284 COMPOSITAE 
30. Haplopappus yen (H.B.K.) Blake subsp. vernonioides (Nutt.) H. M. 
all. Coastal Isocoma. Fig. 5475. 
it Hook. & A a Ragone? 351. 1838. 
isan vernoniotdes Nutt. Trans. hes il. Soc. II. 7: 320. 1840. 
sie are appus menziesit Torr. & Gray, FL. . Amer. 2: 242. 1842. 
. Gray, Proc. Amer. Acad. 8: 638. Vas 
Tevemme veneta var. vernonioides Jepson, Fl. W. Mid. Calif. . 1901. 
aad ocoma pclae nie ia G eaflets Bot. Obs. 1: 171. 
ene, loc. mai 
Isocoma villosa Greene, op. cit. 172 
Haplopappus venetus maniees We cuoninides 11. M. Hall, Carnegie Inst. Wash. Publ. No. 389: 224, 1928. 
Shrub 4-12 dm. high with erect, ascending or decumbent s from a branched suffrutescent 
base, usually simple is He the inflorescence, somewhat ier Soa nearly Ter heone to pilose 
or tomentose, very leafy. Leaves aeae _ oblanceolate or spatulate-oblong, I 2-8 
m. wide, spinulose- derate throughout or only near apex, sometimes even lobed or essentially 
entire, usually with axillary fascicles; niin discoid, turbinate, 15 fl Pe 
seominet usually compact cymes; involucre 5-7 mm. high, strongly graduate, t phyllaries 
ong, obtuse or acute, firm, pale, with short, usually granulous-greenish, appressed cate achenes 
oie pappus brownish. 
Coastal valleys, in sandy, often subsaline places, Upper Sonoran Zone; San Francisco to San Diego, Cali- 
fornia, and islands. Type locality: marshes near the sea, Santa Barbara. Rost —Dec 
Exe god variable in habit, pubescence, shape and cut of leaves, FP “involucre, Rh H. venetus grows 
in cen eieal Mexico; all other forms of the species ae in California and L r California. The more noteworthy 
Haplopa venetus subsp. oxyphyllus (Greene) H. M. Hall, Peseta Inst. Wash. Publ. No. 389: 225. 
1928. (lsocoma oxyphylla Greene, Leaflets Bot. Obs. 1: 171. 1906; Haplopappus venetus var. oxyphy — Munz, 
Man. S. Calif. 523. 1935.) Robu “ eek 1~2 m. high, loosely villous to glabrate; leave oblanceolate to narrowly 
spatulate, acute or acuminate, ent 3-5 c m. long; hse openly paniculate. els Be bo bh ag pre Boog ties in 
outhern =e Diego County and ai J (ca Hidenia. Type locality: Jamul Valley b of San pn 
Haplopappus venetus subsp. furfuraceus (Greene) po - Hall, Carnegie “ae Wash. wo ik 389: 226. 
ei » (Bigelovia B bad elke Greene, Bull. Calif. a p Es 883i Isocoma decumbens epaerse Leaflets Bot. 
2: vencta var. decumbens Jep Man. rH Calif. 1029. 1925; Haplopappus plage i var. 
einbeus. cet Man 3) Calif. B22, 19353 H. Sa ueiat Var. he rfuraceus Munz, op. cit. 523.) Stems slender, 
decumbent or curved, 3-5 aa One; leyye. crowded, narrow, small, few- ley 1s or entire, with eaiinent fascicles 
in the axils, mostly glabro metim: oolly; heads loos: ely c cymose, not in large glomerules. Dry sandy vt 
southern San Diego Couts: California, i praed California, and the poe lle panda. Type locality: not kno 
aplopappus venetus var. sedoides (Greene) unz, Man. S: Calif. - 1935. (Bigelovia veneta var. 
