248 COMPOSITAE 
1. Aen linearis (Cav.) Lag. Spanish Needle. Fig. 5407. 
Ageratum lineare Cav. Ic. 3: 3. pl. 205. oa 
Stevia linearis Willd. : 1774. 180 
Stevia sig ana HE Schlecht. in Willd. aa Pl. Suppl. 57. 1813, as a synonym. 
Palafo-xia linearis . Gen. & Sp. Nov. 26. 1816 
Paleolaris — ass. Bull. Soc. Philom. 1818: 47. 1818. 
Hispid or scabrous annuals, glandular above, the herbage dark, 2-7 omy high, branched above 
the iy Leaves sparsely 0 nescent, linear to linear- lanceolate, narrowed to a sho chthan —_— 
1-nerved, cm. long; s few, loos sty corymbose on glan dular shi ncles, discoid, flow 
pinkish ; voluct e 15-18 le He, 10-20- flowered ; phyllaries 7-13, bay baceous, neat acute, hispid 
and glandular, camewhat eeled at a corollas perfect, 7-10 mm. long, the lobes shorter than 
the throat, — styles lng see a e achene dark, 4-angled, vitor Siriiely strigose, the body 
of the achen = ee ong as  hiatrar pappus-paleae subequal, usually 4, spreading at 
haterity, a little ister on half the len eth of the a siete! "lice alate par strong midrib 
bordered by a corsa a gile “Nealaac a: margin, Slik outer rete sometimes with ne paleae unequal. 
Sandy washes and flats, i Sonoran Zone; Inyo County, California, south to the Colorado Desert where 
Lee teers and adjacent Lower California, east to Arizona and northern aaa Type locality: Mexico. 
Palafoxia linearis var. Gisvotés M. E. Jones, Contr. West. Bot. No. 18:79. 1933. (Palafoxia linearis 
arentcola A. Nels. Amer. Journ. Bot. 23: 265. 1936.) Plants becoming shrubby, 1—2 m. tall, the herbage green 
= scabrous; leaves lanceola ie wairowad to a short petiole, strongly 3-nerved; phyllaries 15-20 mm. long, eglandu- 
; achenes ‘about the same length or longer, the pa pus-paleae about 8, four about = the length of the 
Calif 
62. AMBLYOPAPPUS Hook. & Arn. Hook. Journ. Bot. 3: 321. 1841. 
Ere 
ees: Sadie 3 linear, the lower pinnate wi ew linear lobes. In florescence many 
n 
dark, 4-angled, narrowed below, the pappus of obtuse, scarious, often colored paleae. 
m the Greek words meaning blunt and pappus + 
A monotypic genus. 
1. Amblyopappus pusillus Hook. & Arn. Amblyopappus. Fig. 5408. 
Ambisababeas tpt Hook. & Arn. Hook. Journ. Bot. 3: 321. 1841. 
Aromia tenutfoli Trans. Amer. Phil. Soc. II. 7: 396. 1841. 
Infantea chilensis a. in = FI. Chil. 4: 259, pi. 48. 1849 
Plants yellowish, erect, 14 dm. high, stems eae simple or branched below, much branched 
above, the branches ascen citime. Leaves toe entire, 1-3 cm. long, the lower somewhat longer and 
often pinnately 3-5-parted ; heads many, yellowish; ‘iwelicte 3 mm. high, the phyllaries 4-6, thin; 
marginal a isk-flowers minute, about twice the length of the pappus; long, 
pa achenes 
roughened, shi ae sparsely cov ered with coarse hairs, these mostly on the angles ; pappus-paleae 
8-12, striate, shining, 0.5 mm. lon ng. 
On ocean bluffs and by sa hes. Sonoran Zones; coast of San Luis Obispo County and on the Channel 
Islands, California, seatiieard. m pe California; also Pern and Chile. Type locality: Coquimbo, Chile. April- 
63. BLENNOSPERMA Less. Syn. Comp. 267. 1832. 
Annual, nearly glabrous ws: branching from the base. Leaves alternate, pinnately 
parted, the lobes remote, or owest rarely entire. Heads terminating the branches, 
many-flowered, on base of the gee somewhat enlarged. cig + ay flat. a 
disk- faa dinsiied. Achenes obovoid, obscurely 6-10-angled, the surface papillate, 
pentane mucilaginous when wet; epappose. [From the Greek words meaning mucus and 
see 
A genus of 3 species, natives of California and Chile. Type species, Blennosperma chilensis Less. 
Lower leaves 8-10-lobed, the lobes short; branches of the stigma yellow. 1. B. nanum. 
Lower leaves entire or 3-lobed, the lobes long; branches of the stigma red. 2. B. bakeri. 
1 ieee oe gala nanum (Hook.) Blake. Common Blennosperma. Fig. 5409. 
Chrysanth nanum Hook. Fl. Bor. Amer. 1: 320. 1833. 
ei Coniothel clifornc De Prod, 5: 531. 18 
To . N. Amer. 2: 272. 1842. 
i. nanum Blake, Pia Biol. Sex: Wash, ai 144. 1926. 
