354 COMPOSITAE 
18. Erigeron compdsitus Buea Cut-leaved Daisy. Fig. 5599. 
Erigeron compositus Pursh, Fl. Amer. Sept. 2: 
Cineraria lewisit Richards. in Frankl. 1st tert Bot pane 1823. 
Erigeron compositus var. grandiflorus Hook. or. Amer. 17. 1834. 
Erigeron compositus var. submontanus M. E. stabs Torreya a 56. 1928. 
Perennial from a taproot and branching caudex, 1-2.5 dm. tall, the herbage densely glandular 
and pe cated haxsute to subglabrous. Basal lea aves Panam dissected, the better- Pua eloped ones 
mostly three to four times ternate, often irregular ly so, with 1 relatively peer an ind linear divisions ; 
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ved. 
Sandy river banks at low icra Arid Transition Zone; Washington, iene sa ae Idaho. Type 
locality: “‘banks of the sts robably r the present ou ae” Tashi April—May. 
Erigeron compositus var. pests atus Se kanint Cat. Can 1884. ri multifidus Rydb. 
Mem. N.Y. Bot.’Gard. 1: 402. 1900; E. — var. “ac "Ryab. Te yes : E. multifidus var. incertus A. Nels. 
Bot. Gaz. 30: 198. 1900; E. compositus var. s A. Nels. in Coult. & Nels. New Man. ee ocky Mts. 529. 
1909; E. compositus var. nudus A. Nels. loc, srl 4% compositus var. spinal on & Payson, Contr, Gra ay. 
No. 49: 75. 1917; E. compositus var. petraeus Macbride & P . 76.) Best- serene leaves 
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positus ; plants averse mega Bare in typica compos tam re rage aoa slandulse and Abed 
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high siemakianar pi ra to Green land southward in the cordillera rf California (Sierra Nevada), northern Ari- 
gone Colorado, and South Dakota; also in Quehes Type locality: South Kootanie Pass, 49th parallel. June— 
ug 
Erigeron seeipeetens var. discoid Gray, Amer. Journ. Sci. IT, 33: 237. 1862. (Erigeron trifidus 
Hook. FI. Bor. =. tid 1834; E. ‘edatus Nutt. Trans. Amer. Phil. Soc. IT. 7: 308. 1840; E. compositus 
var. trt shees A. Gra Sings dl Acad. : 90. cls. in E. ee var. discoideus Rvdh. Mem. N.Y. Bot. 
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other varieties and sometimes Re ted Esra Me scien mbt: Total distribution sibel og re in var. glabratus, 
but in pts range rare and confined to the highest elevations. Type locality: alpine ridges lying east of Middle 
Park, Colorado. June—Aug 
19. Erigeron aiireus Greene. Alpine Yellow Daisy. Fig. 5600. 
Aperere. hers ei A. Gray, Syn. Fl. N. Amer. 12: 132. 1884. Not Erigeron brandegei A. Gray, 1884. 
Aster brandegei Kuntze, Rev. Gen. PI. 1: 317. 1891. 
Erigeron aureus Greene, Pittonia 2: 169. 1891. 
Stenotus brandegei Howell, Fl. N.W. Amer. 300. 1900. 
Fibrous-rooted to weakly taprooted perennial from 2 branching caudex, 2-15 cm. tall, the 
herbage pte heacent with short, appressed or loose hairs. Basal leaves petiolate, with ‘elliotic 
to obovate or subrotund, mostly broadly rounded or eitae blade up to 13 mm. wide; cauline leaves 
few and reduced; head solitary, the disk 7-16 mm. wide; involucre 5-8 mm. high, its bracts loose, 
equal, herbaceous, sometimes anthocyanic, sparsely to densely bg gs By einen the hairs sometimes 
with purple cross-walls ; rays mostly 25-70, yellow, 6-9 mm. long, 1.4-2. 5 mm. wide; disk-corollas 
3.6-4.9 mm. long; style-appendages acute, 0. 3-0.5 m rigs HE pappus of 10-20 bristles and some 
sie outer setae or narrow scales; achenes 2- ue A ¥. 
ocky es at high te eet in 7a mountains, Arctic-Alpine Zone; southern Alberta, southern Brit tish 
LB Sicniies rie “the Case: ge s of Washington. Type locality: “Mountains of Washington Terr., in the 
Yakima district.” J ta 
20. Erigeron simplex Greene. Alpine Daisy. Fig. 5601. 
Erigcron simplex Greene, Fl. Fran. 387. 1897. 
Fibrous-rooted perennial with few or solitary, more or less viscid- villous, pee erect stems 
2-20 em. tall arising from a simple or moderately branched caudex. Basal leaves oblanceolate or 
spatulate, up to 8 cm. long and 13 mm. wide; Canin ne leaves pets and eae head solitary, the 
dis mm. wide; involucre 5-8 mm. high, eteray to densely white-woolly-villous with 
flattened multicellular bani the Fe tine thi n, equal, green or often rig sh often ae of the 
outer loose or reflex rays 50-125, blue, pink, a rarely white, 7-11 mm. long, 1— wide ; 
disk-corollas 3-3.6 mm. long; Ge sheciiages acute, about 0.2 mm. long; pappus of 10-18 caulk 
lary fal Afr eg and some short, outer, setose scales ; achenes ree rved. 
slopes and dry ibhciiies at hich altitudes in the oe Arctic-Alpine Zone; northeastern Oregon 
(Wallowa Frye to Montana, northeastern Nevada, northern Arizona, and New Mexico. Type locality: 
or 
21. Erigeron fléttii G. N. Jones. Olympic Daisy. Fig. 5602. 
Erigeron flettii G. N. Jones, Univ. Wash. Pub. Biol. 5: 244, 1936. 
less fibrous-rooted perennial from a stout branched caudex, 5-15 igs tall, od Saad 
sparsely spreading Bind a = largely basal, spatulate or oblanceolate, up to 5 esr and 
12 mm. wide, glabrou t hirsute, marginally ciliate; cauline leaves tow an 
head solitary, the disk mostly “0-15 mm. wide; involucre 6-8 mm. high, sparsely to o eatty 
long-villous and sometimes also viscid, the phyllaries shou equal, thin, green, purplish above; rays 
