SUNFLOWER FAMILY 297 
5500. Solidago decumbens 5501. Solidago multiradiata 
79. CHRYSOTHAMNUS* Nutt. Trans. Amer. Phil. Soc. IT. 7: 323. 1840. 
Shrubs or subshrubs, usually much branched with erect stems. Leaves alternate, entire, 
narrow, not fasciculate, sometimes glandular-punctate. Heads n numerous, strictly dis coid, 
w 
ere 
densely sericeous. Pappus copious, of soft silat seiasieds [Name Greek, meaning gold 
res shrub. 
nus of 13 well-defined species, except for one Mexican species, all confined to the western United States 
ae a. aaacent borders. Type species, Chrysothamnus pumilus Nutt. (= C. viscidifiorus subsp. pumilus (Nutt.) 
Cc ds 
Leaves resinous- -punctate, terete. 
Flow ellow 
Phyflacies thin, not By ipa: 28 thickened apically. 1. C. paniculatus. 
yllar p conspicuous, thick, green, glandular spot. 256, % co ” linus 
Flowers white. 3. C.a 
Leaves net resingus-punctate- 
ia 
“Plaate enacts shrubby; leaves not prominently ribbed; phyllaries not cuspidate at a truncate or retuse 
Duitiacies ; in ob vertical ranks. 
bina white; phyllaries with ender tapering tip. 3. C. albidus. 
Flowers yello ole acute. 4. C. viscidifiorus. 
Phytaie i - shar i de fined weitical rank: 
Ste hai: cine rete, 0.5 mm ger involucre 5-6 mm. high; achenes sericeous. 
5. C. axillaris. 
Stems scabrid-puberulent; leaves oblanceolate, 1.5-4 mm. wide; involucre 9-12 mm. high; 
achenes glabrate. . depressus. 
Plants largely herbaceous above a ieaeened Ddgeed caudex; leaves longitudinally ribbed; phyllaries broad, 
cuspidat . C. gramineus. 
Twigs densely pannose-tomentose. 
Inflorescence mostly racemose - existe:  malaeiiond very: nr &. C 
Inflorescence mostly cymose; phy y attenuate. 9. C. nauseosus. 
1. Chrysothamnus paniculatus (A. Gray) H. M. Hall. Punctate Rabbit-brush. 
Fig. 5503. 
gelovi y, Proc. Amer. Acad. 8: 644. 1873. 
Aster as sae Ki untze ee , Be PRis3rs. 1891; 
Chrysothamnus paniculatus H. M. Hall, Univ. acre dg: Bot. 3: 58. 1907. 
Ericameria paniculata Rydb. FI. aks Mts. 853 
Loosely branched, broadly rounded a = 6-20 dm. high, the herbage glabrous, Se pemn, 
neesaate slancualacrokeisiatle somewhat glaucescent. Leaves terete, mucronate-tipped, 1-3 
* Text tributed by David Daniels Keck. 
