CATALOGUE. 
137 
vada. Foot-hilis and liigli canons of tlie East and West Humboldt Mount- 
ains ; 6,500-8,500 feet altitude ; the more elevated station (East Humboldt 
Mountains) furnishing dwarfed plants 8' high with smaller leaves ; Septem- 
ber. (491.) 
BpacKELLiA^ OBLONGIFOLTA, Nutt. Viscidly puberuleut ; stems 6-12' 
hidi, several from a suffrutescent base ; leaves numerous, alternate, sessile, 
elliptical-oblong, entire, 3-nerved, 8-12" long; heads large, solitary or few, 
terminating short leafy branches ; involucral scales imbricated in 3 or 4 series, 
outer ones ovate-oblong, inner ones lance-linear, acute ; flowers about 30 ; 
branches of the style somewhat exserted ; achenia minutely glan(Uilar or ob- 
scurely setulose along the striae ; pappus shghtly plumose, exceeding the invo- 
lucre, but shorter than the corolla. — British Columbia (Lyall !) and Oregon. 
An excellent figure is given on Plate IX of Torrey's unpubHshed report on 
the Western North American botany of Wilkes's Expedition. Var, abbre- 
viATA, Gray MSS. A dwarfed form, 4-8' high, with oblong leaves, 5-6" 
long ; heads solitary or very few ; achenia glandular only. — West Humboldt 
Mountains ; 8,000 feet altitude ; September. Plate XV. Fig. 7. A single 
stem ; natural size. Fig. 8. A leaf; enlarged two diameters. Fig. 9. A co- 
rolla, expanded; enlarged four diameters. Fig. 10. An achenium; enlarged 
eight diameters. (492.) 
Brickellia linifolia. Minutely glandular-puberulent ; stems very nu- 
merous, 12-16' high from a stout woody base, corymbose at the summit; 
leaves numerous, alternate, sessile, elliptical-lanceolate, entire, obscurely 
3-nerved, 9-12" long; heads large, solitary on elongated somewhat leafy 
branches ; involucre 40-50-flowered, the scales in several series, outer ones 
ovate, inner ones linear, acute ; branches of the style club-shaped, exserted ; 
achenia with a double row of minute bristles along the striae ; pappus ob- 
scurely j^lumose. — Sandy bottoms of American Fork, Jordan Valley, Utah ; 
July. Near the last, but a larger plant, with narrower leaves, and a setulose, 
not glandular achenium. Plate XV. Fig. 1. A single stem ; natural size. 
Fig. 2. A leaf ; enlarged two diameters. Fig. 3. An achenium ; and Fig. 4. 
1 brickellia, Elt.. Gray, in PL WyUjht., 1. 84. Heads 4-50-flowered. luYolucre imbricated, the 
scales striated, oiTtcr ones shorter. Receptacle Hat, naked. Flowers all tubular, the corolla white or 
yellowisli, cylindrical, scarcely expanded toward tlu> suTiniiit, the teeth very short. Base of the style 
bnlbons and often villous. Acheuia with ten stric-e, sometimes obscurely 5-angled. Pappus of scabrous 
barbellate or slightly plumose bristles.— Perennial herbs or suiTruticose plants, with opposite or alternate 
leaves, and frequently the habit of Etqmtor'um. 
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