162 COMPOSITE. Lessincjia. 



plicate up to the nerve. — Linnasa, iv. 203; Gray in Benth. PI. Hartw. 315, 

 Proc. Am. Acad. vii. 351, viii. 364, & Bot. Calif, i. 30G. — Flowering spring and 

 summer. 



# Flowers yellow, sometimes purplish in age; some of tlie marginal ones with conspicuously larger 

 and more or less irregular and radiatiform cninUa: bracts of the involmrc with lierbaceous tips: 

 akenes narrow, compi'essed, 2-3-iicrvcd : style-branches truncate-obtuse, bearing a brusli-iilie 

 tuft of bristles, in which a minute or obscure sctiforni tip is partly or wholly hidden : heads 

 about 3 lines high, terminating spreading slender branchlets. 



L. Germanorum, Chajf. 1. c. Low and diffusely spreading from the base, or procumbent, 

 arachnoid-lanate with appressed white tomeutum, gUiI irate with age; filiform flowering 

 brauQhes sparsely leafy or naked : lower leaves spatulate and usually pinnatifld or incised, 

 with long tapering entire base ; those of the branches becoming linear and entire, all nar- 

 rowed at base : involucre hemispherical; its liracts Avith loose and foliaceous tips or the outer 

 foliaceous, all glaudless. — Torr. iu Wilkes Exped. xvii. 326, t. 7 (style bad);. Gray iu PI. 

 Hartw. 1. c., & Bot. Calif. 307, only in part. — ^(.)peu dry ground, near San Francisco and in 

 adjacent parts of California; first coll. by Chaniisso. Corollas said by Chamisso to be 

 " croceous." 

 "■L. glandulifera, Gray. Diffusely much branched from an erect stem, more rigid, above 

 glabrous or early glabrate : leaves more commonly entire, sometimes spinulose-dentate ; 

 those of the brandies small and very numerous (3 to 1 lines long), or minute and almost 

 covering flowering branchlets, ovate-lanceolate or oblong, tliick and rigid, commonly beset 

 along the margins with yellowish tack-shaped glands : involucre campauulate to turbinate ; 

 its bracts more appressed, the outer successively shorter, and some or all of them glandulif- 

 erous. — Proc. Am. Acad. xvii. 207. L. Gmiuinurmn in part, & L. rmiiulosa, var. tenu'is. 

 Gray, Bot. Calif 1. c, in part. — Xv'iA grounds, from Jlonterey to San Diego, San Ber- 

 nardino, &c. ; common. The glands are like those of Cdhjcadenia on a smaller scale, some- 

 times copious and strongly marked, sometimes few and inconspicuous. 



* * Flowers purple or white; the corollas all alike and regular or nearly so: bracts of the involu- 

 cre with appressed or erect tips : akenes less or hardly at all compressed, 4-5-nerved. / 



-I— Stems .^lender and loosely branching, erect, a span to a foot or two high : white wool deciduous 

 in age: leaves oblong to lancc(jlate or tlio lower spatulate, entire or sparingly dentate, the small 

 upper with partly clasping or adnate base: involucral bracts mostly herbaceous-tipped. 



. L. ramulosa, Gray, 1. c. Somewhat granulose- or hirtellous-glandnlar on the girl irate 

 branches and upper leaves, occasionally with some minute tack-shaped glands : stem usually 

 stout at base; heads (3 or 4 lines long) terminating diffuse slender branchlets : involucre 

 campauulate or somewhat titrbinato, 10-20-flowered : corollas short (purple) : stvle-append- 

 ages with minute setiform tip. — On dry hills, not rare through the nortlnvcsteru part of 

 California to Bay of San Francisco; first coll. by Plchcrhifi and Brucl-enricli;e. 



Var. tenuis, Ghay. a .sleuder and ambiguous form, not thickened at base of stem, 

 low and diffuse, analogous to the depauperate states of the next species. —Bot. Calif, i. 307, 

 as to pi. of Rothrock in Wheeler Kep. vi. 364. — Southeastern California, at head of Peru 

 Creek, Hotlirui-lc. 



L. leptoolada, Gray. Glabrous after denudation of the fioccose wool: stem slender (the 

 taller forms 2 feet or more high, the most ilcpauperate onlv 3 or 4 inches), and with long 

 virgate or filiform branches bearing solitary or few beads : upper leaves commonlv ^x\t\i 

 sagittiform-adnate base: involucre turbinate, from 20-flowcred down (in depanpernte plants) 

 to 5-flowered ; its bracts in numerous ranks: corolla conspicuonslv ex.serted : stvle-append- 

 ages with a conspicuous subulate tip. — Proc. \m. .Vcad. vii. .■i.'>l,'& Bot. Calif. 'l. t. — Dry 

 ground, common through the western and central parts of Culifornia, in >erv diverse forms; 

 sometimes with numerous heads spic:itel) crowded along the summit of the brandies, and 

 too nearly approaching the next. 



L. Virgata, Gray. JItn-e densely woollv: stem and virnalc branches more rin-id ■ upper 

 leaves appressed, concave; carinately one-nerved: bc;ids spiraldv sessile, each in the axil of 

 a leaf of nearly the same length: involucre evlindrieal, woollv, r.-7-flowered ■ sivle-branchcs 

 with a consiiicnous sulmlate tip. — PI. Hartw. I.e.; Bot. Calif. 1. c — On the Sacramento, 

 probably m the northern part of the State, Pickerimj and Brarhnridgc, Xewhcrn/ 



