SYNOPSIS OF THE FLORA OF COLORADO. 55 



LiATRis SCARIOSA, Willd. South Park, Canby ; Porter. Canon City, 

 Brandegee. Plains near Denver, Coulter. 



PECTIS^ Pectidopsis) ANGUSTIFOLIA, Torr., Ann. JV. T. Lye. 2, p. 214. 

 Annual, very low, more or less branching from the base, nearly gla- 

 brous; leaves opposite, narrowly linear, punctate with large pellucid 

 glands, somewhat connate at base, margins below fringed with a few 

 bristles; heads on short peduncles on the ends of the branches; flowers 

 yellow, those of the ray 7-8. " Gravelly banks of streams." Hall & 

 Harbour, 297. STear Grand Canon of the Arkansas, Redfield. 



KUHNIA EUPATORIOIDES, L., var. GRACiLis, T. & G. Leaves numerous, 

 shorter, linear and mostly entire, minutely pubescent, revolute on the 

 margins; corymbs loose, paniculate. Canon City, Brandegee. Near Den- 

 ver, Dr. Smith. 



EUPATORIUM PURPUREUM, L. Near Canon City, Brandegee. 



EUPATORIUM BERLANDIERI, DC. (E. ageratifolium, DC., var. Texense, 

 T. & G.) DC. Prod. 5, p. 167. Bot. Mex. Bound. 2, p. 76; also var. her- 

 baceum, Gr. PL Wright., 2, p. 74. "Shrubby, glabrous; branches terete, 

 8triate; leaves opposite, petioled, ovate, acuminate, entire at base and 

 apex with a few crenate teeth between, not glandular ; branches oppo- 

 site, corymbose at the apex; heads pedicillate, about 25-flowered; scales 

 of the involucre in about 2 series, linear, acuminate ; acheiiium angled, 

 slightly scabrous on the angles; pappus almost twice shorter than the 

 corolla." 



Yar. Stem suffruticose only at base, minutely puberulent above but 

 not glandular ; leaves cordate or triangular-cordate, larger ones 2' long, 

 iy broad, 3-uerved ; scales of the involucre lanceolate or lauce-linear ; 

 pedicels somewhat glandular ; pappus nearly equaling the corolla ; 

 achenia slightly scabrous on the angles. Wet Mountain Valley, Brande- 

 gee. 



BRiCKELLiA 2 CALIFORNICA, Gr. Scurfy -puberuleut ; stems numerous 

 from a woody base, 1J high, branching; leaves 9"-20" long, thickish, 

 alternate, petioled, deltoid-ovate or subcordate, acutish, dentate, ob- 

 scurely 3-uerved from the base, the under surface reticulated; heads 

 medium-sized, nearly sessile in short axillary racemes, 10-12 flowered; 

 involucral scales imbricated, obtuse, the outer ones appressed, very 

 short, inner ones erect, elongated; achenia minute, finely pubescent, 

 obscurely striate; pappus scabrous. Canon City, Brandegee. 



BRICKELLIA GRANDIFLORA, Nutt. Stem 2-2 high, rather stout, 

 paniculate at summit; leaves cordate-triangular, about 2' long, opposite 

 or alternate, loug-petioled, coarsely serrate, glabrous or slightly pubes- 

 cent, dotted with resinous globules beneath ; heads middle-sized or 

 very large, glomerate at the ends of the panicled branches, about 30- 

 flowered ; involucral scales in several series, imbricated, outer ones 



<PECTTS, L. Heads many-flowered ; the flowers of the ray in a single series, ligulate 

 pistillate; those of the 'disk perfect, tubular. Involucre cylindrieal-campanulate ; 

 the scales about 8, in a single series, somewhat eonduplicate. Receptacle naked. 

 Corolla of the disk 5-toothed, regular. Branches of the style semi-cylindrical ; short. 

 Achenia crowded with a very short scarious minutely about 5-toothed and somewhat 

 lacerate pappus. T. $ G. Ft. ^V. Am. 



* BRICKELLIA, Ell., Gray, in PL Wrlylit, 1, p. 84. Heads 4-50 flowered. Involucre imbri- 

 cated; the scales striated, outer ones shorter. Receptacle flat, naked. Flowers all tubu- 

 lar; the corolla white or yellowish, cylindrical, scarcely expanded towards the summit ; 

 the teeth very short. Base of the style bulbous and often villous. Achenia with ten 

 striae, sometimes obscurely 5-angled. Pappus of scabrous-barbellate or slightly plu- 

 mose bristles. Perennial herbs or sutr'ruticose plants, with opposite or alternate leaves, 

 and frequently the habit of Eupatorium. 



