304 COMPOSITiE. Blepharipaiypus. 



perhaps indigenous to New Mexico and Arizona, an introduced weed about gardens in the 

 Northern States In indigenous plants of the Southern border (var. Caracasana, & var. 

 semicaha, Gray, PI. Wright, ii. 98) papjjus of the ray much reduced or wanting. (Mex., 

 S. Amer.) 



121. BLEPHARIPAPPUS, Hook. (BXc<^apts, the eyelash, TraTTTros, 

 seed-dovvu, from the fnnged paleaj of the pappus.) — A smgle but variable species. 

 (Transition to the Madiece.) 



B. SCaber, Hook. Annual, a span to a foot high, loosely branched, puberulent and sca- 

 brous, and with some hispid hairs, above more or less glandular : leaves alternate, narrowly 

 linear, with revolute or involute margins when dry, entire : heads short-peduncled, terminat- 

 ing the paniculate branchlets, 3 to 5 lines high : both rays and disk-flowers white : anthers 

 brownish-purple. —Fl. i. 316; Torr. & Gray, Fl. ii. 391 ; Gray, Bot Calif, i. 358. Pti/onella 

 scabra, Nutt Trans. Am. Phil. Soc. 1. c. 386. — Dry plains and mountains, interior of 

 Oregon, Idaho, &c., to Nevada and the Sierra Nevada, California. 



Vaj;:. SUbcalvus, Gray, Bot. Calif. 1. c. Pappus both of ray and disk obsolete or 

 reduced to liyaliue vestiges, — Eastern borders of California, Lemmon, Matthews, &c. 



Var. leevis, Gray, 1. c. Slender, with filiform branches, almost smooth: heads few- 

 flowered. — California, Bridges. Taken for Hemizonia in Gen. PI. ii. 305. 



122. MADIA, Molina. Tarweed. (J/ac?/, the Chilian name of the com. 

 moD species.)^ — Glandular and viscid herbs, mostly heavy-scented ; with leaves 

 entire or merely toothed, some or all of them alternate ; heads axillary and 

 terminal ; the yellow flowers vespertine or matutinal, closing in sunshine : in 

 summer. — Molma, Chil. ; Cav. Ic. iii. 50, t. 29S ; Don in Bot. Reg. ; Benth. & 

 Hook. Gen. ii. 31)3. Madaria (DC.), Madariopsis., Madorella, Ainida, Anisocar- 

 pus, & Uarpcecarjjus, Nutt. Trans. Am. Phil. Soc. 1. c. 



§ 1. MadXria. Ligules exserted and conspicuous: disk-ilowers sterile or 

 partly fertile : disk-corollas pubescent, except in the first species : herbage hir- 

 sute, the upper part minutely glandular. — Gray, Proc. Am. Acad. ix. 188, & 

 Bot. Calif, i. 358. 



* Annual, low andslender, wiili mostly alternate leaves and small heads: pappus both to ray and 

 disk-llowers ! 



M. Yoseiriitana, Parry. A span or more high: leaves linear, entire: heads slender- 

 petluuculatP, 2 lines liigh : ray -flowers 5 to 10, with ligules aline or two long: disk-flowers 

 3 to 10, sterile . corollas nearly glabrous : bracts of the involucre with short and narrow tips ; 

 of the receptacle -4 to 8, more or less connate by their margins : ray-akenes semi-obovate or 

 slightly lunate, bearing an evident pappus in the form of a ciliolate crown : pappus of the 

 disk-flowers of about 5 spar.sely barbellate awns, nearly ecpialling the corolla. — Gray, Proc. 

 Am. Acad. xvii. 219 — California; near Fresno, Eisen : at the foot of the upper Yosemite 

 Fall, Purri/ (few-flowered form) ; near Auburn, Marcus E. Jones, a larger form, with 8 to 10 

 rays and about as many disk-flowers. 



* * Perennial, taller, with larger heads and some or most of the leaves opposite, occasionally 

 dentate; a manifest pappus to the disk-flowers, of plumose-lacerate or linibriate palea?. — Aniso- 

 carpus, Nutt. Trans. Am. Phil. Soc. vii. 388. 



M. Nuttalli, Gray. Stem slender, a foot or two high : leaves linear-lanceolate : heads 

 sparsely paniculate, 4 lines high, usually slender-peduucled : involucral bracts 8 to 12, with 

 short inconspicuous tips : exserted ligules 3 to 5 lines long : only ray-akenes fertile ; these 

 obovate-falcate, nuxch compi-essed, with sides many-striate and nearly nerveless : pappus of 

 sterile disk-flowers of small oldong paleaj. — Proc. Am. Acad. 1. c. viii. 391, ix. 188, & Bot. 

 Calif, i. 358. Anisocarpits madioides, Nutfr. 1. c. ; Torr. & Gray, Fl. ii. 403. — Woods, from 

 Monterey, California, to Brit, Columbia; first coll. by Nuttall. 



M. Bolanderi, Gray, 1, c. Stem 2 to 4 feet high : leaves linear (the longer 7 to 10 inches 

 long, 4 lines wide) : lieads half to three-fourths inch high : involucral bracts and rays 12 



