aa “ Gray) J. T. Howell. Mt. Diablo Cottonweed 
Stylociine: Fig. 5853. 
a icepbue gmphabains A. . Gray, Proc. Amer. Acad. 17: 214. 1882. 
Greene, Man. Bay Reg. 183. 1894. 
Styloctine sinphibola J. T. Howell, Lealtets West. Bot. 5: 91. 1948. 
Floccose-woolly plants = cm. high or less, the stems simple or shortly branched above 
tillate Gowers 9-11, imbricated on an oblong to nearly cylindric receptacle, their enclosing bencts 
thinner, nearly membranaceous, the upper part with a broad, ovate, hyaline margin throughout its 
length, in outer flowers horizontally inflexed and at maturity about half as long as bod 
or more, in the flower el exed or erectish; herm 
tended by thin linear bracts, and with a pappus of abou iduous hispidulous bristles ; achene 
mm. long, bearing the corolla centrally or on inner point of the truncate- Pex. 
Low hills and rocks, Upper Sonoran Zone; Lake County to the northern San Francisco Bay region, Cali- 
