376 COMPOSITAE 
_A genus of 11 or 12 species, except for one species which extends into Arizona, limited to California. Type 
species, Lessingia germanorum Cham. 
Plants depressed or dwarfs; tips of inner phyllaries white and cartilaginous. 5. L. nana. 
Plants not depressed or Seaita: tips of inner ys fog herbaceous or scario: 
All corollas yellow (heads wit —_ orollas purplish or white in L. Ruauless involucres campanulate or, 
if turbinate, broad in relatio aden gth. 
Style- sean aa subulate, “Het ing a long cusp, nearly or quite as long as the stigmatic portion; plants 
of Mojave Desert (occurring A in S Means Pinos and Cuyama Valley regions). 
z 
Style- apreear less than half the length of the stigmatic porti t (longer in 
oi) forms of L. glandulifera); plants not of desert ene ppabcng Lt iden var. tomen- 
to 
s few, — to os ers San Brancisco Count ty. 1. L. germanorum. 
Pee the glands if f ned ; widely distribut 
Phyllaries 18a Sd dake, Geoke 4- Svinte: slender spring-flowering enudie 
2. L. tenuis 
Phyllaries closely imbricate, about 6-seriate; often stout summer-flowering ann nile 
Sk. old ulifer. 
Corollas pink, lavendar, or sometimes winte. never yellow; involucres turbinate to cylindro- bis tO long 
ulosa). 
T 
* relation to Lb he a sti: in L. ramulosa var. ram 
axils , rarely glomerate on axillary arn 
t ore rarely glomerate. 
Basal leaves relatively few and withering at or hitare anthesis; oe a relatively slender at base; 
Phyllaries woolly. tomentose (see | also L. micradenia senchontins) punctate pignds only pres- 
nt, lar stipitat . L. leptoclada. 
Phollaies not adie tomentene fexcept . Zz. percents eee | punctate and larger stalked 
ands present, either sparse or abundan 
oe glands abundant, evident; wides a species 7. L. nemaclada. 
Punctate glands very few and inconspicuous; scvpentiie areas in Marin, San Mateo, and 
Santa Clara Counties. 8. L. micradenia. 
Basal evita many and tending to persist through anthesis; stems thickened at base; punctate glands 
ng. 
Sine cauline leaves with tack-shaped glands; outer corollas only slightly enlarged and not 
palmately spreading. 
Heads 6-10 mm. broad; pappus-bristles many, nearly free 10. L. ramulo. 
Heads 3-5 mm. road pappus of few bristle-tipped awns or or completely paleaceous, Ag 
10, MW PD 
Upper coe — lacking tack-shaped glands; outer corollas much Sail and Gadeadicty 
eadin 11. L. hololeuca 
1. Lessingia germanoérum Cham. San Francisco Lessingia. Fig. 5644. 
Lessingia germanorum Cham. Linnaea 4: 203. 1829, 
1-3 dm. high, rather slender, —— branched from the base, procumbent, rarely 
erect, = herbage and — ae = sel ish-tomentose, glandless, glabrescent, and dark- 
d in g, obla anc Cede acute or obtuse, tapering to a petioliform 
base ; pice Meas saciter: jet pnt d or pinnatisect, the uppermost subentire, bracteate ; 
h 38-flowered, solitary on the pede divergent branchlets ; bnokic 5-7 m m. high, 
campanulate, the phyllaries about 6-seriate, loosely imbricate with recurved tips, gat tl bove, 
> 
rous ; corollas deep lemon-yellow with a brownish or purplish band at t the t hroat, the outer 
nda sty anches ae eg wae with or without a short 
> papp bri stles about 30, equal, essentially free to the bas 
Coas' wp ae Humid Transition Zone; San Francisco County, the type seni Aug.—Nov. 
2. eee ténuis (A. Gray) Coville. Spring Lessingia. Fig. 5645. 
ar. tenuis A. Gray, Bot. Calif. % me 1876 
Lessingia tenuis Coville, Contr. U.S. Nat. Herb. 4: 1893 
pa 
Lessingia heterochroma H. M. Hall, Univ. Calif. Pub. Bot. 3: 67. 1904. 
Lessingia tenuis var. jaredit Jepson, Man. FI. Pl. Calif. 1041. 1925. 
Lessingia germanorum var. tenuis J. T. Howell, Univ. Calif. “Pub. Bot. 16: 16. 1929. 
Annual, 3-15 cm. high, diffusely branched from the base, the stems and the very slender often 
reddish divergent branches — loosely ‘a below when young, olde er pla nts glabrous. 
1 leaves ulate, narrowed to a petiole, not persisiting, entire or shallowly 
eeply fant regularly innately parted, tomentose on both faces; stem-leaves 0.3-1.5 cm. 
long, s sessile, oblanceo late to obovate, entire (some of the plants of the t Ham Ran 
with irr nee -leaves), mostly persistently tomentose on both sides but sometimes 
e, also glandular; heads solitary lender branchlets, these nak ith few d 
stem-leaves, 1 ow gat 4- anu loosely 4-seriate, the phyllaries 
m 
ored, suffus purple; appendages of the style-branches 
ut a cusp; appus-brstles eo mostly free to the base, claret ¢ o 5-8 
awns in forms described a 
Dry slopes, open or in chaparral, Unper ‘ moran ma Inner Coast Ranges, Santa Clara and Stanislaus 
Counties, ue to the Mount Pinos’ regi Ventura County. Type locality: Piru Creek, Ventura County. 
April-July. 
