SUNFLOWER FAMILY 199 
alternate, ~~ longer than aperrmvodes, thinly floccose-woolly, sparsely sinuate-dentate, more 
rarely entire, 2-4.5 cm. long, uch reduced above; heads from the leaf-axils of the upper 
bra sctiese or clustered on ne Econ de plants, subsessile or on peduncles up to 2 cm. long; 
involucres any aes about 4 mm. high and 6 m wide; p! vilaries oval, 5 or 6; otal 
ers wi oa 
t es m ry t 
inner face also more prominent, disk-achenes black: usually with a pubescent line on each face 
pappus-paleae usually 2, erose, mostly oe than the marginal hairs. 
Alkaline or loamy plains, Lower “yeast Zone; in the San Joaquin Valley, California, from Fresno County 
aces Kern Ae also on the Carrizo Plain, San Luis Obispo County. Type locality: Deer Creek, Tulare County. 
ar 
42. PERITYLE Benth. Bot. Sulph. 23. pl. 15. 1844. 
or perennial, po wd branched herbs, sometimes shrubby at least at the base. 
a 
y 
s numerous, radiate or discoid, berfar se at the ends of the branches. In- 
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or less cartilaginous margin. 
and 1-2 awns, though sometimes awnless. [From the Greek words meaning around and 
— 
enus of 25 species, natives of Mexico and southwestern United States. Type species, Perityle cali- 
Paes gous 
1. Perityle eméryi Torr. Emory Rock-daisy. Fig. 5323. 
erityle emor. ‘orr. in Emory, Notes Mil. Rec. 142. 1848. 
Perityle nuda Torr. Pacif. R. Rep. 4: 100. 1857. 
Perityle californica var. nuda A. Gray, rotons Fl. N. Amer. 12: 321. 1884. 
tA. y, loc 
Perityle rothrockii Rose, Bot. Gaz ths i. "1890. 
Perityle emoryi var. orcuttit Rose op. cit. 117. 
erityle greenei Rose, loc 
Perityle grayt Rose, op. oe ei 
Winter annual 1-4 dm. high, much branched, the = arched, widely spreading, peneeely 
hirsute and erst ndular- pecaeen to nearly glabro us. Leave: mostly alternate, 1.5-8 
the petiole about equaling the cordate, 1 go to oa ‘bla de, shorter abov ve, SME 
palmately lobed, the iobes. Precis so too thed ; cres 5-6 mm. hi gh, broader = high; phyl- 
laries in 2 subequal Series, the outer 2-veined, ware at the tip, taken inner narrow r and scarious- 
margined, reflexed in age; ray-flowers about 10, white, 2-3 ae . long; tube of the disk-flowers 
ng, black, the flattened faces 
about aling the throat, slandular-puberulent; 3 achenes 2-3 mm. lon : 
shane a8 and ee rly glabrous, the margin inconspicuously thickened and thickly beset with short 
i of etme short scales and a single awn about as long as the disk-corolla, this 
ocks and cliffs, penores Zones; Channel Islands and adjacent Ventura County, 
California, and southern Nevada a ad the Death Valley region in Inyo County, California, south th eee ithe 
Mojave and Colorado Deserts to tient re ex ana sre to southwestern Arizona and 
Tvpe locality: oa rate Collected by Emory. Dec.—Jun 
5321. Eatonella nivea 
tonella cong 
