ETiophyllum. COMPOSIT-E. 329 



E. Pringlei, Gkat, 1. c. More loosely and copiously wooBt, depressed, inch or two high 

 flowering almost from the base: rays none: flowers' all fertile: akenes viUuus : pappus of 

 al.unt 10 mucli larger whoUy sihery-suari.ju, oblun-.lanccolate and pointless ero^e palea:.— 

 GraveUy plauis from tlie Jlohave Desert in b. E. California to Tucson, Arizona, Palmer, 

 Lemmon, Pringle, Parish. 



* * Headspedunculate, terminatingthebranches, 3or4 1ineshigh: receptacle convex or conical : 

 plants 3 to 5 mches liigh, erect and at length diffuse, ivith mostly entire leaves. 



^- Eays about . 5, inconspicuous: disk-flowers not numerous : anther-tips ovate-oblong, obtuse. 

 B. nubigenum, (;rkexe. Densely white-woolly: leaves lanceolate-spatulate (about half- 

 iuch long) : heads short-peduncled, narrow : iuvolucre of 5 oblong bracts : rav,. with oval 

 ligule, hardly exceeding the disk-flowei~, yellow : receptacle with conical centre : pappus of 

 about 10 oblong or narrow nerveless and obtuse er.i,M_. thinnish palea:, half the length of the 

 corolla, one third that of the akene. — Gray, Troc. Am. Acad. xi.x. 25. — On Cloud's Kest, 

 above the Yoseniite, at 9,000 feet, i[rs. Curran. 



■*~- -*— I^y* 5 to 9, exserted and ample, oval or oblong: disk-flowers more numerous: anther-tips 

 narrow and slender : receptacle high-convex or obtusely low-conical. 



^ E. "Wallacei, Gr.it. Thickly clothed with cottony wool: leaves obovate or spatnlate, occa- 

 sionally 2-3 toothed at apex : pappus of 6 to 10 short-oval or obovate obtuse and pointless 

 nerveless palete, of firm texture and opaque: style-tips somewhat subulate-conical: corollas 

 aU yellow. — Proc. Am. Acad. xix. 25. Bahia Wallace!, Gray, Pacif. R. Rep. iv. 105. 

 Ar.tinokpis VTallacd. Gray, Proc. Am. Acad. i.x. 19S. — Plains, from San Dieg'j Co., Cali- 

 fornia (first coll, by IF, A. Wallace), to adjacent Arizona and S. Utah. A var. with pale purple 

 and white rays [Bahia rubella. Gray, Bot. Jlex. Bound. 95), S. E. California, Parry. 

 E. lanosum, Gr.^t, 1. c. Jlore thinly and flocccjsely woolly : leaves spatulate-liuear, entire : 

 pappus of about 5 oblong and rather firm nerveless and obtuse paleie and as manv alternating 

 paleaceous awns of double the length : style-tips obtuse and sometimes with a minute cuspi- 

 date apiculation : rays white or ro>e-color. — Burrielia (Dichceta) lanosa. Gray, Pacif. R. Rep. 

 iv. 107. Actinolepis lanosa. Gray, Proc. Am. Acad. ix. 198. — Dry plains, 8. E. California to 

 Arizona and S. Utah; first coU. by Bigelow. 



% 2. TEiCHOPHi-LLrJi. Larger, erect : heads when clustered small, when 

 solitary eommonlv ratlier large : involucral bracts of firm texture : rays and disk- 

 flowers golden yellow ; tube of corolla commonly glandular or hair}' : anther-tips 

 ovate, mostly obtuse : akenes linear or cuneate-linear, glabrous or nearly so : 

 pappus of short opaque and firm nerveless and pointless paleae, sometimes very 

 small, rarely obsolete or wanting. — Griiy, Proc. Am. Acad. xix. 2-5. Tricho- 

 phylhun, Xutt. 1. c. Phialis, Spreng. 1. c, but involucre seldom gamophyllous. 



* Suffnaicii-e or suffrutescent, leafy to the top, branching: heads small, compactly corj-mbosely 

 cymose, short-peduncled : ligules roundish-oval, only a line or two Iuiilt : pappus of oblung-linear 

 paleiE much shorter than the akene: leaves mostly lobed or divided, and the margins revolute. 



E. Stsecliadif olium, L.4.G, 1. c. Canescent with dose-pressed pannose tomenttun, at length 

 partly denudate, 1 to -t feet high from a woody base : leaves once or t» ice piunately parted 

 into linear di\isions and rhachis, or the upper linear with a pair of lateral lubes, or some of 

 them entire, upper face soon glabrate and green : heads 3 or 4 line? high, numerous in 

 rather loose paniculate cltisters : involucre cylindraceous-campanulate ; its bracts S to 10, 

 linear-spatulate to narrowly oblong, thiimish : receptacle convex, alveolate-toothed: rays 

 6 to S : palefe of the pappus S to 12, the four over tlie angles of the akene rather longer. — 

 Pfeleniiim st'rrhorlifolium, S])reug. Syst, iii. 574. Bahia artcmisiafolia. Less, in Linn. vi. 253 ; 

 DC. Prodr. ^■. 657 ; Torr. i Grav, 1, c. B. stirchadifoUa, DC, 1. c, 656 (with wrong habitat, 

 the plant of Hoenke coming from ilonterey, California) ; Xutt. Trans. Am. I'hU, .Soe, 1. c. 

 (with var. Californica). Lasasea's nri^'inal appears to have been a branch of the form with 

 uppermost leaves entire. — Coast of California, from Sau Francisco to Saiira Barbara. 

 "E. confertiflorum, Gkat, 1. e. Similarly white-wooUv, a foot or two high, with slender 

 and more strict stents naked at summit : leaves small, of mostly cuneate outline, pinnately 

 or somewhat ternately once or twice 3-7-parted into narrow linear divisions : heads 2 lines 



