150 COMPOSITAE 
larger than the ety and with the heyy thickened and blackish below; fruit very variable, 
1-flowered, 1- oe ed, obovoid to fusifor. mm. long (the beak usually subulate or acicular 
and 2-3 mm. long), usually rugose, mc and sparsely >”: ihe or essentially sage the pd 
armed with 6-30 str ongly flatte ned, lan ccolate, 3 acerose-tipped, straight, i s 2-5 m 
long, rie —— on the same Te t reduced to min — incurved hooks 
Dry or ist, sandy soil, Arid Transition and “sari pe Ninna sota to prin Berg to Arizona, New 
Mexico, ae waarn Teng: ‘Washington s = to southern Cal not common in our ran ge . Type locality: 
“Banks of the Saskatchewan and Red ” Collected by Freeh vine 9 Pe Drummond. June—Dec 
2. Franseria confertiflora (DC.) Rydb. Weak-leaved Burweed. Fig. 5221. 
Ambrosia confertifora DC. Prod. 5: 526. 1836. 
Franseria tenuifolia Harv. & _ ex A. Gray, Mem, Amer. Acad. II. 4: 80. 1849. 
922. 
Franseria confertifiora Rydb. ag Sl Fl. 28. 
Franseria — ~— Ry jas loc. cit 
Franseria ine Rydb. op. cit. 30. 
Slender perennia al 0.2-1.5 m. high, tages simple pales the inflorescence, the stem strigose 
or strigillose and often spre eading- hispid or -hirsute. Leaves slender-petioled, the blades 1.5-12 
cm. long, ovate in outline, interruptedly ey ts tisinnalined ai ostly linear to lanceolate, acute 
divisions (those of the lower leaves often broader and ob , the te egments usually 
use tl rminal 
elonga ted, all green above, paler beneath, strigose or strigillose and often hirsute, rarely canescent ; 
staminate racemes slender, usually 8 cm. long or less and panicled at apex of stem, the Pistillate 
heads at their base and in often dense clusters in the upper axils; staminate heads 2-4 m . thick, 
about 10-20-flowered, the wide about 6-10-lobed, some of the obes often acute; fru “oboe oid, 
—4 mm. long, usually 1-flow , 1-beaked, with turbinate or stipitiform base and short. conic beak, 
glandular and sparsely pilosulose, the body deeply alaengy 4 Fig hag “unig 0-20 uncinate- 
tipped, usually incurved, flattish-based, aha spines 0.8 m r les 
Plains, valleys, and waste places; occurring as an raion weed i am phe cop cisco, errs and Maripos 
Counties, California, and more commonly i in ae California and a r California; Texas rd "Cidatena oath 
to Mexico. Type locality: Matamoros, Tamaulipas, Mexico. May—Nov 
3. Franseria nie Less. Beach-bur. Fig. 5222. 
Franseria chamissonis Less. Linnaea 6: 507. 
Franseria cuneifolia Nutt. Trans. Amer. Phil. Soe = bs ai 1840. 
Gaertnera chamissonis Kuntze, Rev. Gen. Pl. 1: 
Perennial herb, the stems numerous, up t aH 6 m. long, decumbent from a deep root, stout, 
mostly simple, pubes cent and often cinereo with pl Re appressed or sometimes spreading hairs. 
Leaf-blades ovate or oblong to cuneate or vate, cm. long, on petioles about as long, usually 
obtuse, cuneate at base, coarsely tichate covtate or obscurely lobed, thick, densely silky-strigose 
on both sides; staminate flowers in a dense Sy be raceme or spike, usually about 8 cm. long, 
i in t ppe i i 
d at s 
thick, about 25-50-flowered, the in wiivere shallowly about 9-toothed ; oa ovoid, 1-flowered, 
1-beaked, 7-9 mm. long, glandular and pilose, covered with about 20-30 stout, rigid, danke 
ina — s 2.5—4 mm. long, these flattened and grooved on the upper pe 5 often with deep 
axilla 
“th sands, Humid Transition and Upper Sonoran Zones; Vancouver Island, British Colum! to 
oer ater yg California, and on the Santa Rastare Islands, Ventura Cou unty. Type locality: C ay mia Mg ya 
Franseria chamissonis subsp. Melanatiieets Hoge ) beh paps & Stockw Madrofio 4: 120. 1937. (Fran- 
seria chamissoni Sg bipinnatisecta Less. Lin : 508. 1831; F. bipinn Sede Nutt. Trans. Amer. Phil. Soc. 
y- 7: 344. 1840; F. lessingit aren & Walp. yo Swale. Nova-Ac ta, Cag 8 Leop. or rol. 19: suppl. 268. 1843; 
F. bipinnatifida var. dubia Eas' Proc. — Acad. III. 1 F. bipinnatifida var. insularis Reiche, 
Fi. Chile 4: 80. 1905; F. villogs F Rastw. ex Rydb. N. Amer. Fl. M3: a 1922.) With the habit, pubescence, and 
the blades 3-7 cm. site often as wide, pinnatifid to bi- or tripinnatifid, the “principal ultimate divisions mostly 
ova : rm, 
steading, shen oF slightly curved spines 2-4 mm. athe usually the lower or sometimes all more or ish flat- 
ened and grooved on the upper surface at “east Bag atg t A ’ 
toukea. jowth to eae ata er California; t of Chile. Type locality: Santa Barbara 
Barbara County, California. May—Nov. Hubris with r  chamibboine subsp. chamissonis occur. 
4. Franseria dumésa A. Gray ex Torr. White Bur-sage. Fig. 5223. 
pe samen A. Gray ex Torr. in Frem. Second Rep. 316. 1845. 
is Torr 
. Smiths. Contr. . 16. 1854. 
Seessten dumosa Kuntze, Rev. Gen. Pl. 1: 339. 1891. 
Shrub 2-6 dm . high, hii herked cong Rcth area the branches spinescent, young growth 
ill 1 
densely can escent-stri rigillose. Leaves 3 ncluding the usually short but slender petiole, 
ong to ovate or del in outline, bi- to eriphinately ivided into usually few, small, mostly 
ovate or obovate, obtuse divisions, densely can t-strigillose; rac f anicles 
terminal, usually 5 c ng oO s, the staminate and pistillate flowers often in ixed ; - 
5 thick, abo: 30-flowered, the involucre bluntly 6-9-lobed about to middle; 
fruit ovoid or fusiform, mm. long, 2-flowered, 2- , glandular and sparsely pilose, the 
beaks slenderly conic or subulate from a thickened base, the bod covered with about 25-40 
orn te, rigid, flattened, acerose-tipped, straight spines 2.5-4 mm. long. 
and plains, Sonoran Zones; southeastern California (Colorado and Mojave Deserts) to southern 
southern, Arisoes., porieess hover California, and Sonora. Type locality: sandy uplands of the Mojave 
us 
