274 COMPOSITAE 
A Maplopoope hirtus A. Gray. Sticky Pyrrocoma. Fig. 5452. 
Haplopappus hirtus A. Gray, Syn. N. Amer. 12: 127. 1884. 
Aster grayanus Kuntze, Rev © aneey 316. 1891. 
Pyrrocoma hirta Shean, Erythea 2: 69. 18 
Hoorebekia hirta Piper, Contr. U.S. Nat. Pent. 11: 560. 1906. 
Stems several, erect or ascending, often decumbent at base, 1.5-3 = . high, from a woody, 
often slightly branched caudex surmounting a taproot, more or less e uably leafy throughout 
spar tor 
. a 5 
sharply pectinate-serrate or doubly serrate, rarely suben tire, the caulin p ecele sessile; heads 
or several, loosely racemose or s mose ; Oo laer bro adly campantulat e, 9-12 mm. high; 
phyllaries es 3-seriate, subequal, linear- a hei spear with loose tip, stipitate-glandular 
and villous; ray-florets 13-25, the ligules 7-10 . long; achenes silky; pappus 
Dry rocky pare, — or open woods, Arid een Po ake northeastern Misc to se ee Cali- 
os cast orther evada. Type locality: Baker he ee Oregon. Pach ne 
Hegt cpap hir subsp. sonchifélius (Greene) H. M. Hall, Carnegie Wash. Publ. 389: 125 
1928. (Pyrrocoma sonchifolia Greene ec Hee Obs, 2: y 1909; PB foltoce a loc. cit., not yaa 1844; 
iiavrnsres ges var. sonchifoli E. Peck, Man. Pl. Oregon 7 13. 19 rica" h abige bed robust stems 1.5—4.5 
high; leaves ample, the basal inde lanceolate “aig oval, the blade 7-15 cm. long, up to 45 mm. wide, on =_ 
. ag Ysa. setione: involucre 12-14 mm. high, the phyllaries attenuate- tipped. cae or dry “is nats F Zaria Tra 
tion Zone; central and southeastern Washington, northeastern Oregon, and adjacent Idaho. Type locality: vieuns 
region . June-Ju ly. 
Ha aplopappus hirtus subsp. lanulésus (Greene) H. M. Hall, Carnegie Inst. Wash. Publ. No. 389: 125. 
neat yr lanulosa Greene, Leaflets Bot. Obs. 2: 16. rat P. turbinella Greene, oe cit. 17; Haplopappus hirtus 
var, lanulosus M. E. Peck, Man. Pl. Oregon 713. 1941 Habit as in subsp. hirtus but the cauline leaves more 
obviously reduced in size, the st fon tending to be more obviously woolly an nd less glaadalee. the involucre 8-11 
mm. high, ¢ py Dhyllaries omricet merely green- Ae cbang) the 2% a iaaented nor ak Sons sy Moist or dry soil of 
sagebru sh Laoag yellow pine woods, Arid Transition Zone t County, Oregon, to Lassen County, California. 
Type loc Bene Fiat, castead Oregon. Poin gona 
8. Haplopappus uniflérus Hook.) Torr. & Gray. Single-headed Pyrrocoma. 
Fig. 5453. 
Donia uniflora Hook. FI. Bor. Sang 2:25. 18 
Homopappus unifiorus Nutt, s. Amer. ae ‘ee Tl. 7: 333.1800, 
Haplopappus unifiorus Torr. a ‘Grays Fl. N. Amer. 2: 241, 1842 
H apt pappus h lit A. Gray, Syn. Fl. N. Amer. ed. 2. 17: 446. 1886. 
iflora G , Erythea 2: 60. 1894, 
Pyrrocome howell Greene ts ee 70. 
bekia M. E. Jones, Bull. Univ. Mont. Biol. Ser. No. 15: 
Haplopappus onifore subsp. howellii i, M. Hall, Carnegie Inst. Wash Publ ae 389: 150. 1928. 
Haplopappus uniflorus var. howellii M. E. Peck, Man. P1. Oregon 713. 
, from a fheene conte ‘sit at crown, decumbent to ascending-erect, 
most z. 
s pex, g, 6 i ; 
the cauline much reduced and sessile ; heads s olita ary, terminating dee is ong peduncles ; involucre 
hemispheric, 8-10 mm. high, the phyllaries 2-3-seriate, obscurely graduate, typically pee 
cken 
at least medianly from apex to base, = thi ed, the m ee pdt glabrous to tomentose 
ray-florets 18-32, the ligutes aes es ong eit nes sericeo 
Mountain meadows an en Se am Upper Sonoran cy Arid Transition Zones; southeastern 
Oregon, Modoc and Sows ow Sa eh Sue pe to northern Colorado, north to Saskatchewan. Type locality: 
Saskatchewan. June—Aug 
Haplopappus uni stone a ne Linedsia Keck, Ate 4: 103. 1958. Basal perce grass-like, 8-12 cm. long, 
1.5—3 or —4 mm. wide, entire; oth se similar. Marshy and, Upper Sonoran and A aa Transition wtag Pag ee 
County, Oregon, to Owyhee ‘Cais. dah. Type jocality: Med 3 Plats, Owyhee Coun May This is the 
wniforas that has commonly gone under the name of howellit, but the type of that name is edly; celia to role! 
qe uniflorus subsp. gossypinus (Greene) H. M. Hall, Carnegie Inst. Mk sh. Publ. Ata 389: 150. 
fee rong ey pres seg mes a: - Sai 3 Hablopappus gossypinus H. Hall, Univ. Calif. Pub. 
ear ~ ae tee — — mentose like the race sal leaves Li niepitas: me 
5 te rate na toate acemose or usually solitary; involucre 10-13 mm. 
high jg thin, tines, ‘ediminate jipuaries © rather — of unequal lengths Ong ene imbri eet sinrenkat 
rachnoid-pi Dry meadows, Arid ly nsition Zone; Bear Valley, San Bernardino Mountains, southern Cali- 
oc ioveltiy : Bear Valley Arid uly— Sept: 
es A 
9. Haplopappus apargioides A. Gray. Alpine Pyrrocoma. Fig. 5454. 
Hapl. opappus o apargioides A. ba iy Ae Proc. ees te 7: 354. 1868. 
several, seer ent ascending-erect, 0.5-1.5(-2.5) dm. high, from a thick taproot 
hat is es branched a’ oe e crown, glabrate or somewhat villous, sedge gs or scapiform 
Basal leaves tufted, li cv i rbot ak to oblanc eolate, acuminate, petiolate, 3-10 cm. long, 3- 0 
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a Pa ef cat hyaline eee Preeti i saul 13-34, the ligules 6-9 mm. long; 
achenes flattened, glabrous, striate, 3-7 mm. long; pappus sordid. 
Rocky slopes and meadows, Hudsonian and Arctic-Alpine Zones; eastern Sierra Nevada and White Mountains, 
California, and adjacent Ne Type locality: Soda Springs on the Tuolumne River, California. July—Sept. 
