SUNFLOWER FAMILY 245 
a. remem tenuifodlia Nutt. San ati Chaenactis. Fig. 5402. 
ifolia A. ats e f 
Chaenactis glabriuscula var. tenuifolia H. M. Hall, Univ. "Calif. Ei Bot. 3: 191. 1907. 
Chaenactis glabriuscula var. filifolia Tepeok. Man. FI. Pl. Calif. 1124. 1925, as ‘‘ name only. 
Annuals, (1.5)2-6 dm. high, stems am and wiry, reddish at least at a base, cnares branch- 
ing above the base with ‘ascending branches, the herbage sparsely floccose to glabra Leaves 
—6(8), about 0.5-2 de, pinnate or often bipinnate, di ided to t cided in lees ‘divis ons 
of unequal length, the uppermost leaves reduced, pinnately parted and mostly much 
the inter a. Rosine mostly many, rather small, on slender peduncles ; involucres mm. high, 
hemispher any- flowere , the gore hagysage not greatly enlarg mh aa faealei snag wly 
linear- tte Pi and a about 1 mm. wide, not conspicuously herbace and bec rather 
firm in age, noticeably eigen Bs csi a metimes — sO, slightly. if at all woo colly: ‘achenes 
mm. or more long, s Sait pappus caitiaae: narrowly oblong or sometimes acute, one-half t 
two-thirds as long as the corollas 
Don places in the aac, i sandy canyons, Sonoran Zones; Orange and San Diego —— east to 
western Imperial County; ete ped a "County where it teterecaaes with C. glabriuscula var. curta. Type 
locality: gmp Diego, Californ May-Jul 
cae tenuifolia var. insatins na Greene, W. Ame oe Dap ce, 33 1887. (Chaenactis cof epee Parish, 
wyeenS: 92. 1898; C. glabriuscula var. ptt ass H. M. Univ. eat, Pub. Bot. 3: 192. 1907.) Annuals, 
-3 igh, Bs ms and branches more divaricate and po a C. tenuifolia var. tener es leaves more or 
oe suabalent, the ultimate lobes rather broad and obtuse; involucres hemispheric, 8— dy high; phyllaries and 
pedunc ~* as ig conspicuously glandular than the preceding taxon. An ecotype of d c beaches: and Pit of 
the San Diego oe med coastline and that of adjacent Lower California; merging with ‘C. i ifolia var, tenutfolia 
away ala the oce: 
Some plants fro coastal Los Angeles County (Ballona; Redondo) have been oe which have the coarse 
glandular pubescence of this taxon but the habit and leaves of C. tenuifolia var. tenuifolia 
17. Chaenactis freméntii A. Gray. Fremont Pincushion or Chaenactis. Fig. 5403. 
Chaenactis fremontii A. Gray, Proc. Amer. Acad. 19: 30. 1883. 
Annuals, 10-30 cm. high, stems often reddish, usually rather stout, 1 to several from the base 
branched above, the thea nches accendine. glabrous though sometimes spa arsely and loosely ‘inate 
ar cm. 
imb; oO abou 
paleae 4, occasio nally 6, as long as the corollas, fear laceeonates nae of the i eration 
usually with 1 long and 3 short obtuse scales 
desert, mostly aeses Sonoran Zone; pire western Nevada and the adjacent Death Beco region, 
California, southward through the eis and Colorado Dcasts to Tenerial and eastern San Diego aeseties. 
and eastward to Arizona; also in the San Joaquin Valley in western Kern County. Type locality: California. 
Collected by Fremont on his iat pais hog March- Was 
18. Chaenactis stevioides Hook. & Arn. Broad-flowered Chaenactis. Fig. 5404. 
Chaenactis stevioides Hook. & Arn. Bot. RRs 353. 1839. 
¢ ‘pit 8 floribunda Greene, Pittonia 3: 168. 1897. 
Annual, 10-15(25) cm. high, sin oe stemmed or several-stemmed from the base, branching 
above the middle, the fete many, ade h the branches, the herbage finely grayish floccose- 
5403 
5402. Chaenactis tenuifolia 5403. Chaenactis fremontii 