sedoides Greene, Bull. Calif. ame 2: 400. 1887; Isocoma sedoides Greene, Leaflets Bot. Obs. 1:172. 1906; 
I. latifolia Greene, loc. cit.; J. eta var. sedoides Jepson, Man. FI. Pl. Calif, $029. 1925.) Prostrate, almost 
glabrous, stout; leaves poe pie fe erate: de sspmai heads large, glomerate. Santa Cruz and Santa Rosa 
Islands, Calif Type locality: Santa Cru 
Haplopappus venetus var. argutus eke} e905 Aliso 4: 103. 1958. (Jsocoma arguta Greene, Man. Ba 
“aS aa 1894; I. veneta var. arguta Jepson, FI. W. Mid. Calif. 500. 4701. ) Low bush with erect stems 
4 dm. high; ‘leaves pinnately cleft into acute lobes or only saliently but pungently denate. North and south _ 
Carquines Straits, Solano and Contra Costa Counties, California. Type focally: subsaline plains east of the Vac 
ounta 
31. Haplopappus acradénius (Greene) Blake. Desert Isocoma. Fig. 5476. 
Bigelovia acradenia Greene, Bull. Torrey Club 10: 126. 1883. 
Aster seen Kuntze, Rev. Gen. Pl. 1: pe _ 
Tsocoma acradenia Greene, aothogaet 241%. 
te eae 5 iaiciesesee acraden aH. M. Hall, on ‘Calif. P ub. Bot. 3: 64. 1907. 
Blake, Contr. U.S. Nat. Herb. 25: 546. 1925. 
{Binion to H. venetus, low shrub with numerous erect, more woody, aes as barked, 
striate, glabrous stems 3-10 dm. high. pag linear- spatulate to oblong, 1~4 cm. long, 1-5 mm. 
wide, thick, entire, mostly mucronate and glabrous, minutely impressed-punctate, riety in teen 2 
fascicles; heads in smaller cymes, i sessile, 6-13-flowered; involucre 5-6.5 m igh; 
oe mi pie wcnalaais = subepi dermal resin- eee near ie rounded or Bere tip, the 
ry narrow argin fimbrillate, 
amathitiacen or ails is -ower Sonoran Zone; southwestern Mojave Desert (common in Antelope easier) 
and Mojave Desert Avs N to — Valley, California; rare in southern Nevada and western Arizona. Type lo 
ity: ve 
Haplopappus acradenius subsp. ereméphilus (Greene) H. M. Hall, Carnegie Inst. Wash. Pu = = 389: 
233. 1928." CFrocoma eremophila. reene, — Bot.) Obs, 1 171;: 3906; + pee tiaenacingd aevadeni ar. ere- 
~ ophilus Munz, Cahf.. 523. vs Leaves denticulate to dentate or even saliently ve efi some 
ntire, 2-5 cm. Fi any as a mm, wide, scabrid-hirtellous: heads 15—25-flowered; involucre 6-8 mm. high. 
Sortie owienar Mojave Desert and a ee the Colorado Desert, California, extendin g slightly into Arizona 
and Lower California. Type locality: southwestern part of the Colsenio Desert 
Haplopappus acradenius subsp. Shaler Bana 20 (Greene) H. M. Hall, Carnesic Inst. Wash. Publ. No. 389: 233. 
928. vibe bracteosa Greene eager Bot. Obs. 1: 170. rane Haplopappus acradeninus var. bracteosis 
McMinn, Ill. Man. Calif. are "574. 939.) Leaves mostly denticulate, the lowermost 2-3 cm. long but the 
great majority only 6-10(-15) lon gtr or reflexed; heads A aa eenwenegs involucre 6-9 mm. high. 
Both s f the San Joaquin Viney, California. Type locality: Tulare Cou 
oe: epmantaacaae: canus (A. Gray) Blake. Island Hazardia. Fig. 5477. 
Diplostephium can A. Gray, Proc. Amer. Acad. 11: 75. 1876. 
Corethrogyne de ik Greene, Ahi Torrey Club 10: 41. 1883. 
Cor ethrog. ogyn g cane Gp eene, Bull. Calif. pais 22s. 
a ie onia 1; 29. 
Hazardia detonsa Gredae: ‘ae cit. 
